Case (n = 193) | Control (n = 411) | Crude odd ratio (OR) | |||||||
---|---|---|---|---|---|---|---|---|---|
No. | % | No. | % | OR | 95 % CI | p-value* | |||
Average age (mean year) ± SD** | 57.3 ± 4.8 | 56.3 ± 4.4 | - | - | - | ||||
Sex | Male | 73 | 37.8 | 159 | 38.7 | 1 | ref*** | ref | |
Female | 120 | 62.2 | 252 | 61.3 | 1.04 | 0.73 | 1.48 | 0.84 | |
Age group | 50 - 54 | 59 | 30.6 | 176 | 42.8 | 1 | ref | ref | |
55 - 59 | 63 | 32.6 | 119 | 29.0 | 1.58 | 1.03 | 2.41 | 0.04 | |
60 - 64 | 71 | 36.8 | 116 | 28.2 | 1.83 | 1.20 | 2.77 | 0.005 | |
Ethnic | Chinese | 193 | 100.0 | 410 | 99.8 | - | - | - | |
Education | Primary or below | 58 | 30.1 | 110 | 26.8 | 1 | ref | ref | |
Secondary | 120 | 62.2 | 260 | 63.9 | 0.88 | 0.60 | 1.29 | 0.50 | |
Tertiary or above | 15 | 7.8 | 37 | 9.1 | 0.77 | 0.39 | 1.52 | 0.46 | |
Status | Retired | 52 | 26.9 | 69 | 16.8 | - | - | - | |
Housewife | 47 | 24.4 | 112 | 27.3 | - | - | - | ||
Employed | Yes | 83 | 43.0 | 198 | 48.2 | 0.82 | 0.58 | 1.15 | 0.24 |
No | 110 | 57.0 | 213 | 51.8 | 1 | ref | ref | ||
Current smoker | Yes | 16 | 8.3 | 20 | 4.9 | 1.77 | 0.89 | 3.49 | 0.11 |
No | 177 | 91.7 | 391 | 95.1 | 1 | ref | ref |