| Countries | Psychological Distress N (%) | Sex | p-Value | |
| Male N (%) | Female N (%) | |||
| Tanzania | Normal | 332 (56) | 261 (44) | 0.072 |
| Mild | 105 (59.3) | 72 (40.7) | ||
| Moderate | 59 (59) | 41 (41) | ||
| Severe | 59 (45.4) | 71 (54.6) | ||
| China | Normal | 380 (40.6) | 556 (59.4) | 0.000 |
| Mild | 304 (44.1) | 386 (55.9) | ||
| Moderate | 210 (51.9) | 195 (48.1) | ||
| Severe | 649 (55.9) | 513 (44.1) | ||