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Table 1 Prevalence of wheeze, breathlessness, rhinitis and rhinoconjunctivitis among students (N = 1332) in urban and rural high schools in Shanxi, China. p values were calculated by Chi-square test. Significant p values (p < 0.05) were formatted with bold font

From: Indoor bacterial, fungal and viral species and functional genes in urban and rural schools in Shanxi Province, China–association with asthma, rhinitis and rhinoconjunctivitis in high school students

Symptoms Number Prevalence (%) Male (%) Female (%) p value Urban (%) Rural (%) p value
Doctor’s diagnosed asthma 12 0.9 1.1 0.5 0.22 1.2 0.2 0.09
Wheeze 83 6.3 7.5 4.6 0.03 7.1 4.1 0.04
Shortness of breath 432 32.4 28.0 37.7 < 0.001 33.5 30.4 0.26
Rhinitis 518 38.9 39.5 38.2 0.63 41.9 32.4 0.001
Rhinoconjunctivitis 199 15.1 15.3 14.8 0.82 15.9 13.3 0.22