Table 1 Baseline characteristics of 758 participants with MDD
|  | Total N = 758 | Poor PWB N = 464 | Good PWB N = 294 | Pa |
|---|---|---|---|---|
Gender, n (%) | Â | Â | Â | 0.816 |
 Male | 228(30.1) | 141(30.4) | 87(29.6) |  |
 Female | 530(69.9) | 323(69.6) | 207(70.4) |  |
Age, median (IQR) | 27.0(9.0) | 26.0(8.0) | 27.0(8.8) | 0.014 |
Education level, n (%) | Â | Â | Â | 0.515 |
 Junior high school or below | 36(4.7) | 19(4.1) | 17(5.8) |  |
 Senior high school | 83(10.9) | 53(11.4) | 30(10.2) |  |
 College or above | 639(84.3) | 392(84.5) | 247(84.0) |  |
Marital status, n (%) | Â | Â | Â | 0.005 |
 Unmarried | 505(70.1) | 328(73.9) | 177(64.1) |  |
 Married | 215(29.9) | 116(26.1) | 99(35.9) |  |
 Missing data | 38(5.0) | 20(4.3) | 18(6.1) |  |
Household income, n (%) | Â | Â | Â | 0.226 |
  < 10 000 yuan/month | 266(37.4) | 171(39.7) | 95(33.8) |  |
 10 000–49 999 yuan/month | 387(54.4) | 228(52.9) | 159(56.6) |  |
  ≥ 50 000 yuan/month | 59(8.3) | 32(7.4) | 27(9.6) |  |
 Missing data | 46(6.1) | 33(7.1) | 13(4.4) |  |
Current cigarette smoking, n (%) | 179(24.0) | 120(26.3) | 59(20.3) | 0.063 |
 Missing data | 12(1.6) | 8(1.7) | 4(1.4) |  |
Current alcohol drinking, n (%) | 370(49.2) | 235(51.1) | 135(46.2) | 0.194 |
 Missing data | 6(0.8) | 4(0.9) | 2(0.7) |  |
Exercise habit per week (at least 1 time and ≥ 30 min), n (%) | 190(25.2) | 105(22.8) | 85(28.9) | 0.058 |
 Missing data | 3(0.4) | 3(0.6) | 0(0) |  |
Sleep quality, n (%) | Â | Â | Â | 0.164 |
 Good | 71(9.5) | 38(8.3) | 33(11.3) |  |
 Average | 223(29.7) | 130(28.4) | 93(31.7) |  |
 Poor | 291(38.7) | 191(41.7) | 100(34.1) |  |
 Very poor | 166(22.1) | 99(21.6) | 67(22.9) |  |
 Missing data | 7(0.9) | 6(1.3) | 1(0.3) |  |
CTQ-SF baseline, median (IQR) | 46.0(18.0) | 48.0(17.5) | 44.0(19.0) |  < 0.001 |
 Missing data | 34(4.5) | 21(4.5) | 13(4.4) |  |
Chronic diseases history, n (%) | 68(9.2) | 41(9.1) | 27(9.3) | 0.915 |
 Missing data | 19(2.5) | 14(3.0) | 5(1.7) |  |
PHQ-9 baseline, median (IQR) | 19.0(8.0) | 20.0(7.0) | 18.0(7.0) |  < 0.001 |
 Missing data | 14(1.8) | 12(2.6) | 2(0.7) |  |
GAD-7 baseline, median (IQR) | 14.0(8.0) | 14.0(7.0) | 13.0(7.0) | 0.024 |
 Missing data | 21(2.8) | 16(3.4) | 5(1.7) |  |
CD-RISC baseline, median (IQR) | 37.0(18.0) | 36.0(19.0) | 40.0(17.0) |  < 0.001 |
 Missing data | 25(3.3) | 13(2.8) | 12(4.1) |  |
ISI baseline, median (IQR) | 15.0(10.0) | 16.0(9.0) | 14.0(10.0) | 0.002 |
 Missing data | 8(1.1) | 6(1.3) | 2(0.7) |  |
Previous episodes, n (%) | 260(34.3) | 154(33.2) | 106(36.2) | 0.399 |
 Missing data | 1(0.1) | 0(0) | 1(0.3) |  |
 Age of onset, median (IQR) | 24.0(10.0) | 23.0(10.0) | 25.0(9.0) |  < 0.001 |
 Missing data | 6(0.8) | 4(0.9) | 2(0.7) |  |
Recent medication use, n (%) | 258(34.0) | 169(36.4) | 89(30.3) | 0.082 |
Living arrangement, n (%) | Â | Â | Â | 0.028 |
 Living alone | 212(28.0) | 145(31.3) | 67(22.8) |  |
 Living with family | 448(59.1) | 258(55.6) | 190(64.6) |  |
 Living with non-relatives | 98(12.9) | 61(13.1) | 37(12.6) |  |
BMI, median (IQR) | 20.9(4.8) | 20.8(4.9) | 21.0(5.2) | 0.158 |