Table 1 Characteristics of the study population
Characteristics | Total (n = 1888) | No aggression (n = 251) | Non-physical violence (n = 1353) | Physical violence (n = 284) | χ2 | P |
|---|---|---|---|---|---|---|
Age, (%) | Â | Â | Â | Â | 18.711 | 0.010a |
 ≤ 30 | 619(32.8) | 102(40.6) | 407(30.1) | 110(38.7) |  |  |
 31–50 | 1197(63.4) | 136(54.2) | 896(66.2) | 165(58.1) |  |  |
 > 50 | 72(3.8) | 13(5.2) | 50(3.7) | 9(3.2) |  |  |
Sex, (%) |  |  |  |  | 35.330 |  < 0.001a |
 Male | 116(6.1) | 20(8.0) | 58(4.3) | 38(13.4) |  |  |
  Female | 1772(93.9) | 231(92.0) | 1295(95.7) | 246(86.6) |  |  |
Marital status, (%) |  |  |  |  | 17.295 |  < 0.001a |
 Single | 376(19.9) | 71(28.3) | 239(17.7) | 66(23.2) |  |  |
 Married | 1512(80.1) | 180(71.7) | 1114(82.3) | 218(76.8) |  |  |
Living condition, (%) |  |  |  |  | 17.983 |  < 0.001a |
  Living alone | 241(12.8) | 45(17.9) | 145(10.7) | 51(18.0) |  |  |
  Not living alone | 1647(87.2) | 206(82.1) | 1208(89.3) | 233(82.0) |  |  |
Educational level, (%) | Â | Â | Â | Â | 8.727 | 0.068a |
  Junior college or less | 138(7.3) | 28(11.2) | 93(6.9) | 17(6.0) |  |  |
 Bachelor | 1659(87.9) | 216(86.1) | 1191(88.0) | 252(88.7) |  |  |
 Master or above | 91(4.8) | 7(2.8) | 69(5.1) | 15(5.3) |  |  |
Monthly income(CNY), (%) | Â | Â | Â | Â | 10.900 | 0.028a |
  < 5000 | 332(17.6) | 61(24.3) | 218(16.1) | 53(18.7) |  |  |
 5000–8000 | 850(45.0) | 107(42.6) | 612(45.2) | 131(46.1) |  |  |
 ≥ 8001 | 706(37.4) | 83(33.1) | 523(38.7) | 100(35.2) |  |  |
Number of children, (%) | Â | Â | Â | Â | 15.435 | 0.004a |
 0 | 466(24.7) | 82(32.7) | 303(22.4) | 81(28.5) |  |  |
 1 | 902(47.8) | 103(41.0) | 673(49.7) | 126(44.4) |  |  |
 ≥ 2 | 520(27.5) | 66(26.3) | 377(27.9) | 77(27.1) |  |  |
Department |  |  |  |  | 41.908 |  < 0.001a |
 Internal medicine | 535(28.3) | 64(25.5) | 392(29.0) | 79(27.8) |  |  |
 Surgery | 738(39.1) | 87(34.7) | 545(40.3) | 106(37.3) |  |  |
 Obstetrics and gynecology | 94(5.0) | 11(4.4) | 69(5.1) | 14(4.9) |  |  |
 Pediatrics | 136(7.2) | 12(4.8) | 104(7.7) | 20(7.0) |  |  |
 Emergency | 164(8.7) | 23(9.2) | 101(7.5) | 40(14.1) |  |  |
 Other | 221(11.7) | 54(21.5) | 142(10.5) | 25(8.8) |  |  |
Professional title, (%) | Â | Â | Â | Â | 11.083 | 0.026a |
 Primary | 894(47.4) | 141(56.2) | 612(45.2) | 141(49.6) |  |  |
 Intermediate | 914(48.4) | 100(39.8) | 683(50.5) | 131(46.1) |  |  |
 Senior | 80(4.2) | 10(4.0) | 58(4.3) | 12(4.2) |  |  |
Employment type, (%) | Â | Â | Â | Â | 12.495 | 0.002a |
 Formal employee | 409(21.7) | 33(13.1) | 313(23.1) | 63(22.2) |  |  |
 Contract employee | 1479(78.3) | 218(86.9) | 1040(76.9) | 221(77.8) |  |  |
Number of vacation days, (%) | Â | Â | Â | Â | 19.991 | 0.003a |
   0 | 208(11.0) | 21(8.4) | 144(10.6) | 43(15.1) |  |  |
  1–14 | 1122(59.4) | 142(56.6) | 816(60.3) | 164(57.7) |  |  |
 15–30 | 291(15.4) | 36(14.3) | 205(15.2) | 50(17.6) |  |  |
 > 30 | 267(14.1) | 52(20.7) | 188(13.9) | 27(9.5) |  |  |
Work hours per week, (%) |  |  |  |  | 26.131 |  < 0.001a |
  ≤ 40 | 166(8.8) | 30(12.0) | 120(8.9) | 16(5.6) |  |  |
 41–50 | 1283(68.0) | 162(64.5) | 927(68.5) | 194(68.3) |  |  |
  51–60 | 262(13.9) | 31(12.4) | 201(14.9) | 30(10.6) |  |  |
  > 60 | 177(9.4) | 28(11.2) | 105(7.8) | 44(15.5) |  |  |
FFWV level, (%) |  |  |  |  | 53.069 |  < 0.001a |
   Low | 138(7.3) | 43(17.1) | 83(6.1) | 12(4.2) |  |  |
 Medium | 375(19.9) | 57(22.7) | 247(18.3) | 71(25.0) |  |  |
  High | 1375(72.8) | 151(60.2) | 1023(75.6) | 201(70.8) |  |  |
Scores of depressive symptoms, (mean ± SD) | 9.19 ± 5.40 | 6.51 ± 4.49 | 9.20 ± 5.30 | 11.52 ± 5.56 | 116.329 |  < 0.001b |
Depressive symptoms, (%) |  |  |  |  | 83.550 |  < 0.001a |
 Yes | 866(45.9) | 61(24.3) | 624(46.1) | 181(63.7) |  |  |
 No | 1022(54.1) | 190(75.7) | 729(53.9) | 103(26.3) |  |  |