Table 3
Associations of irregular menstruation with new and persistent asthma and asthma symptoms in 4077 women aged 25–42 years and 2060 women aged 43–54 years
| Asthma OR (95% CI)† | Number of asthma symptoms*(Coefficient)‡ | |
|---|---|---|
| *Symptoms Q1–Q6: Wheeze, wheeze with shortness of breath, wheeze without cold, waking with tightness in chest, waking with shortness of breath, waking with cough, asthma attacks, current asthma medication. | ||
| †From logistic regression models with adjustment for smoking habits, type of dwelling, BMI, age, and centre. | ||
| ‡From multiple linear regression model with adjustment for smoking habits, type of dwelling, BMI, age, and centre. | ||
| New onset | ||
| Age 25–42 years | 1.58 (1.03 to 2.42) | 0.10 (0.00–0.19) |
| Age 43–54 years | 0.62 (0.32 to 1.18) | −0.04 (−0.16–0.08) |
| Persistent | ||
| Age 25–42 years | 1.43 (0.89 to 2.30) | 0.15 (0.06–0.25) |
| Age 43–54 years | 1.41 (0.79 to 2.51) | 0.11 (−0.02–0.23) |
