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Title: Impact of an education intervention using email for the prevention of weight gain among adult workers
Authors: Jaime, Patricia Constante
Bandoni, Daniel Henrique [UNIFESP]
Sarno, Flavio
Universidade de São Paulo (USP)
Universidade Federal de São Paulo (UNIFESP)
Keywords: Weight gain
Behaviour interventions
Dietary behaviour
Weight loss
Physical activity
Issue Date: 1-Jul-2014
Publisher: Cambridge Univ Press
Citation: Public Health Nutrition. Cambridge: Cambridge Univ Press, v. 17, n. 7, p. 1620-1627, 2014.
Abstract: Objective: To evaluate the impact of a worksite intervention to prevent weight gain among adult workers.Design: A controlled community trial was performed by dividing the workers into two groups: intervention group (IG) and control group (CG). the theoretical framework applied was Intervention Mapping Protocol and the intervention was implemented through interactive software for weight self-monitoring. To evaluate the impact of the intervention, the differences in weight, BMI and waist circumference between the IG and CG were assessed before and 6 months after the intervention by regression models. Additionally, the sustainability of the intervention was evaluated at 12 months after the intervention.Settings: São Paulo, Brazil.Subjects: Four companies; 281 workers for the analysis of effectiveness and 427 for the analysis of sustainability.Results: the intervention resulted in significant reductions in weight, BMI and waist circumference in the IG compared with the CG. the impact of the intervention on IG individuals' body weight was -0.73 kg, while the weight of CG individuals increased. IG individuals with adequate initial weights did not show significant variations, while those who were overweight demonstrated a significant reduction in body weight. the intervention resulted in a reduction of 0.26 kg/m(2) in BMI and 0.99 cm in waist circumference, and the sustainability analysis after 12 months showed a continued reduction in body weight (-0.72 kg).Conclusions: the behavioural intervention was effective, resulting in weight maintenance among participants with adequate initial weight and in significant reductions among those who were overweight. More research on longer-term weight maintenance is needed.
ISSN: 1368-9800
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