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. 2018 Dec;41(6):376-384.
doi: 10.1016/j.bj.2018.09.002. Epub 2019 Jan 18.

Lifestyle characteristics as moderators of the effectiveness of weight control interventions among semiconductor workers

Tzu-Yu Lin  1 , Pei-Ju Liao  2 , Ming-Kuo Ting  3 , Kuang-Hung Hsu  4
Affiliations

Lifestyle characteristics as moderators of the effectiveness of weight control interventions among semiconductor workers

Tzu-Yu Lin et al. Biomed J. 2018 Dec.

Abstract

Background: Workers in high technology industry are experiencing stressful environment and have been ranked as a high risk group for adverse health effects. The effectiveness of worksite health promotion is important for occupational health. This study is to investigate the effect of health interventions on body measurement changes while examining the role of their lifestyle factors.

Methods: A total of 904 participants aged over 30 years were recruited from 14 semiconductor worksites in Taiwan from 2011 to 2015. A multi-settings, quasi-experimental study was conducted that assigned participants into two intervention programs, including exercise program and diet-plus-exercise program. The outcomes include the changes of body weight, waist circumference, body mass index (BMI), and biophysiological indicators. Lifestyle variables include alcohol consumption, cigarette smoking, and regular exercise. Multiple linear regression analyses were performed to test the association.

Results: The findings have demonstrated that one kilogram body weight reduction is associated with a decrease of 0.58 mmHg SBP (p < 0.001), 0.29 mmHg DBP (p < 0.001), 3.33 mg/dL triglyceride (p < 0.001), 0.96 mg/dL total cholesterol (p < 0.001), and 0.68 mg/dL LDL (p < 0.001). The diet-plus-exercise group had more significant effect on both weight changes and biophysiological changes than exercise-only group (p < 0.001). Lifestyle factors, including cigarette smoking, alcohol consumption, and regular exercise, were significant moderators of the effectiveness of health interventions.

Conclusions: Both exercise and diet interventions are important to the effectiveness of health promotion in occupational sectors. Lifestyle modifications are vital for weight control programs in improving body shape changes and biophysiological indicators.

Keywords: Biophysiological indicators; Health promotion; Lifestyle; Semiconductor industry; Weight control.

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