Variables(baseline values) | Mean (SD) FEV1decline (ml/year) | p value |
---|---|---|
*Heavy smokers v any other status (p for comparison = 0.045). | ||
†Tertile limits for FEV1: 1.60–3.125, 3.125–4.025, 4.025–6.02 l/s. | ||
‡Tertile limits for LDL cholesterol concentration: 1.12–1.875, 1.875–2.295, 2.295–3.94 g/l. | ||
Sex | ||
Male | −34.2 (35.2) | <0.001 |
Female | −25.5 (27.5) | |
Age (years) | ||
⩽25 | −22.2 (26.4) | 0.007 |
26–30 | −20.8 (28.9) | |
31–35 | −29.4 (26.2) | |
36–40 | −32.1 (30.1) | |
>40 | −33.6 (36.1) | |
Smoking status | ||
Never | −29.7 (30.1) | 0.16 |
Former | −28.5 (33.0) | |
Moderate (<20 cigs/day) | −27.2 (22.5) | |
Heavy (⩾20 cigs/day) | −37.9 (46.2)* | |
FEV1 (l/s)† | ||
1st tertile | −21.8 (34.5) | <0.001 |
2nd tertile | −30.1 (28.9) | |
3rd tertile | −37.6 (30.1) | |
BMI (kg/m2) | ||
Underweight (<20) | −23.6 (35.0) | 0.004 |
Normal (20–24.9) | −29.7 (28.6) | |
Overweight (25–29.9) | −34.3 (38.9) | |
Obese (⩾30) | −46.9 (27.7) | |
LDL cholesterol (g/l)‡ | ||
1st tertile | −24.3 (31.2) | 0.04 |
2nd tertile | −31.8 (32.2) | |
3rd tertile | −32.4 (32.0) |