H-13L Free Communication/Poster Exercise Training and Health
Lack of physical activity (PA) is a major public health problem. Individually based programs applying the stage of change construct are considered a promising strategy to enhance PA levels.
To study the effectiveness on PA of an individual counseling program using the stage of change construct at the worksite.
A randomized controlled trial was conducted among civil servants. After baseline measurements, cluster randomization was used to assign the subjects to an intervention group (n = 131) or a reference group (n = 168). During 9 months, the intervention group received maximally 7 counseling visits. Counseling was based on each individual's stage of behavioral change, and was primarily focused on promoting the worker's PA. Both the intervention and reference group received written information concerning several lifestyle factors. PA was determined in three ways: 1) the moderate intensity PA Public Health recommendation, 2) the sport index and leisure time index (Baecke questionnaire), and 3) a structured interview (7-day PAR) assessing energy expenditure (EE). Measurements took place at baseline and 9 months after baseline. The intervention was statistically examined using analyses of covariance.
The intervention group significantly increased in EE (64.2 (490.9) kcal.day−1), whereas the sport index remained stable (−0.01 (0.53)). The reference group showed a significant decrease for both EE (−129.2 (630.4) kcal.day−1) and sport index (−0.14 (0.54). Differences between the two groups were statistically significant for EE and the sport index. However, no significant effects were observed for the proportion of workers meeting the moderate intensity PA Public Health recommendation and the leisure time index.
The program appeared to be effective on vigorous intensity PA, but not on moderate intensity PA.