| Cases | Insignificant stress | Significant stress | X2 | P | |
Marriage | Married | 126 | 84 | 42 | 21.003 | 0.000 |
Unmarried, divorced or willowed | 42 | 11 | 31 | |||
Age | <60 | 32 | 10 | 22 | 17.216 | 0.000 |
>60 | 136 | 96 | 40 | |||
Education | Above high school | 22 | 18 | 4 | 9.504 | 0.002 |
Under high school | 146 | 68 | 78 | |||
Month income | ≥2000 RMB | 62 | 32 | 30 | 6.26 | 0.010 |
<2000 RMB | 106 | 34 | 72 |