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Cancer Nursing:
doi: 10.1097/NCC.0000000000000159
Articles

A Tailored Web-Based Psychoeducational Intervention for Cancer Patients and Their Family Caregivers

Northouse, Laurel PhD, RN, FAAN; Schafenacker, Ann MSN, RN; Barr, Kathryn L. C. MPH; Katapodi, Maria PhD, RN, FAAN; Yoon, Hyojin MSN, RN; Brittain, Kelly PhD, RN; Song, Lixin PhD, RN; Ronis, David L. PhD; An, Larry MD

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Author Information

Author Affiliations: School of Nursing (Drs Northouse, Katapodi, and Ronis and Ms Yoon), Center for Health Communication Research (Dr An and Ms Barr), and Hospitals and Health Center (Ms Schafenacker), University of Michigan, Ann Arbor; College of Nursing (Dr Brittain), Michigan State University, Lansing; and School of Nursing (Dr Song), University of North Carolina–Chapel Hill.

The study was funded by a grant from the National Cancer Institute R21CA138725 to Dr Northouse (principal investigator). Dr Song’s work is sponsored by the Clinical and Translational Sciences Award, University of North Carolina–Chapel Hill (KL2TR001109).

The authors have no conflicts of interest to disclose.

Correspondence: Laurel Northouse, PhD, RN, FAAN, School of Nursing, University of Michigan, 400 N Ingalls, Ann Arbor, MI 48109 ( inortho@umich.edu).

Accepted for publication March 22, 2014.

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Abstract

Background:

Most programs addressing psychosocial concerns of cancer survivors are in-person programs that are expensive to deliver, have limited availability, and seldom deal with caregivers’ concerns.

Objective:

This study examined the feasibility of translating an efficacious nurse-delivered program (FOCUS Program) for patients and their caregivers to a tailored, dyadic Web-based format. Specific aims were to (1) test the preliminary effects of the Web-based intervention on patient and caregiver outcomes, (2) examine participants’ program satisfaction, and (3) determine the feasibility of using a Web-based delivery format.

Methods:

A phase 2 feasibility study was conducted with cancer patients (lung, breast, colorectal, prostate) and their family caregivers (N = 38 dyads). The Web-based intervention provided information and support tailored to the unique characteristics of each patient, caregiver, and their dyadic relationship. Primary outcomes were emotional distress and quality of life. Secondary outcomes were benefits of illness/caregiving, communication, support, and self-efficacy. Analyses included descriptive statistics and repeated-measures analysis of variance.

Results:

Dyads had a significant decrease in emotional distress, increase in quality of life, and perceived more benefits of illness/caregiving. Caregivers also had significant improvement in self-efficacy. There were no changes in communication. Participants were satisfied with program usability, but recommended additional content.

Conclusions:

It was possible to translate a clinician-delivered program to a Web-based format that was easy to use and had positive effects on dyadic outcomes.

Implications for Practice:

The Web-based program is a promising way to provide psychosocial care to more patients and caregivers using fewer personnel. It needs further testing in a larger randomized clinical trial.

There are more than 13 million cancer survivors in the United States whose needs for psychosocial care are not being met.1,2 Although some evidence-based programs address their emotional concerns and quality of life (QOL), most programs are expensive to deliver, are not broadly available, and seldom target the shared concerns of both patients and their family caregivers. As use of the Internet increases across broad segments of the US population, it has become a viable and cost-effective approach for delivering programs to large numbers of cancer patients and their family caregivers.3,4

The Internet has been used to deliver interventions to cancer patients alone,5–10 but it has seldom been used to deliver interventions to patients and their family caregivers as the unit of care.11,12 Family caregivers often report as much emotional distress as do patients but receive little support from others.13 Because cancer patients’ and their family caregivers’ responses to illness are significantly related,14,15 intervening with them as a dyad (ie, pair) helps both of them to manage cancer-related stress, improve their communication and support, and maintain their QOL.16–18 There is a critical need for more dyadic intervention research with cancer patients and their family caregivers that uses the Internet to provide them both with education and support.

