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Assessment of Physical Activity in 9- to 10-Year-Old Children Participating in a Family-Centered Intervention

Sorenson, Alyssa R. MS, RD, LN; Kattelmann, Kendra K. PhD, RD; Meendering, Jessica R. PhD, ATC, HFS; Kabala, Celine M. BS; Mathews, Douglas R. MS, RD; Olfert, Melissa D. DrPH, MS, RD, LD; Colby, Sarah E. PhD, RD; Franzen-Castle, Lisa PhD, RD; White, Adrienne A. PhD, RD

doi: 10.1097/TIN.0000000000000032
Nutrition Assessment Practices

Physical activity (PA) was assessed via accelerometers in 48 children who participated in a pilot obesity prevention intervention. Differences between pre- and postmean minutes of sedentary time and PA including light (LPA), moderate (MPA), vigorous (VPA), and moderate-to-vigorous (MVPA) were compared by paired t test (P ≤ 0.05). No significant differences were found (respective mean minutes ± standard deviation; P value): sedentary time (522 ± 46, 525 ± 49; P = 0.69), LPA (263 ± 32, 254 ± 37; P = 0.17), MPA (37 ± 12, 38 ± 12; P = 0.41), VPA (18 ± 11, 23 ± 14; P = 0.17), and MVPA (55 ± 19, 61 ± 23; P = 0.15). These findings prompted PA curriculum revisions, although PA did not significantly increase, 37% at preintervention and 47% at postintervention met PA guidelines.

South Dakota State University, Brookings (Ms Sorenson, Dr Kattelmann, Dr Meendering, and Ms Kabala); University of Maine, Orono (Mr Mathews and Dr White); West Virginia University, Morgantown (Dr Olfert); University of Tennessee, Knoxville (Dr Colby); and University of Nebraska–Lincoln, Lincoln (Dr Franzen-Castle).

Correspondence: Kendra K. Kattelmann, PhD, RD, South Dakota State University, Box 2203, Brookings, SD 57007 (

Conflicts of Interest and Source of Funding: This research was supported by the United States Department of Agriculture-Agriculture and Food Research Initiative [2012-68001-19605] and respective state Agricultural Experiment Stations. The authors have disclosed that they have no significant relationships with, or financial interest in, any commercial companies pertaining to this article.

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