| Yogurt group (n = 479) | Control group (n = 482) | p value |
---|---|---|---|
Age (years) | 39.3 (11.5) | 39.4 (11.4) | 0.91* |
BMI (kg/m2) | 22.0 (3.5) | 21.8 (3.5) | 0.42* |
Occupation | Â | Â | 0.62** |
Nurse | 310 (64.7%) | 312 (64.7%) | Â |
Care worker | 43 (9.0%) | 33 (6.9%) | Â |
Physical therapist/occupational therapist | 36 (7.5%) | 40 (8.3%) | Â |
Others | 90 (18.8%) | 97 (20.1%) | Â |
Irregular shift workers | 220 (46.0%) | 228 (47.3%) | 0.67** |
Living by herself | 118 (24.6%) | 120 (24.9%) | 0.93** |
Current smokers | 47 (9.8%) | 43 (8.9%) | 0.64** |