Associations between current rhinitis and Categorized Score identified in reduced multiple models.

aCalculated by multiple logistic regression, odds ratios were adjusted for gender and current smoking.bCalculated by multi-nominal regression, odds ratios were adjusted for gender and current smoking.cCategorized Score: by adding numbers of indoor environment risk factors, separately as score category 0 (0, 1, 2, 3 or 4 risk factors out of 13), score category 1 (5 out of 13), score category 2 (6 out of 13), score category 3 (7 out of 13) and score category 4 (8 or more out of 13).