Table 2.
Mean differences of psychological distress according to three socioeconomic position indicators
| Men | Women | |
|---|---|---|
| Psychological distress, MD (95% IC)a | ||
| Education degree | ||
| University | REF | REF |
| College | 0.00 (−0.42; 0.43) | 0.01 (−0.44; 0.47) |
| High school degree | 0.21 (−0.18; 0.61) | 0.27 (−0.17; 0.71) |
| Less than high school degree | 0.56 (0.06; 1.05)* | 0.32 (−0.33; 0.97) |
| P interaction for genderb = 0.991 | ||
| Occupation | ||
| Senior and middle managers | REF | REF |
| Professionals | −0.14 (−0.78; 0.51) | 1.15 (0.27; 2.02)* |
| Semi-professionals and technicians | 0.32 (−0.44; 1.07) | 0.46 (−0.68; 1.60) |
| Overseers and first level managers | 0.08 (−0.58; 0.74) | 1.01 (0.27; 2.02)* |
| Office workers | 0.32 (−0.47; 1.11) | 0.69 (−0.15; 1.54) |
| Qualified workers | 0.11 (−0.54; 0.75) | 0.48 (−0.15; 1.48) |
| Unskilled workers and maneuvers | 0.47 (−0.13; 1.07) | 1.08 (0.22; 1.93)* |
| P interaction for genderb = 0.1968 | ||
| Household income (quartiles) ($/year) | ||
| ≥100 000 | REF | REF |
| 60 000–99 999 | 0.32 (−0.10; 0.74) | 0.23 (−0.27; 0.72) |
| 40 000–59 999 | 0.62 (0.16; 1.07)** | 0.51 (−0.03; 1.05) |
| 0–39 999 | 1.26 (0.79; 1.73)*** | 0.43 (−0.09; 0.95) |
| P interaction for genderb = 0.106 | ||
*p-value <0.05, **p-value <0.01, ***p-value <0.001
aAdjusted for age
b P for multiplicative interaction term added in the models