作者: Sara L. Tamers , Beti Thompson , Allen D. Cheadle , Yingye Zheng , Sonia K. Bishop
DOI: 10.4278/AJHP.130709-ARB-352
关键词: Physical activity 、 Generalized estimating equation 、 Multiple time 、 Medicine 、 Cohort study 、 Social support 、 Gerontology 、 Cohort 、 Multilevel data 、 Body mass index
摘要: Abstract Purpose. To examine the association between worksite social support and changes in diet, physical activity, body mass index (BMI). Design. Cohort analysis of an underlying randomized, controlled weight gain prevention trial: Promoting Activity Changes Eating. Setting. The trial occurred greater Seattle area. Subjects. Baseline follow-up data were obtained on a nested cohort employees (n = 958–1078) from 33 small- to medium-sized worksites. Measures. Worksite support, BMI measures assessed using self-reported questionnaire. Analysis. adjust for multilevel multiple time points, we used generalized estimating equations logistic mixed models. Results. Higher baseline was associated with fruit vegetable intake (p .001; summary food-frequency questions). Conclusion. This study does not conclusive relationship health b...