Variable | Frequency (%) | Mean (standard deviation) | Statistical value | p-value |
---|---|---|---|---|
Age | Â | Â | 23.867 | <0.001 |
 <60 | 55 (25.6) | 51.29 (4.03) |  |  |
 60 ~ 70 | 85 (39.5) | 48.66 (2.78) |  |  |
 >70 | 75 (34.9) | 46.93 (3.95) |  |  |
Gender | Â | Â | -1.089 | 0.278 |
 Male | 103 (47.9) | 48.43 (4.07) |  |  |
 Female | 112 (52.1) | 49.01 (3.77) |  |  |
Educational level | Â | Â | 24.732 | <0.001 |
 Primary education | 86 (40.0) | 47.28 (3.69) |  |  |
 Secondary education | 91 (42.3) | 48.68 (3.12) |  |  |
 Higher education | 38 (17.7) | 52.13 (4.11) |  |  |
Marital status | Â | Â | 2.785 | 0.064 |
 Unmarried | 20 | 47.30 (5.97) |  |  |
 Married | 115 | 48.50 (3.09) |  |  |
 Divorced/Widowed | 80 | 49.41 (4.26) |  |  |
Duration of disease (year) | Â | Â | 0.479 | 0.620 |
 <4 | 90 (41.9) | 48.97 (4.02) |  |  |
 4 ~ 8 | 87 (40.5) | 48.41 (3.98) |  |  |
 >8 | 38 (17.7) | 48.89 (3.57) |  |  |
Monthly income (RMB) | Â | Â | 1.506 | 0.224 |
 <3000 | 112 (52.1) | 48.46 (3.81) |  |  |
 3000 ~ 6000 | 60 (27.9) | 48.57 (4.33) |  |  |
 >6000 | 43 (20.0) | 49.65 (3.53) |  |  |
Place of residence | Â | Â | -2.545 | 0.012 |
 Rural | 75 (34.9) | 47.81 (3.63) |  |  |
 Urban | 140 (65.1) | 49.22 (3.99) |  |  |
Number of chronic diseases | Â | Â | 1.068 | 0.345 |
 <3 | 80 (37.2) | 48.24 (3.82) |  |  |
 3~4 | 102 (47.4) | 49.09 (3.96) |  |  |
 >4 | 33 (15.3) | 48.82 (4.00) |  |  |