Table 1 Selected characteristics of lung cancer cases and community referents in nonsmoking Chinese men during 2004–2006
Cases | Community referents | ||||
---|---|---|---|---|---|
Characteristics by category | No. | % | No. | % | P- value a |
Total no. | 132 | 536 | |||
Age at interview (year) | 0.038 | ||||
<50 | 22 | 16.7 | 63 | 11.8 | |
50–59 | 36 | 27.3 | 108 | 20.1 | |
60–69 | 40 | 30.3 | 166 | 31.0 | |
⩾70 | 34 | 25.8 | 199 | 37.1 | |
Family monthly income (HK dollar) b | 0.001 | ||||
<4000 | 55 | 41.7 | 202 | 37.7 | |
⩾4000 | 54 | 40.9 | 157 | 29.3 | |
Not answered | 23 | 17.4 | 177 | 33.0 | |
Marital status | 0.351 | ||||
Single | 8 | 6.1 | 38 | 7.1 | |
Married | 115 | 87.1 | 450 | 84.0 | |
Widowed | 2 | 1.5 | 23 | 4.3 | |
Divorced | 7 | 5.3 | 19 | 3.5 | |
Education level | 0.681 | ||||
Illiterate | 14 | 10.6 | 54 | 10.1 | |
Primary | 47 | 35.6 | 163 | 30.4 | |
High school | 46 | 34.8 | 201 | 37.5 | |
College or above | 24 | 18.2 | 107 | 20.0 | |
ETS in workplace or at home | 0.613 | ||||
Never | 42 | 31.8 | 183 | 34.1 | |
Ever | 90 | 68.2 | 353 | 65.9 | |
Alcohol drinking c | 0.120 | ||||
Never | 69 | 52.3 | 333 | 62.1 | |
Occasional | 34 | 25.8 | 110 | 20.5 | |
Frequent | 28 | 21.2 | 90 | 16.8 |