Table 1 Characteristics of the study populations
Variables | n/mean | %/SD | |
|---|---|---|---|
Total | 1078 | 100.00 | |
Age (years) | 71.42 | 5.22 | |
BMI (kg/m2) | 23.67 | 3.33 | |
Gender | Male | 488 | 45.40 |
Female | 587 | 54.60 | |
Residence | Local residents | 237 | 21.99 |
Others | 825 | 77.68 | |
Education level | Primary school or lower | 582 | 54.65 |
Junior high school or higher | 483 | 45.35 | |
Marital status | Married | 933 | 89.37 |
Unmarried/widowed/divorced | 111 | 10.68 | |
Occupation | Workers or administrators | 204 | 19.05 |
Farmers or others | 867 | 80.95 | |
Medical insurance | Yes | 769 | 72.89 |
No | 286 | 27.11 | |
Family annual income per capita (RMB) | Less than 100,000 | 743 | 71.44 |
More than 100,000 | 297 | 28.56 | |
Self-perceived health status | Good | 494 | 47.45 |
Fair | 481 | 46.21 | |
Bad | 66 | 6.34 | |
Cigarette smoker | Current smoker | 118 | 10.97 |
Ex/non-smoker | 958 | 89.03 | |
Alcohol drinker | Current drinker | 100 | 9.28 |
Ex/non-drinker | 978 | 90.72 | |
Previously treated for TB | Yes | 33 | 3.13 |
No | 1020 | 96.87 | |
Family members or friends with a previous TB history | Yes | 33 | 3.09 |
No | 1036 | 96.91 |