Table 2. Odd ratios of allergic rhinitis, atopic dermatitis, and asthma history for school performance using multinomial logistic regression analysis with complex sampling.

School Performance		Allergic Rhinitis			Atopic Dermatitis			Asthma
		OR	95% CI	P-value	OR	95% CI	P-value	OR	95% CI	P-value
Unadjusted				<0.001*			<0.001*			<0.001*
	Performance, A	1.59	1.52–1.65		0.94	0.88–1.00		0.79	0.71–0.88
	Performance, B	1.39	1.34–1.44		0.94	0.89–0.99		0.80	0.74–0.88
	Performance, C	1.18	1.14–1.23		0.90	0.85–0.94		0.70	0.64–0.77
	Performance, D	1.09	1.05–1.13		0.98	0.93–1.03		0.83	0.76–0.90
	Performance, E	1.00			1.00			1.00
Model 1†				<0.001*			0.049*			0.002*
	Performance, A	1.46	1.40–1.53		0.98	0.92–1.05		0.84	0.75–0.94
	Performance, B	1.31	1.26–1.37		0.98	0.92–1.04		0.95	0.87–1.05
	Performance, C	1.15	1.11–1.20		0.94	0.89–0.99		0.86	0.79–0.95
	Performance, D	1.09	1.05–1.13		1.00	0.95–1.05		0.95	0.87–1.05
	Performance, E	1.00			1.00			1.00
Model 2‡				<0.001*			0.006*			<0.001*
	Performance, A	1.50	1.43–1.56		0.93	0.87–1.00		0.74	0.66–0.83
	Performance, B	1.33	1.28–1.38		0.94	0.89–0.99		0.87	0.79–0.96
	Performance, C	1.17	1.13–1.22		0.92	0.87–0.97		0.83	0.75–0.91
	Performance, D	1.09	1.05–1.14		0.99	0.94–1.04		0.93	0.85–1.02
	Performance, E	1.00			1.00			1.00

* Significance at P < 0.05.

† Adjusted for age, sex, obesity, region of residence, economic level, educational level of father, educational level of mother, stress level, sleep time, day of physical activity, smoking, and alcohol consumption

‡ Adjusted for model 1 variables plus allergic rhinitis, asthma, and atopic dermatitis history