| Amount of alcohol intake (g/day)a | P for trendb | |||
---|---|---|---|---|---|
 | Non-drinking | ≤11.5 | 11.5-35.8 | >35.8 |  |
 | (n = 149) | (n = 250) | (n = 249) | (n = 251) |  |
Age (years)c | 45.0 (38.0–55.0) | 42.0 (36.0–53.0) | 47.0 (38.0–56.0) | 50.0 (42.0–57.0) | < 0.001 |
Education (%) | Â | Â | Â | Â | Â |
  ≥12 years | 35.6 | 56.8 | 49.0 | 44.6 | 0.717 |
Occupation (%) | Â | Â | Â | Â | Â |
  Non office work | 11.4 | 25.6 | 21.3 | 20.3 | 0.270 |
Smoking status (%) | Â | Â | Â | Â | Â |
  Never smoker | 39.6 | 41.6 | 36.1 | 26.7 | 0.001 |
  Ex smoker | 9.4 | 16.0 | 12.4 | 11.6 | 0.899 |
  Current smoker | 51.0 | 42.4 | 51.4 | 61.8 | 0.001 |
BMI (kg/m2)c | 23.8 (21.6–26.1) | 23.7 (21.9–25.9) | 23.3 (21.5–25.5) | 23.1 (21.1–25.3) | 0.009 |
Physical activity (%) | Â | Â | Â | Â | Â |
  ≥10 min/day | 71.1 | 83.6 | 76.7 | 80.9 | 0.209 |
Depressive symptoms (%) | Â | Â | Â | Â | Â |
  SDS ≥45 | 36.9 | 27.2 | 29.7 | 33.5 | 0.937 |
Sleep duration (%) | Â | Â | Â | Â | Â |
  <7 hour | 53.7 | 52.8 | 47.8 | 42.2 | 0.009 |
  7-8 hour | 32.2 | 33.2 | 39.4 | 40.2 | 0.042 |
  ≥8 hour | 14.1 | 14.0 | 12.9 | 17.5 | 0.343 |
Metabolic syndrome (%) | Â | Â | Â | Â | Â |
  Yes | 30.9 | 28.0 | 32.9 | 28.7 | 0.956 |
Calorie intake (%) | Â | Â | Â | Â | Â |
  1st (≤1519.0kcal) | 31.5 | 33.6 | 26.1 | 11.6 | < 0.001 |
  2nd (1519.0-1877.0kcal) | 26.8 | 28.8 | 23.3 | 21.9 | 0.098 |
  3rd (1877.0-2296.9kcal) | 22.8 | 20.8 | 26.9 | 28.3 | 0.068 |
  4th (>2296.9kcal) | 18.8 | 16.8 | 23.7 | 38.2 | < 0.001 |
Vitamin C intake (%) | Â | Â | Â | Â | Â |
  1st (≤56.0mg/d) | 24.2 | 26.8 | 22.5 | 25.9 | 1.000 |
  2nd (56.0-82.0mg/d) | 24.2 | 24.8 | 24.9 | 25.9 | 0.697 |
  3rd (82.0-121.5mg/d) | 31.5 | 22.4 | 25.3 | 23.5 | 0.224 |
  4th (>121.5mg/d) | 20.1 | 26.0 | 27.3 | 24.7 | 0.408 |
Zinc intake (%) | Â | Â | Â | Â | Â |
  1st (≤5.8mg/d) | 24.8 | 25.2 | 25.3 | 24.3 | 0.884 |
  2nd (5.8-7.3mg/d) | 22.8 | 28.0 | 23.7 | 24.3 | 0.826 |
  3rd (7.3-9.2mg/d) | 24.2 | 24.8 | 26.5 | 24.7 | 0.846 |
  4th (>9.2mg/d) | 28.2 | 22.0 | 24.5 | 26.7 | 0.865 |