Table 3 Unadjusted and adjusted association between lung function and socioeconomic status among girls (N = 2036)
From: Socioeconomic trajectory from birth to adolescence and lung function: prospective birth cohort study
Variable | Unadjusted | Model 1* | Model 2** | |||
|---|---|---|---|---|---|---|
FEV1 (mL) | FVC (mL) | FEV1 (mL) | FCV (mL) | FEV1 (mL) | FVC (mL) | |
Beta (SE) | Beta (SE) | Beta (SE) | Beta (SE) | Beta (SE) | Beta (SE) | |
Socioeconomic status at birth (tertiles) | P < 0.001† | P < 0.001† | P = 0.002† | P = 0.06† | P = 0.08† | P = 0.25† |
Lowest | 0 | 0 | 0 | 0 | 0 | 0 |
Intermediate | 41 (23) | 38 (28) | 30 (20) | 26 (23) | 15 (20) | 14 (23) |
Highest | 144 (24) | 138 (28) | 63 (21) | 44 (24) | 36 (21) | 27 (24) |
Socioeconomic status at 15 y (tertiles) | P < 0.001† | P < 0.001† | P < 0.001† | P = 0.002† | P = 0.001† | P = 0.005† |
Lowest | 0 | 0 | 0 | 0 | 0 | 0 |
Intermediate | 104 (23) | 92 (27) | 56 (19) | 34 (22) | 60 (24) | 37 (28) |
Highest | 183 (24) | 174 (28) | 92 (20) | 72 (23) | 87 (25) | 83 (30) |
Socioeconomic trajectory from birth to 15 y | P < 0.001 | P < 0.001 | P < 0.001 | P = 0.06 | P = 0.004 | P = 0.07 |
Always poor | 0 | 0 | 0 | 0 | 0 | 0 |
Non-poor, poor | 49 (35) | 43 (41) | 36 (29) | 27 (33) | 48 (38) | 33 (45) |
Poor, non-poor | 117 (30) | 108 (35) | 73 (25) | 54 (28) | 71 (30) | 45 (36) |
Never poor | 174 (25) | 164 (30) | 87 (21) | 63 (24) | 96 (27) | 83 (32) |