Table IV.
Comparing the subfertile groups: odds ratios (95% confidence interval) for asthma, wheezing and medications at 5 and 7 years in each infertility treatment group, compared with the untreated subfertile group.
| Group | Age 5 years |
Age 7 years |
||||
|---|---|---|---|---|---|---|
| n | Adjusted for sex only | Fully adjusted model | n | Adjusted for sex only | Fully adjusted model | |
| Asthma | ||||||
| Subfertile, no treatment | 505 | Comparison group | 463 | Comparison group | ||
| OI | 173 | 0.70 (0.39, 1.25) | 0.72 (0.39, 1.32) | 153 | 0.93 (0.52, 1.67) | 1.01 (0.57, 1.81) |
| ART | 104 | 1.65 (0.87, 3.13) | 1.98 (1.06, 3.72) | 87 | 1.48 (0.80, 2.71) | 1.59 (0.88, 2.89) |
| Wheezing in the last year | ||||||
| Subfertile, no treatment | 505 | Comparison group | 463 | Comparison group | ||
| OI | 173 | 0.79 (0.46, 1.37) | 0.81 (0.47, 1.39) | 153 | 0.54 (0.27, 1.08) | 0.55 (0.28, 1.09) |
| ART | 104 | 1.45 (0.81, 2.58) | 1.59 (0.88, 2.87) | 87 | 1.35 (0.64, 2.85) | 1.30 (0.62, 2.75) |
| Anti-asthmatic medications taken daily | ||||||
| Subfertile, no treatment | 505 | Comparison group | 463 | Comparison group | ||
| OI | 170 | 1.09 (0.44, 2.74) | 1.10 (0.43, 2.79) | 153 | 1.01 (0.42, 2.39) | 1.03 (0.44, 2.44) |
| ART | 104 | 2.73 (1.26, 5.94) | 3.10 (1.42, 6.79) | 87 | 1.59 (0.61, 4.12) | 1.50 (0.60, 3.79) |
Fully adjusted models, controlling for effects of confounding factors: Age 5: maternal history of asthma, family smoking, social class, maternal age; Age 7: maternal history of asthma, family smoking, family income, family type, siblings and pets in the home.