Cancer patients who participated in previous Web-based interventions reported better outcomes than did control subjects such as higher health status,6 support,5 sexual function,12 and QOL,5,10 as well as lower fatigue,7,10 insomnia,7 global symptom distress,8 anxiety,10 and depression.9 Caregivers in the few Web-based studies that have been conducted with them reported an increase in sexual function/satisfaction12 and less caregiver burden and negative mood.19 These studies have laid important groundwork, but more Web-based interventions are needed that target patient-caregiver dyads, use tailored messages to increase the relevance of intervention content to participants,4 and assess participants’ satisfaction with the Web-based intervention.

The purpose of this study was to examine the feasibility of translating an efficacious nurse-delivered, psychoeducational program for cancer patients and their caregivers to a tailored, Web-based delivery format. The original in-person program (ie, FOCUS Program) was tested in 3 prior randomized clinical trials (RCTs).20–22 Although the program had positive outcomes for both patients and their family caregivers, home-based, in-person programs are more expensive to deliver and reach fewer people than are Web-based programs. To make the FOCUS Program available to more people, we translated the central module of the program (ie, Family Involvement Module) into a tailored, Web-based delivery format (see Zulman et al23 for details on the translation process) and tested the effect of the new Web-based program on outcomes for patients and their caregivers.

The specific aims for this phase 2, preintervention and postintervention feasibility study were as follows: (1) to examine the preliminary effects of a tailored Web-based program on primary outcomes (emotional distress, QOL) and secondary outcomes (benefits of illness/caregiving, communication, social support, self-efficacy) for patients and caregivers as dyads from preintervention to postintervention, (2) to evaluate patients’ and caregivers’ satisfaction with the Web-based program, and (3) to determine the feasibility of using a Web-based format to deliver the original nurse-delivered FOCUS Program based on enrollment and retention rates and preliminary estimates of effect size.

Stress-coping theory24 guided the study and selection of the variables measured (Figure 1). We hypothesized that the tailored, Web-based intervention would (1) decrease patients’ and caregivers’ (ie, dyads’) emotional distress and increase their QOL (primary outcomes), and (2) improve their positive appraisals (ie, increase perceived benefits of illness/caregiving) and coping resources (ie, communication, support, and self-efficacy) (secondary outcomes).

Figure 1
Figure 1
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Methods

Participants

When we tested the effects of our original nurse-delivered, face-to-face FOCUS Program, we found that it was efficacious for patients and caregivers managing 1 of the 4 major types of cancer (lung, colorectal, breast, prostate) and also for patients with newly diagnosed and advanced disease.20–22 Based on those findings, we chose a sample for this feasibility study that was composed of patients with the same types and stages of cancer as in our prior efficacy trials.

Patient eligibility included age 18 years or older; diagnosed with lung, colorectal, breast, or prostate cancer; and with either early (stage I or II) or advanced (stage III or IV) cancer. Patients with early-stage disease had to be diagnosed within 2 to 12 months prior to enrollment, and patients with advanced stage disease had to be diagnosed with metastatic cancer or with further progression of their cancer within 2 to 12 months prior to enrollment. We established these narrow windows of eligibility to obtain dyads who were dealing with a change in the patient’s health status (ie, new diagnosis or disease progression) and who were likely to benefit from the Web-based psychoeducational intervention. Other patient criteria included having 1 family caregiver who was willing to participate in all phases of the study and having access to the Internet.

“Family caregiver” was the family member or significant other identified by the patient as his/her primary source of emotional and/or physical support during the current cancer experience. The caregiver had to be aged 18 years or older and willing to complete the Web-based program with the patient. Family caregivers who were diagnosed with cancer in the previous year or receiving active treatment for cancer were excluded.

Power analysis was conducted to determine sample size for this feasibility study based on Cohen’s definitions of effect sizes,25 and we used computations by PASS software.26 The power analysis for repeated-measures analysis of variance (time 1 vs time 2) with a medium effect size based on our prior studies21 and an α of .05, 2-tailed, indicated that a sample of 38 dyads would provide 85% power for aim 1.

