Table 2
Association between respiratory symptoms related to work and various independent variables in the study population of trainee bakers
| Independent variables | OR | 95% CI |
| History of allergic disease | 5.8 | 1.8 to 18.2 |
| Skin sensitisation to wheat or α-amylase | 4.3 | 1.2 to 14.9 |
| Exposure to wheat outside school | 3.3 | 0.8 to 13.7 |
| Drug treatment for allergic disease | 2.4 | 0.8 to 7.7 |
| Atopy (prick test) | 1.1 | 0.3 to 3.8 |
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Odds ratios (ORs) are derived from multivariate marginal logistic regression analysis using the generalised estimating equation approach to longitudinal data: 95% CIs were obtained from robust variance estimates.
