Table 1.

Unadjusted FEV₁ and FVC in liters by alcohol^a and sex

Group	Mean FEV1 ± SD	Mean FVC ± SD
Men
All	3.13 ± 0.91	4.07 ± 1.00
No alcohol	2.90 ± 0.63	3.78 ± 1.03
<2 drinks	3.24 ± 0.89b	4.18 ± 1.00b
3–5 drinks	3.09 ± 0.87b	4.04 ± 0.98b
>6 drinks	2.94 ± 0.86b	3.93 ± 0.96b
Unknown	3.02 ± 0.90b	3.96 ± 1.00b
Women
All	2.24 ± 0.65	2.85 ± 0.72
No alcohol	2.07 ± 0.63b	2.63 ± 0.70
<2 drinks	2.33 ± 0.64b	2.95 ± 0.71b
3–5 drinks	2.19 ± 0.62b	2.83 ± 0.70b
>6 drinks	2.09 ± 0.63	2.74 ± 0.68b
Unknown	2.16 ± 0.62b	2.78 ± 0.69b

^a Usual number of drinks per day in the preceding year; unknowns gave no response or a conflicting response.

^b p vs nondrinkers <0.001.

FEV₁ = one-second forced expiratory volume; FVC = forced vital capacity.