Crude odds ratios (95% CI) for association between socioeconomic factors and the development of respiratory symptoms in the first two years of life
| Wheeze at least once | Recurrent wheezing | Night cough without a cold | Runny nose without cold | Runny nose with itchy/watery eyes | |
|---|---|---|---|---|---|
| *p<0.05. | |||||
| †Mother paid job is reference group; ‡father paid job is reference group; §mother education high is reference group; ¶father education high is reference group. | |||||
| First year of life | |||||
| Mother no paid job† | 0.96 (0.8 to 1.1) | 1.05 (0.8 to 1.4) | 0.98 (0.8 to 1.2) | 1.00 (0.9 to 1.2) | 0.85 (0.6 to 1.2) |
| Father no paid job‡ | 1.71 (1.1 to 2.6)* | 2.00 (1.1 to 3.7)* | 1.48 (0.9 to 2.4) | 2.07 (1.4 to 3.1)* | 2.05 (1.0 to 4.1)* |
| Mother education low§ | 1.14 (0.9 to 1.4) | 1.25 (0.9 to 1.8) | 1.00 (0.8 to 1.3) | 1.36 (1.1 to 1.7)* | 1.40 (0.9 to 2.1) |
| Father education low¶ | 1.00 (0.8 to 1.2) | 1.21 (0.9 to 1.7) | 1.19 (1.0 to 1.5) | 1.12 (0.9 to 1.3) | 0.77 (0.5 to 1.2) |
| Second year of life | |||||
| Mother no paid job† | 1.16 (1.0 to 1.4) | 1.10 (0.8 to 1.5) | 1.14 (0.9 to 1.4) | 1.28 (1.1 to 1.5)* | 1.56 (1.1 to 2.1)* |
| Father no paid job‡ | 1.58 (1.0 to 2.5)* | 2.94 (1.6 to 5.3)* | 1.68 (1.0 to 2.7)* | 1.51 (0.9 to 2.4) | 1.68 (0.8 to 3.7) |
| Mother education low§ | 1.29 (1.0 to 1.6)* | 1.29 (0.9 to 1.9) | 1.12 (0.8 to 1.5) | 1.67 (1.3 to 2.1)* | 1.75 (1.2 to 2.6)* |
| Father education low¶ | 1.26 (1.0 to 1.6) | 1.38 (1.0 to 1.9) | 1.09 (0.9 to 1.4) | 0.95 (0.8 to 1.2) | 1.02 (0.7 to 1.5) |