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Procedures

A preintervention and postintervention feasibility study was conducted to examine the feasibility of using a Web-based format to deliver the FOCUS Program.27 Eligible patient-caregiver dyads were informed about the study by clinic staff at 3 cancer centers in the Midwest. Research staff contacted dyads who indicated an interest in the study. Those willing to participate signed a consent form approved by the institutional review board at their cancer center. After obtaining their signed consents, each patient and caregiver was e-mailed a unique username and a temporary password prior to starting the study. They also received a link to time 1 (baseline) Web-based questionnaires. After patients and caregivers completed their questionnaires separately, they received an e-mail asking them to start the Web-based program together. After each session, a tailored e-mail was sent that summarized and reinforced key content. Two weeks after finishing all 3 sessions, participants received an e-mail asking them to complete time 2 postintervention questionnaires separately. Figure 2 illustrates the procedures for each week of the study. All participants received the intervention, and there was no control group.

Figure 2
Figure 2
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Tailored Web-Based Intervention

The Web-based program was designed to create opportunities for patients and caregivers to obtain information and interact with one another as previous dyads experienced in the original face-to-face FOCUS Program delivered by nurses. The original FOCUS Program contained 5 modules that spelled the acronym FOCUS: family involvement, optimistic outlook, coping effectiveness, uncertainty reduction, and symptom management. For this feasibility study, we translated only the Family Involvement Module to the Web-based format because it was considered to be the central module of the dyadic program that facilitated patients’ and caregivers’ communication, support, and ability to manage the demands associated with the illness.

The Web-based program consisted of 3 sessions that were offered over a 6-week period, with each session 2 weeks apart to enable patient-caregiver dyads to learn information in a sequential manner and to have practice time between sessions. Information presented in each Web-based session is shown in Figure 2. Dyads logged on to the program and completed sessions together, sitting side-by-side at the computer, as instructed during enrollment. To keep program delivery costs at a minimum, we developed a self-managed program, rather than clinician-guided program. However, the program had a “Help” button that dyads could use at any time for help with any technical, personal, or dyad problems they encountered while completing the program. The “Help” button generated an e-mail message, which was sent to the project director (clinician). Dyads were also given the project director’s phone number and could call as needed.

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DEVELOPING TAILORED MESSAGES

Our program used tailored messages to deliver program content. Tailoring enhances the efficacy of an intervention by providing participants with information that is personally relevant to them.28 Tailoring involves (1) assessing participants at baseline using measures of key study variables and (b) then constructing algorithms that use this assessment data to generate tailored messages that are geared to a specific person’s or dyad’s needs (eg, need for more dyadic support).28 Based on the information, patients and caregivers provided at baseline, and during the Web-based sessions, they received tailored individual and dyadic messages according to their own demographic and medical characteristics (ie, age, gender, race, type of dyad, type of cancer) to help personalize the intervention for them. They also received tailored messages according to their baseline scores on selected measures (ie, benefits of illness/caregiving, communication, support, and self-efficacy) to enhance the relevance of the intervention message. For example, if a dyad scored low on dyadic support at baseline, they received tailored feedback during the intervention that suggested ways to increase their support to one another. Conversely, if they scored high on dyadic support at baseline, they received tailored messages that affirmed and encouraged them to continue the supportive nature of their relationship. Tailored messages in our program were written at an eighth-grade reading level, using principles of plain language (ie, easy to read and understand).

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SELECTING TAILORING VARIABLES

The tailoring variables used for the study were measured with theoretically grounded, validated measures of selected variables specified in our theoretical framework. Cut points on these measures, which determined if the person or dyad scored high or low on the particular instrument prior to intervention, were based on cut points reported in the literature and on analysis of these variables in our prior RCTs.

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IMPLEMENTING TAILORING STRATEGIES

Three tailoring strategies29 were used to develop the Web program: (1) personalization, (2) tailored feedback, and (3) content matching (Table 1). The program also provided participants with tailored links to other Web sites (eg, National Alliance for Caregiving, Cancer Support Community) that addressed dyads’ specific concerns (eg, finances, managing symptoms). Finally, dyads were offered a choice of tailored activities to complete between Web sessions that were designed to promote dyadic interactions (eg, plan night out together).

