Table 3.
Risk factors for positive skin prick test (SPT) and elevated specific IgE in 2009 expressed as odds ratios (OR) with 95% confidence intervals (CI) calculated by multiple logistic regression analysis
| |
SPT |
Specific IgE |
||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Any pollen |
Any animal |
Any SPT |
Any pollen |
Any animal |
Any IgE |
|||||||
| Independent variable | OR | 95% CI | OR | 95% CI | OR | 95% CI | OR | 95% CI | OR | 95% CI | OR | 95% CI |
| Age |
|
|
|
|
|
|
|
|
|
|
|
|
| 20-29 y |
1 |
- |
1 |
- |
1 |
- |
1 |
- |
1 |
- |
1 |
- |
| 30-39 y |
0.48 |
0.23-1.00 |
0.57 |
0.27-1.19 |
0.55 |
0.26-1.14 |
0.44 |
0.20-0.95 |
0.93 |
0.40-2.13 |
0.55 |
0.26-1.17 |
| 40-49 y |
0.54 |
0.27-1.07 |
0.69 |
0.35-1.36 |
0.67 |
0.34-1.33 |
0.49 |
0.24-0.98 |
0.96 |
0.45-2.06 |
0.62 |
0.31-1.22 |
| 50-60 y |
0.31 |
0.15-0.62 |
0.46 |
0.23-0.91 |
0.39 |
0.20-0.77 |
0.29 |
0.14-0.60 |
0.65 |
0.29-1.44 |
0.39 |
0.19-0.78 |
| >61 y |
|
|
|
|
|
|
0.10 |
0.05-0.25 |
0.32 |
0.13-0.74 |
0.20 |
0.10-0.40 |
| Male sex |
1.38 |
0.88-2.14 |
1.69 |
1.09-2.63 |
1.51 |
1.00-2.29 |
1.30 |
0.85-2.01 |
1.40 |
0.90-2.19 |
1.30 |
0.90-1.87 |
| Family history of allergy |
3.16 |
2.01-4.97 |
3.26 |
2.07-5.12 |
3.12 |
2.02-4.83 |
2.68 |
1.72-4.20 |
3.13 |
1.98-4.94 |
2.68 |
1.80-3.97 |
| Ever smoked |
0.89 |
0.57-1.39 |
0.79 |
0.51-1.23 |
0.93 |
0.62-1.42 |
0.69 |
0.44-1.06 |
0.78 |
0.50-1.22 |
0.79 |
0.55-1.14 |
| Urban living |
1.58 |
0.95-2.64 |
1.56 |
0.94-2.60 |
1.66 |
1.03-2.66 |
1.79 |
1.06-3.03 |
1.14 |
0.69-1.88 |
1.54 |
1.00-2.36 |
| Urban living in childhood |
0.90 |
0.56-1.43 |
1.06 |
0.67-1.68 |
1.08 |
0.70-1.67 |
1.05 |
0.66-1.67 |
0.87 |
0.54-1.41 |
0.87 |
0.58-1.31 |
| Furry animals in childhood | 0.81 | 0.51-1.28 | 0.80 | 0.51-1.25 | 0.82 | 0.53-1.26 | 0.96 | 0.60-1.49 | 0.62 | 0.39-0.99 | 0.79 | 0.53-1.18 |