Table 1.
Clinical Features, Anthropometric Variables, and Laboratory Findings of the Participants According to Job Schedule
| Variables | Day workers | Shift workers | P level |
|---|---|---|---|
| Number of subjects | 437 | 246 | |
| Age (years) | 35.0±0.4 | 37.0±0.6 | 0.001 |
| Smoking habit (cigarettes/day) | 4.0±0.3 | 4.0±0.4 | 0.62 |
| Physical activity (h/week) | 2.2±0.2 | 1.1±0.15 | 0.0002 |
| Drinking habit (g/day) | 28.0±3.1 | 36.0±4.9 | 0.22 |
| BMI (Kg/m2) | 26.4±0.2 | 27.2±0.5 | 0.06 |
| Waist-hip ratio | 0.93±0.01 | 0.96±0.01 | 0.001 |
| SABP (mmHg) | 122.0±0.6 | 123.0±0.9 | 0.3 |
| DABP (mmHg) | 77.0±0.5 | 79.0±0.6 | 0.006 |
| Fasting glucose (mmol/L) | 5.00±0.03 | 5.10±0.03 | 0.018 |
| Fasting Insulin (pmol/L) | 48.8±2.1 | 57.4±3.5 | 0.011 |
| HOMA | 1.58±0.07 | 1.88±0.11 | 0.008 |
| Total Cholesterol (mmol/L) | 5.0±0.04 | 5.1±0.06 | 0.54 |
| HDL-Cholesterol (mmol/L) | 1.3±0.02 | 1.3±0.02 | 0.11 |
| LDL-Cholesterol (mmol/L) | 3.2±0.04 | 3.1±0.05 | 0.09 |
| Triglycerides (mmol/L) | 1.5±0.05 | 1.7±0.07 | 0.011 |
BMI: body mass index. SABP and DABP: systolic and diastolic arterial blood pressure. HOMA: homeostatic model assessment.
Results are expressed as mean±SE. P stands for statistical significance using Mann-Whitney test and remained significant after multiple testing adjustment by the Benjamini & Hochberg's32 false discovery rate method.