| Variables | Minor/no depression (PHQ-9)(0-4) |
Mild depression (PHQ-9= 5-9) | Moderate depression (PHQ-9 = 10-14) |
Moderate-severe depression (PHQ-9 = 15-19) |
Severe depression (PHQ-9 = 20-27) |
p-value |
| good sleep quality | 132(60.8%) | 23(28.8%) | 12(15.6%) | 1(5.3%) | 0(0.0%) | 0.0001 |
| Poor sleep quality | 85(39.2%) | 57(71.3%) | 65(84.4%) | 18(94.7%) | 5(100.0%) | |
| Poor social support | 58(26.7%) | 41(51.3%) | 30(39.0%) | 8(42.1%) | 5(100.0%) | 0.0001 |
| moderate social support | 52(24.0%) | 20(25.0%) | 11(14.3%) | 6(31.6%) | 0(0.0%) | |
| strong social support | 107(49.3%) | 19(23.8%) | 36(46.8%) | 5(26.3%) | 0(0.0%) | |
| Illiterate | 31(14.3%) | 20(25.0%) | 22(28.6%) | 3(15.8%) | 0(0.0%) | 0.004 |
| Elementary | 75(34.6%) | 32(40.0%) | 27(35.1%) | 8(42.1%) | 4(80.0%) | |
| High school | 48(22.1%) | 20(25.0%) | 20(26.0%) | 4(21.1%) | 1(20.0%) | |
| Diploma and above | 63(29.0%) | 8(10.0%) | 8(10.4%) | 4(21.1%) | 0(0.0%) |