Table 2 Association between early menopause and smoking and intake of coffee and alcohol
Variable | % with early menopause and total number that answered | Crude OR | 95% CI | Adj. OR a | 95% C.I. | Adj. OR b | 95% CI | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|
% | N | Lower | Upper | Lower | Upper | Lower | Upper | ||||
Smoking | |||||||||||
Never | 7.8 | 963 | Ref. | Ref. | Ref. | ||||||
Earlier | 9.2 | 609 | 1.18 | 0.82 | 1.71 | 1.16 | 0.80 | 1.68 | 1.27 | 0.86 | 1.88 |
Current | 13.4 | 514 | 1.71 | 1.21 | 2.42 | 1.59 | 1.11 | 2.28 | 1.66 | 1.12 | 2.45 |
Coffee (cups per day) | |||||||||||
0 | 7.9 | 280 | Ref. | Ref. | Ref. | ||||||
1–4 | 8.8 | 1431 | 1.15 | 0.72 | 1.85 | 1.14 | 0.70 | 1.86 | 1.09 | 0.66 | 1.79 |
>4 | 13.6 | 338 | 1.83 | 1.07 | 3.14 | 1.64 | 0.94 | 2.88 | 1.31 | 0.73 | 2.37 |
Alcohol consumption | |||||||||||
None in last year | 12.2 | 172 | Ref. | Ref. | Ref. | ||||||
<1 time per week | 10.5 | 849 | 0.80 | 0.48 | 1.34 | 0.93 | 0.55 | 1.59 | 0.83 | 0.47 | 1.47 |
At least once per week | 8.4 | 1083 | 0.62 | 0.37 | 1.04 | 0.78 | 0.46 | 1.34 | 0.66 | 0.37 | 1.18 |