Table 2. Associations between bacterial and fungal richness (represented as number of observed OTUs) and allergic and non-allergic rhinitis among students (N = 347) in junior high school, Terengganu. Taxonomical classes with the number of OTUs > 200 were included in the analysis. Cyanobacteria were not resolved at the class level, and thus the calculation was conducted at the phylum level. Odds ratio (OR) and 95% confidence interval (CI) were calculated by 3-level hierarchic linear regression models adjusted for gender, smoking and parental asthma. Odds ratio was calculated for 100 OTU increase. P values < 0.05 were formatted with bold font.