Table 3.
Association between environmental factors and diagnosis of AD. Significant values at the 5% level are in bold
| Parameter | AD based on questionnaire | AD by doctor diagnosis | ||||
|---|---|---|---|---|---|---|
| OR | 95% CI | Value of p | OR | 95% CI | Value of p | |
| Gender: | ||||||
| Female (n = 10011) | 1.00 | |||||
| Male (n = 8606) | 0.66 | 0.56–0.77 | < 0.001 | 0.91 | 0.73–1.15 | 0.48 |
| Monthly salary (PLN): | ||||||
| < 1500 (n = 2883) | 1.00 | |||||
| 1500–3500 (n = 5965) | 1.12 | 0.88–1.42 | 0.08 | 1.24 | 0.84–1.82 | 0.15 |
| > 3500 (n = 3177) | 1.35 | 1.04–1.74 | 0.05 | 1.45 | 0.96–2.19 | 0.19 |
| Education adults: | ||||||
| Primary (n = 1892) | 1.00 | |||||
| Secondary (n = 4096) | 1.51 | 1.05–2.17 | 0.03 | 0.87 | 0.43–1.76 | 0.69 |
| Higher (n = 3330) | 1.61 | 1.11–2.32 | 0.03 | 1.01 | 0.50–2.03 | 0.83 |
| Education of the mother: | ||||||
| 6–7 year olds: | ||||||
| Primary (n = 1098) | 1.00 | |||||
| Secondary (n = 1874) | 1.25 | 0.87–1.80 | 0.81 | 1.49 | 0.80–2.76 | 0.78 |
| Higher (n = 1511) | 1.62 | 1.13–2.33 | 0.03 | 2.88 | 1.60–5.17 | < 0.001 |
| 13–14 year olds: | ||||||
| Primary (n = 1330) | 1.00 | |||||
| Secondary (n = 2141) | 0.99 | 0.69–1.42 | 0.09 | 2.44 | 1.37–4.35 | < 0.001 |
| Higher (n = 1182) | 1.58 | 1.09–2.30 | 0.03 | 2.46 | 1.32–4.58 | < 0.001 |
| Familial allergy: | ||||||
| Mother allergy | 2.07 | 1.72–2.48 | < 0.001 | 2.19 | 1.68–2.87 | < 0.001 |
| Father allergy | 2.00 | 1.61–2.49 | < 0.001 | 2.36 | 1.74–3.19 | < 0.001 |
| Siblings | 1.84 | 1.55–2.18 | < 0.001 | 1.39 | 1.05–1.84 | 0.01 |
| Moisture in the house | 1.39 | 1.17–1.65 | < 0.001 | 1.21 | 1.09-1.54 | 0.02 |