Childhood measure of SEP | Difference (95% CI) in FEF25–75 (SD) | ||
---|---|---|---|
Model 1* | Model 2† | Model 3‡ | |
SD = standard deviation (1 standard deviation FEF25–75 = 0.70 l) | |||
*Adjusted for nurse, age, and height squared. | |||
†Adjusted for nurse, age, height squared, smoking, body mass index, physical activity, adult social class, and respiratory treatment. | |||
‡Adjusted for nurse, age, height squared, smoking, body mass index, physical activity, adult social class, respiratory treatment, and each of the other childhood indicators of SEP (first column). | |||
Manual – non-manual social class | −0.18 (−0.25 to −0.10) | −0.14 (−0.21 to −0.07) | −0.13 (−0.21 to −0.05) |
House without bath – house with bath | −0.08 (−0.14 to −0.01) | −0.05 (−0.12 to 0.01) | 0.00 (−0.10 to 0.10) |
House without hot water – house with hot water | −0.08 (−0.15 to −0.02) | −0.06 (−0.12 to 0.00) | −0.03 (−0.14 to 0.08) |
No car access – car access | −0.07 (−0.16 to 0.00) | −0.05 (−0.13 to 0.03) | 0.00 (−0.08 to 0.09) |
Shared bedroom – bedroom of own | −0.08 (−0.14 to −0.01) | −0.06 (−0.12 to 0.00) | −0.04 (−0.10 to 0.02) |