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. 2021 Apr 29;21:217. doi: 10.1186/s12888-021-03219-w

Table 1.

Characteristics of the participants according to a sex comparison

Characteristics Total Sample (n = 656) Male (n = 357) Female (n = 299) χ2/t p-value
Age, years, mean ± SD 37.24 ± 9.47 38.80 ± 9.76 35.38 ± 8.76 4.731 < 0.001
Marital status, n(%) 7.300 0.007
 Married 528 (80.5) 301 (84.3) 227 (75.9)
 Single 128 (19.5) 56 (15.7) 72 (24.1)
Educational level, n(%) 0.417 0.812
 College diploma 18 (2.7) 10 (2.8) 8 (2.7)
 Bachelor’s degree 274 (41.8) 153 (42.9) 121 (40.5)
 Master’s degree or higher 364 (55.5) 194 (54.3) 170 (56.9)
Monthly income(¥, RMB), n(%) 14.715 0.002
 <5000 140 (21.3) 65 (18.2) 75 (25.1)
 5000-8000 267 (40.7) 136 (38.1) 131 (43.8)
 8000-10,000 128 (19.5) 87 (24.4) 41 (13.7)
 >10,000 121 (18.4) 69 (19.3) 52 (17.4)
Department, n(%) 26.248 < 0.001
 Surgical 348 (53.0) 222 (62.2) 126 (42.1)
 Non-surgical 308 (47.1) 135 (37.8) 173 (57.9)
Professional status, n(%) 17.817 < 0.001
 Primary 288 (43.9) 133 (37.3) 155 (51.8)
 Intermediate 191 (29.1) 107 (30.0) 84 (28.1)
 Senior 177 (27.0) 117 (32.8) 60 (20.1)
Employment status, n(%) 1.656 0.198
 Formal employee 358 (54.6) 203 (56.9) 155 (51.8)
 Contract employee 298 (45.4) 154 (41.3) 144 (48.2)
Cigarette smoking, n(%) 91.712 < 0.001
 Current/past 110 (16.8) 106 (29.7) 4 (1.3)
 No 546 (83.2) 251 (70.3) 295 (98.7)
Alcohol consumption, n(%) 228.635 < 0.001
 Current/past 384 (58.5) 304 (85.2) 80 (26.8)
 No 272 (41.5) 53 (14.8) 219 (73.2)
Working hours per week, n(%) 1.716 0.633
  ≤ 40 37 (5.6) 18 (5.0) 19 (6.4)
 41–50 192 (29.3) 105 (29.4) 87 (29.1)
 51–60 189 (28.8) 98 (27.5) 91 (30.4)
 >60 238 (36.3) 136 (38.1) 102 (34.1)
Self-rated health, n(%) 1.028 0.598
 Good 204 (31.1) 117 (32.8) 87 (29.1)
 Fair 382 (58.2) 203 (56.9) 179 (59.9)
 Poor 70 (10.7) 37 (10.4) 33 (11.0)
Depression scale, mean ± SD 8.97 ± 5.40 8.84 ± 5.36 9.12 ± 5.56 −0.661 0.509
Depressive symptoms, n(%) 1.511 0.219
 Yes 277 (42.2) 143 (40.1) 134 (44.8)
 No 379 (57.8) 214 (59.9) 165 (55.2)

1 USD ≈ ¥ 6.96 RMB (August 2020 exchange rate). Abbreviations: RMB renminbi, SD standard deviation