Table 3 Risk factor analysis of asthma, rhinoconjunctivitis, and eczema.
Characteristics (n = 1202) | Number (%) | Asthma, aORa (95% CI) | Rhinoconjunctivis aORa (95% CI) | Eczema, aORa (95% CI) | ||
|---|---|---|---|---|---|---|
Demographics | ||||||
Sex | Male | 610 (50.8) | 1.05 (0.62–1.78) | 1.11 (0.78–1.60) | 1.60 (0.99–2.58) | |
Female | 592 (49.3) | 1.00 | 1.00 | 1.00 | ||
Perinatal information | ||||||
Birthweight | ||||||
<2500 g | 27 (2.3) | 2.93 (0.83–10.40) | 1.56 (0.52–4.68) | 5.12 (1.92–13.64) | ||
>=2500 g | 1175 (97.8) | 1.00 | 1.00 | 1.00 | ||
Family history | ||||||
(n = 1201) | Maternal history of asthma and allergic diseases | |||||
Yes | 96 (8.0) | 2.38 (1.14–4.93) | 1.79 (1.01–3.18) | 2.31 (1.21–4.41) | ||
No | 1105 (92.0) | 1.00 | 1.00 | 1.00 | ||
(n = 1191) | Paternal history of asthma and allergic diseases | |||||
Yes | 47 (4.0) | 0.74 (0.17–3.20) | 2.38 (1.13–5.04) | 3.48 (1.56–7.77) | ||
No | 1144 (96.1) | 1.00 | 1.00 | 1.00 | ||
Socioeconomic status | ||||||
(n = 1201) | Maternal education level | |||||
College or university | 248 (20.6) | 2.51 (0.77–8.16) | 0.92 (0.49–1.74) | 0.90 (0.39–2.09) | ||
High school | 399 (33.2) | 2.37 (0.77–7.27) | 0.71 (0.39–1.31) | 1.01 (0.47–2.13) | ||
Secondary school | 403 (33.5) | 1.88 (0.62–5.72) | 0.66 (0.36–1.22) | 0.78 (0.37–1.64) | ||
No or primary school | 152 (12.7) | 1.00 | 1.00 | 1.00 | ||
Environmental status | ||||||
Number of siblings | ||||||
3+ | 33 (2.8) | 2.34 (0.47–11.60) | NAb | 1.40 (0.36–5.48) | ||
2 | 112 (9.3) | 1.78 (0.61–5.21) | 0.40 (0.14–1.08) | 1.24 (0.51–3.02) | ||
1 | 781 (65.0) | 1.54 (0.75–3.14) | 1.51 (0.95–2.38) | 1.13 (0.63–2.02) | ||
0 | 276 (23.0) | 1.00 | 1.00 | 1.00 | ||
Living in urban communes | ||||||
Yes | 768 (63.9) | 1.20 (0.66–2.16) | 0.88 (0.60–1.30) | 1.43 (0.84–2.45) | ||
No | 434 (36.1) | 1.00 | 1.00 | 1.00 | ||
Smoker(s) in household | ||||||
Yes | 685 (57.0) | 0.89 (0.52–1.52) | 1.05 (0.72–1.52) | 1.46 (0.89–2.39) | ||
No | 517 (43.0) | 1.00 | 1.00 | 1.00 | ||