Table 1
Table 1
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Instruments

Validated instruments were used to assess major study variables. Internal consistency reliability α’s were assessed before and after the intervention for patients and caregivers.

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Primary Outcomes

Emotional distress was measured with the 30-item Profile of Mood States (short form), a self-report adjective rating scale that assesses 6 moods (tension-anxiety, depression-dejection, anger-hostility, fatigue-inertia, confusion-bewilderment, and vigor-activity).30 This instrument has been used widely to assess affective states as an outcome of psychosocial interventions. The reliability estimates of the instrument using coefficient α ranged from .69 to .92 in this study. Higher total mood scores (with vigor reversed) indicate higher mood disturbance or emotional distress. Quality of life was measured with the Functional Assessment of Cancer Therapy (FACT-G version 4), a 27-item cancer-specific instrument that assesses QOL and 4 domains: emotional, social, functional, and physical well-being.31 Caregivers reported on their own QOL, using a slightly modified version of the FACT-G.13 The FACT-G, which has been used frequently in studies with cancer patients, has established validity31 and demonstrated high internal consistency in our prior studies with cancer patients and their family caregivers.21,22 The α coefficient for the total QOL score was .90 in this study, and α coefficients for the subscales ranged from .71 to .83. Higher scores indicated better QOL.

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Secondary Outcomes

Appraisal was measured with an 11-item, modified Benefits of Illness Scale32 that assessed benefits arising from the illness or caregiving experience (eg, “Having cancer has brought my family closer together”). The original scale was developed by Tomich and Helgeson,32 who examined the psychometric properties of the scale and reported it was a unidimensional scale with high internal consistency. The α coefficient in this study was .92. Higher scores indicated more perceived benefits of illness/caregiving.

Coping resources were measured with 3 instruments, with higher scores indicating more available resources. Communication was measured with the 23-item version of the Lewis Mutuality and Interpersonal Sensitivity Scale33 that assessed patients’ and caregivers’ degree of open communication and ability to share feelings about the illness (eg, “We are comfortable sharing feelings about the cancer with each other”). The original scale developed by Lewis has established validity and demonstrated high internal consistency in our prior studies with patients and caregivers.21,22 The α reliability of the scale in this study was .93. Social support was measured with a 9-item, brief version of the Social Support Scale that assessed patients’ and caregivers’ perceived support from one another34 (eg, “My family supports me as I try to cope with the illness”). Evidence of concurrent validity and high internal consistency was reported with the original, longer version of the scale.34 The α reliability was .87 in the present study. Self-efficacy was assessed with the 17-item version Lewis Cancer Self-efficacy Scale that assessed patients’ and caregivers’ confidence about managing the illness33 (eg, “I am confident that I can use information and resources to cope with the demands of cancer”). Evidence of content and criterion validity of the original scale was reported by Lewis.33 The modified version of the scale demonstrated high internal consistency reliability in our prior studies.21,22 The α reliability coefficient in this study was .95.

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Process Evaluation and Other Measures

Evaluation of participants’ satisfaction with the Web-based program was based on the Technology Acceptance Model.35–37 At time 2 follow-up, we assessed 3 characteristics of the Web intervention: (1) perceived usefulness (eg, “I found the program useful”), (2) perceived ease of use and usability (eg, “program ran smoothly”),38 and (3) satisfaction with overall experience. Subscale scores ranged from 1 (low) to 7 (high). Subscale reliability α’s ranged from .81 to .96. Participants also were asked if there was any additional content they would add to the program.

Demographic characteristics (eg, age, education, income, gender, race, dyadic relationship) and medical characteristics (eg, type and stage of cancer) were also assessed at baseline (time 1). Participants’ comfort and skill using computers and the Internet were also assessed (time 1) with a 4-item, researcher-designed questionnaire (eg, “I feel very comfortable using the Internet”). Higher scores indicated more comfort and/or skill using computers and/or the Internet (internal consistency reliability = .96).

