| Cases | Insignificant stress | Significant stress | X2 | P | |
Marriage | Married | 178 | 43 | 135 | 16.052 | 0.000 |
Unmarried, divorced or willowed | 48 | 26 | 22 | |||
Age | <30 | 62 | 37 | 25 | 7.563 | 0.006 |
>30 | 164 | 56 | 88 | |||
Education | Above high school | 82 | 56 | 26 | 17.226 | 0.000 |
Under high school | 144 | 57 | 87 | |||
Month income | ≥2000 RMB | 186 | 104 | 82 | 5.771 | 0.016 |
<2000 RMB | 40 | 14 | 26 |