Table 2.
Study & Country | Sampling Frame | Method | Sample Size (n) | Criteria Used | Prevalence of Overweight/Obesity |
---|---|---|---|---|---|
Zhao et al. [149] (Australia) | Nurses and midwives | Cross-sectional study | 1235 | WHO | 32.9% overweight; 27.4% obesity |
Canuto et al. [150] (Brazil) | Shift workers in poultry-processing plant | Cross-sectional study | 580 | WHO | 11.2% obesity |
Kubo et al. [151] (Japan) | Shift workers manufacturing industry-based corporation | Retrospective cohort study | 920 | Obesity (BMI ≥ 25.0 kg/m2) | 21.1% obesity |
Whitfield et al. [152] (United States) | Long-haul truck drivers | Cross-sectional study | 92 | WHO | 86% overweight; 66% obesity |
Guo et al. [153] (China) | Shift workers in motor corporation | Cross-sectional study with retrospective assessment | 9088 | Obesity (BMI ≥ 28.0 kg/m2) | 13.5% obesity |
Note: WHO, World Health Organization with BMI (body mass index) cut-offs for underweight (BMI < 18.5 kg/m2), normal (BMI 18.5 to 24.9 kg/m2), overweight (BMI 25.0 to 29.9 kg/m2), and obesity (BMI ≥ 30.0 kg/m2).