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Data Analyses

For aim 1, repeated-measures analysis of variance was used to assess changes on study variables from time 1 to 2, with time and role (patient and caregiver) as within-subject variables to control for the correlated nature of the data. We examined main effects of time (which assesses the overall effectiveness of the intervention for dyads) and also time-by-role interactions (which assess differential effectiveness of the intervention between patients and caregivers). For aim 2, descriptive statistics were used to describe and compare patients’ and caregivers’ ratings of their satisfaction with the Web-based intervention. For aim 3, descriptive statistics were used to examine enrollment and retention rates, and effect size estimates (d) were calculated for patients and caregivers.

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Results

Sample Description

Figure 3 provides a consort diagram that illustrates the flow of participants into the study. Over a period of 8 months, 115 patients and their caregivers were referred to the study from 3 cancer centers; 29 of these dyads were ineligible primarily because of no Internet access or no family caregiver. From the remaining 86 eligible dyads, 44 dyads consented and completed baseline questionnaires (enrollment rate 51%). Of the patients who refused, significantly more had lung cancer versus other types of cancer and were referred from an urban center versus a nonurban center.

Figure 3
Figure 3
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Of the 44 dyads enrolled, 38 dyads completed all 3 intervention sessions and time 2 assessment (retention = 86%). Loss of participants was due to patient death (n = 2), patient too ill (n = 2), or dyads withdrawing from study (n = 2). Table 2 provides the demographic and medical characteristics of the final sample (N = 38 dyads) and indicates that more than half of the patients (52.6%) had advanced cancer. Table 2 also indicates that most participants felt moderately comfortable and skilled using computers and the Internet. At baseline, patients reported significantly lower physical QOL (P < .001) than did caregivers. In contrast, caregivers reported significantly less self-efficacy and support and more anger than did patients (P’s < .05). No differences were found between demographic variables (ie, age, education, gender, comfort or skill using Internet/computers) or medical variables (type and stage of cancer) and participants’ scores on primary and secondary outcomes. However, because of the small sample, there may have been insufficient power to detect differences if they existed.

Table 2
Table 2
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Study Outcomes

Analyses indicated several main effects of time (Table 3). Dyads had significant decreases in their overall (total) emotional distress (P < .05), anger-hostility (P < .01), and fatigue-inertia (P < .05) from preintervention to postintervention. They also reported significant improvements in their overall (total) QOL (P < .05), physical QOL (P < .05), functional QOL (P < .01), and perceived benefits of illness/caregiving (P < .01) from preintervention to postintervention.

Table 3
Table 3
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There were 3 significant time-by-role interactions. Patients had significantly greater improvement in their physical QOL (P < .05) and their perceived benefits of illness over time than did caregivers (P < .05). However, caregivers had greater improvement in their self-efficacy over time than did patients (P < .05). Intervention effect size estimates using d are indicated in Table 3. There were no significant main effects of time or interaction effects for communication or support.

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Satisfaction With the Intervention

Potential range of scores on the satisfaction scale was 1 (low) to 7 (high). Dyads’ mean scores on the 3 subscales were as follows: perceived ease of use and usability (mean, 6.0 [SD, 1.1]), usefulness (mean, 4.4 [SD, 1.4]), and general satisfaction (mean, 4.8 [SD, 1.7]). There were no significant differences between patients’ and caregivers’ satisfaction ratings. Although dyads had a “Help” button to click if they encountered difficulties with the program, very few used it. The few dyads who used the “Help” button needed assistance with passwords for logging on to the Web program. Study participants reported no adverse effects completing this Web-based program together.

