Table 2 Unadjusted and adjusted association between lung function (mL) and socioeconomic status among boys (N = 1969)
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 = 0.03† | P = 0.03† | P = 0.74† | P = 0.40† |
Lowest | 0 | 0 | 0 | 0 | 0 | 0 |
Intermediate | 117 (36) | 151 (41) | 16 (27) | 26 (30) | -15 (31) | 32 (34) |
Highest | 266 (36) | 323 (42) | 61 (28) | 68 (31) | 12 (32) | 28 (35) |
Socioeconomic status at 15 y (tertiles) | P < 0.001† | P < 0.001† | P = 0.01† | P = 0.03† | P = 0.60† | P = 0.84† |
Lowest | 0 | 0 | 0 | 0 | 0 | 0 |
Intermediate | 127 (37) | 139 (42) | 44 (26) | 34 (28) | 2 (38) | 42 (42) |
Highest | 294 (36) | 344 (41) | 64 (26) | 64 (29) | -17 (37) | 14 (42) |
Socioeconomic trajectory from birth to 15 y | P < 0.001 | P < 0.001 | P = 0.10 | P = 0.11 | P = 0.99 | P = 0.74 |
Always poor | 0 | 0 | 0 | 0 | 0 | 0 |
Non-poor, poor | 142 (55) | 143 (63) | 12 (38) | -14 (42) | 3 (60) | 14 (66) |
Poor, non-poor | 177 (45) | 169 (52) | 54 (32) | 19 (35) | 0 (46) | 6 (51) |
Never poor | 313 (39) | 365 (45) | 63 (28) | 59 (31) | -9 (42) | 42 (46) |