1. Demographic characteristics of family caregivers of breast cancer patients from China (N=191).
| Variables | n | % |
| Age (year) | ||
| <40 | 56 | 29.32 |
| 40−50 | 59 | 30.89 |
| 50−60 | 58 | 30.37 |
| >60 | 18 | 9.42 |
| Gender | ||
| Male | 152 | 79.58 |
| Female | 39 | 20.42 |
| Marital status | ||
| Married | 171 | 89.53 |
| Others | 11 | 5.76 |
| Missing data | 9 | 4.71 |
| Relationship with patients | ||
| Spouse | 130 | 68.06 |
| Child | 37 | 19.37 |
| Others | 24 | 12.57 |
| Educational level | ||
| University or above | 108 | 56.54 |
| High school or less | 82 | 42.93 |
| Missing data | 1 | 0.52 |
| Chronic diseases | ||
| Yes | 44 | 23.04 |
| No | 138 | 72.25 |
| Missing data | 9 | 4.71 |
| Hospital charges paid by | ||
| National Healthcare | 183 | 95.81 |
| Others | 6 | 3.14 |
| Missing data | 2 | 1.05 |
| Living with patients | ||
| Yes | 144 | 75.39 |
| No | 38 | 19.90 |
| Missing data | 9 | 4.71 |