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Feasibility of Web-Based Intervention Delivery

We examined the enrollment and retention rates as well as preliminary effect sizes as indicators of the feasibility of using a Web-based delivery format. The enrollment rate for the Web-based program (51%) was lower than the enrollment rates (68%–80%) obtained in the original 5-module, nurse-delivered program in 3 prior RCTs.20–22 However, the retention rate for the Web-based program was higher (86%) than the original nurse-delivered program (62%–83%).20–22

We calculated 1-sample effect sizes for patients and caregivers to get preliminary estimates of change from preintervention and postintervention for those exposed to the Web-based intervention. Effect sizes for patients ranged in size from large for benefits of illness (d = 0.77), to medium for fatigue-inertia, emotional distress, physical QOL, and functional QOL (ranges d = 0.32–0.43), and small effects for total QOL and emotional distress (ranges d = 0.18–0.23). Effect sizes for caregivers included medium effect sizes for self-efficacy and social support (ranges d = 0.33–0.40) and small effects for total emotional distress, anxiety-tension distress, depression-dejection distress, anger-hostility distress, fatigue-inertia distress, total QOL, and emotional and functional QOL (ranges d = 0.18–0.30).

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Discussion

This study examined the feasibility of translating an efficacious in-person program (FOCUS Program) for cancer patients and their family caregivers to a tailored, Web-based delivery format. An essential component of the translation process was the collaboration between 2 experienced teams, one with prior experience implementing the original nurse-delivered program and the other with extensive experience developing tailored Web-based interventions. The 2 teams worked together to develop a dyadic Internet platform, similar to the dyadic approach used in the face-to-face program, and to construct tailored messages based on original program content.

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Outcomes for Patients and Caregivers

Using a preintervention-postintervention feasibility design, we found that dyads completing the Web-based program reported a significant decrease in emotional distress and increase in QOL (primary outcomes) similar to findings in our prior RCTs for caregivers.21,22 Participants also perceived more benefits of illness and caregiving (secondary outcome) from preintervention to postintervention. The Web-based program prompted patients and caregivers to share concerns and offered them tailored feedback about ways they could address these concerns. This interactive process was designed to help them to share worries and clarify misunderstandings, which may have lowered their distress and improved their QOL. The program also prompted them to discuss possible benefits of illness/caregiving, as individuals and dyads, which could have increased their awareness of benefits from preintervention to postintervention.

In addition, we also found 3 intervention effects that were different for patients and caregivers. Patients, in contrast to caregivers, reported a significant increase in their physical QOL over time. This improvement may have been due to the intervention, but could also be due to gradual improvement in patients’ physical well-being over time (eg, maturation). Patients also reported greater improvement in their perceived benefits of illness than did caregivers, similar to findings by Mellon and colleagues.39 Caregivers, in contrast to patients, reported significant improvement in their self-efficacy from preintervention to postintervention consistent with findings in our 2 prior RCTs.21,22 Studies with caregivers indicate that they often lack confidence and information necessary to provide high quality care in the home and are particularly unsure of how to address patients’ emotional concerns.40 The dialogue prompted by the interactive Web-based program may have given caregivers a better understanding of patients’ needs. In addition, the tailored information and Web site referrals that caregivers received may have enhanced caregivers’ knowledge and confidence about more effective ways to help patients.

It is important to note that because this was a feasibility study without a control group, it is possible that some of these positive findings could have occurred by chance or maturation. Nevertheless, the findings were in the expected direction and consistent with findings (eg, better QOL, greater caregiver self-efficacy), obtained using the same variables and instruments as in prior RCTs with the nurse-delivered FOCUS Program.21,22

One unexpected finding was the lack of significant change in patients’ or caregivers’ dyadic communication. We expected that the interactive nature of the program would enhance their support and communication with one another, but that was not the case. However, dyads’ scores on the support and communication scales were generally positive prior to the intervention and higher than baseline scores we obtained on these scales in a prior RCT21 and may have had little room for improvement. In our prior nurse-delivered RCT with prostate cancer patients and their spouses, we found significant improvement in communication for dyads in the FOCUS intervention versus control condition. It is possible that communication is a greater problem for couples facing prostate cancer as suggested in the literature21 or that a nurse facilitator may need to be added to the Web-based program to help foster patient-caregiver dyadic communication.

