Table 1 Basic characteristics of cases and controls
Variables | Case(n = 613) n(%) | Control(n = 1226) n(%) | P Value |
|---|---|---|---|
Gender | |||
Men | 458(74.7) | 916(74.7) | 1.000† |
Women | 155(25.3) | 310(25.3) | |
Age (years) | |||
Mean ± SD | 56.0 ± 16.5 | 56.0 ± 16.4 | 0.963‡ |
< 56 | 270(44.0) | 545(44.5) | 0.868† |
≥ 56 | 343(56.0) | 681(55.5) | |
Education(years) | |||
< 6 | 309(50.4) | 675(55.1) | 0.060† |
≥ 6 | 304(49.6) | 551(44.9) | |
Marital status | |||
Single | 32(5.2) | 54(4.4) | 0.175† |
Married | 537(87.6) | 1054(86.0) | |
Divorced/widowed | 44(7.2) | 118(9.6) | |
Alcohol drinking | |||
Never | 450(73.4) | 839(68.4) | 0.028† |
Ever | 163(26.6) | 387(31.6) | |
Sputum smear test* | |||
Negative | 274(45.1) | ||
Positive | 334(54.9) |