Table 1.
Characteristics of the study population*
| Variables | N | % |
| Total | 1123 | 100 |
| Age, years | ||
| 65–70 | 584 | 52.5 |
| 71–75 | 312 | 28.0 |
| >75 | 217 | 19.5 |
| Gender | ||
| Male | 505 | 45.3 |
| Female | 611 | 54.7 |
| Residence | ||
| Local residents | 232 | 21.2 |
| Others | 862 | 78.8 |
| Education level | ||
| Primary school or below | 605 | 55.4 |
| Junior or senior middle school | 423 | 38.7 |
| College degree or above | 64 | 5.9 |
| Marital status | ||
| Married | 947 | 89.0 |
| Unmarried/widow/divorced | 117 | 11.0 |
| Medical insurance | ||
| Yes | 779 | 73.3 |
| No | 284 | 26.7 |
| Family annual income per capita (¥) | ||
| <50 000 | 398 | 37.8 |
| 50 000–100 000 | 342 | 32.4 |
| 100 000–200 000 | 221 | 21.0 |
| >200 000 | 93 | 8.8 |
| Self-perceived health status | ||
| Good | 505 | 48.1 |
| Fair | 476 | 45.3 |
| Bad | 69 | 6.6 |
| Smoking status | ||
| Current smoker | 119 | 10.7 |
| Former smoker | 92 | 8.3 |
| Never smoker | 902 | 81.0 |
| Alcohol intake | ||
| Current drinker | 106 | 9.5 |
| Former drinker | 82 | 7.3 |
| Never drinker | 931 | 83.2 |
| TB knowledge scores | ||
| <3 | 333 | 30.9 |
| ≥3 | 746 | 69.1 |
| TB attitudes scores | ||
| <3 | 546 | 52.0 |
| ≥3 | 505 | 48.0 |
| TB practice scores | ||
| <4 | 555 | 57.8 |
| ≥4 | 406 | 42.2 |
*Missing number of participants: age: 10; gender: 7; residence: 29; education level: 31; marital status: 59; medical insurance: 60; family annual income per capita: 69; self-perceived health status: 73; smoking status: 10; alcohol consumption habits: 4; TB knowledge scores: 44; TB attitudes scores: 72; TB practice scores: 162.
TB, tuberculosis.