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Program Satisfaction

This study also examined patients’ and caregivers’ satisfaction with the dyadic Web-based delivery format. Dyads reported high satisfaction with the program’s ease of use and usability, which is an important finding, given that few dyadic, tailored, Web-based platforms have been developed or tested in prior intervention research with cancer patients and their caregivers.18 We collaborated with expert designers of Web interventions and did usability testing on the prototype version,23 which likely increased the usability of the program tested in this study. In addition, our study participants were generally well-educated and moderately skilled using computers/Internet (Table 2). These sample characteristics may have contributed to positive usability ratings.

Participants’ ratings of the program’s usefulness (4.4) and their general program satisfaction (4.8) were higher than midpoint (3.5) on the 7-point scale, but not as high as their usability ratings. These lower scores may be due to the fact that we translated only 1 module (Family Involvement Module) of the original 5-module FOCUS Program for this feasibility program, making this Web program much narrower in scope. Some participants reported that they would have liked more information about symptom management and coping, both modules in the original program. It is possible that if we had translated some content from all 5 modules from the original program participants’ usefulness and satisfaction ratings would have been higher. In addition, we chose to use a generally self-managed Web program to decrease future implementation costs rather than a clinician-managed Web program that included active nurse involvement. However, greater contact with a nurse may have improved their satisfaction scores. Future research needs to compare participants’ satisfaction with fully versus partially self-managed Web-based programs.

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Feasibility of Using a Web-Based Delivery Format for Intervention Delivery

We examined recruitment and retention rates and effect sizes obtained in the Web versus nurse-delivered programs. We found that it was more difficult to recruit patient-caregiver dyads to the Web-based program (enrollment 51%) than to our prior nurse-delivered programs (68%–80%)20,21 However, the retention rate for the Web program (86%) was higher than retention rates for our 5-module, nurse-delivered program across 3 RCTs (62%–83%), suggesting that once participants enrolled in the Web program, they were likely to complete it. Participants reported that they liked being able to complete the Web program in their own home at a time that was convenient for them, which may have enhanced retention.

The effect sizes obtained with the Web-based program were generally small to medium for both patients and caregivers. These effects are similar to effect sizes reported in a recent meta-analysis of other psychoeducational interventions for cancer patients and their family caregivers,18 including our prior nurse-delivered FOCUS Program.21,22 However, the effect sizes obtained with this Web-based program are preliminary and need to be viewed with caution because of the small sample size.

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Limitations

There were a few limitations to the study. Without a control group, factors other than the intervention could have influenced study results. Study enrollment was lower than we anticipated, limiting the generalizability of study findings. However, this is not unique to our study, because other investigators also have reported problems recruiting participants to Web-based interventions.8,11 Furthermore, trying to recruit patient-caregiver dyads to research studies is more difficult than recruiting patients only, because both members of the dyad have to be willing and able to participate in the study.

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Conclusions

Despite these limitations, our findings suggest that is it feasible to translate content from an efficacious nurse-delivered intervention to a Web-based format and have positive intervention effects. The generally positive effects could be due to a number of factors. First, the basic content of the Web program was derived from an established nurse-delivered program for patients and caregivers. Second, the program used tailored rather than nontailored messages, which according to considerable research increases the relevance of intervention messages for participants.28 Third, the program was offered to dyads as the unit of care, rather to individual patients or caregivers. Because patients’ and caregivers’ emotional responses to cancer are interdependent,14,15 treating them together may have created a positive, synergistic effect, enhancing the intervention effects.

Even though our program is promising, it needs further testing in a large, multisite RCT. Future research needs to examine the cost-benefit ratio of incorporating clinicians into the delivery of Web-based programs. There also need to be ways to make Web-based programs available to others with limited access to high-speed Internet services. Nevertheless, Web-based programs are a promising new way to offer psychoeducational interventions to patients and their caregivers in the future.

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ACKNOWLEDGMENTS

The authors acknowledge valuable consultations with Darlene Mood, PhD, from Wayne State University, and Edward Saunders, MS, from the Center for Health Communication Research at the University of Michigan.

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Keywords:

Cancer survivors; Family caregivers; Internet intervention; Outcome research; Quality of life

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