N(%) | EE | CY | PE | WB | |
---|---|---|---|---|---|
Mean ± SD | Mean ± SD | Mean ± SD | Mean ± SD | ||
Age | |||||
 20–29 | 437(35.8) | 10.46 ± 7.09 | 7.08 ± 5.99 | 26.73 ± 11.18 | 44.90 ± 8.51 |
 30–39 | 420(34.5) | 10.21 ± 7.76 | 6.84 ± 6.40 | 28.56 ± 11.27 | 44.42 ± 8.76 |
 > 40 | 362(29.7) | 8.41 ± 6.89 | 5.41 ± 5.34 | 26.51 ± 12.55 | 44.61 ± 8.43 |
  F | 9.042** | 8.841** | 3.827* | 0.338 | |
Gender | |||||
 male | 923(75.7) | 9.82 ± 7.21 | 6.68 ± 5.94 | 27.11 ± 11.52 | 44.36 ± 8.82 |
 female | 296(24.3) | 9.58 ± 7.65 | 5.93 ± 6.10 | 27.87 ± 12.09 | 45.53 ± 7.68 |
  T | 0.486 | 1.894 | −0.969 | −2.181* | |
Marriage | |||||
 Married/cohabitation | 886(72.7) | 9.57 ± 7.35 | 6.33 ± 5.97 | 27.39 ± 11.83 | 44.57 ± 8.61 |
 Single/dicorced/widow | 333(27.3) | 10.28 ± 7.23 | 6.96 ± 6.02 | 27.04 ± 11.21 | 44.85 ± 8.48 |
  T | 1.510 | 1.644 | −0.467 | 0.517 | |
Educational level | |||||
 Technical secondary school and the following | 232(19.0) | 9.37 ± 7.94 | 6.36 ± 6.22 | 24.96 ± 12.65 | 44.06 ± 9.29 |
 Junior college | 492(40.4) | 10.13 ± 7.62 | 7.08 ± 6.44 | 26.91 ± 12.00 | 44.10 ± 8.63 |
 Bachelor degree or above | 495(40.6) | 9.58 ± 6.69 | 5.99 ± 5.34 | 28.78 ± 10.59 | 45.47 ± 8.09 |
  F | 1.109 | 4.134* | 9.033** | 3.808* | |
Income(RMB, yuan) | |||||
 < 4000 | 919(75.4) | 10.14 ± 7.44 | 6.82 ± 6.13 | 26.85 ± 11.68 | 44.12 ± 8.90 |
 ≧4000 | 300(24.6) | 8.60 ± 6.81 | 5.53 ± 5.42 | 28.67 ± 11.51 | 46.26 ± 7.24 |
  T | 3.340** | 3.450** | −2.356* | −4.179** | |
Weekly working hours | |||||
 < 40 | 840(68.9) | 8.84 ± 6.86 | 6.07 ± 5.67 | 27.30 ± 11.83 | 45.08 ± 8.47 |
 ≧40 | 379(31.1) | 11.81 ± 7.89 | 7.45 ± 6.55 | 27.28 ± 11.29 | 43.70 ± 8.73 |
  T | −6.346** | −3.557** | 0.031 | 2.609* | |
Working years | |||||
 < 12 | 674(47.1) | 10.50 ± 7.21 | 6.97 ± 5.95 | 27.26 ± 11.32 | 44.94 ± 8.62 |
 ≧12 | 645(52.9) | 9.11 ± 7.36 | 6.09 ± 6.00 | 27.33 ± 11.96 | 44.38 ± 8.52 |
  T | 3.323** | 2.570** | −0.113 | 1.137 |