From: Socioeconomic trajectory from birth to adolescence and lung function: prospective birth cohort study
Variable | Boys (n = 1969) | Girls (n = 2036) | ||
---|---|---|---|---|
FEV1 | FVC | FEV1 | FVC | |
Socioeconomic status at birth (tertiles) | P < 0.001 | P < 0.001 | P < 0.001 | P < 0.001 |
Lowest | 3.35 (0.66) | 3.87 (0.75) | 2.88 (0.44) | 3.25 (0.53) |
Intermediate | 3.47 (0.68) | 4.02 (0.79) | 2.92 (0.42) | 3.29 (0.49) |
Highest | 3.61 (0.62) | 4.19 (0.71) | 3.02 (0.44) | 3.38 (0.51) |
Socioeconomic status at 15 y (tertiles) | P < 0.001 | P < 0.001 | P < 0.001 | P < 0.001 |
Lowest | 3.33 (0.67) | 3.85 (0.77) | 2.84 (0.45) | 3.21 (0.52) |
Intermediate | 3.45 (0.64) | 3.99 (0.73) | 2.94 (0.42) | 3.30 (0.51) |
Highest | 3.62 (0.66) | 4.19 (0.75) | 3.02 (0.42) | 3.38 (0.49) |
Socioeconomic trajectory from birth to 15 y | P < 0.001 | P < 0.001 | P < 0.001 | P < 0.001 |
Always poor | 3.27 (0.65) | 3.79 (0.76) | 2.82 (0.45) | 3.19 (0.55) |
Non-poor, poor | 3.41 (0.71) | 3.94 (0.80) | 2.87 (0.43) | 3.24 (0.47) |
Poor, non-poor | 3.45 (0.66) | 3.96 (0.76) | 2.94 (0.41) | 3.30 (0.51) |
Never poor | 3.58 (0.64) | 4.16 (0.74) | 3.00 (0.43) | 3.36 (0.50) |
Total | 3.46 (0.66) | 4.00 (0.76) | 2.93 (0.44) | 3.30 (0.52) |