Table 2.

Multivariable-adjusted associations between age and respiratory pathogen infections

	Flu A		H1N1		H3N2		Flu B		HPIV		HADV
	aOR	P	aOR	P	aOR	P	aOR	P	aOR	P	aOR
Age(years)	(95%CI)		(95%CI)		(95%CI)		(95%CI)		(95%CI)		(95%CI)
<1	1		1		1		1		1		1
	(reference)		(reference)		(reference)		(reference)		(reference)		(reference)
1-<3	1.142	0.699	1.483	0.336	1.145	0.756	1.621	0.353	1.33	0.251	2.357
	0.582~2.239		0.665~3.309		0.489~2.681		0.585~4.491		0.818~2.163		1.462~3.800
3-<6	1.991	0.015	1.531	0.257	2.513	0.008	4.572	0.001	1.22	0.405	2.214
	1.141~3.437		0.733~3.201		1.277~4.945		1.917~10.904		0.764~1.950		1.404~3.493
≥6	2.013	0.02	4.937	<0.001	1.713	0.148	6.659	<0.001	0.289	0.004	1.661
	1.115~3.633		2.37~10.285		0.826~3.555		2.728~16.257		0.125~0.665		1.005~2.745
p	< 0.001		< 0.001		< 0.001		< 0.001		< 0.001		< 0.001

		HBoV		HRV		HNPV		HCoV		HRSV
	P	aOR	P	aOR	P	aOR	P	aOR	P	aOR	P
Age(years)		(95%CI)		(95%CI)		(95%CI)		(95%CI)		(95%CI)
<1		1		1		1		1		1
		(reference)		(reference)		(reference)		(reference)		(reference)
1-<3	<0.001	4.015	0.005	1.045	0.804	1.558	0.12	0.667	0.597	0.793	0.15
		1.510~10.674		0.737~1.483		0.891~2.724		0.148~2.999		0.579~1.087
3-<6	0.001	3.072	0.025	0.812	0.23	3.22	<0.001	0.928	0.909	0.567	<0.001
		1.152~8.191		0.578~1.141		1.97~5.264		0.259~3.32		0.417~0.770
≥6	0.048	0	0.99	0.726	0.122	0.749	0.462	1.014	0.986	0.138	<0.001
		0~.		0.485~1.089		0.347~1.618		0.224~4.581		0.078~0.243
p		< 0.001		< 0.001		< 0.001		0.467		< 0.001

The age and season were taken into account when adjusting the model. Abbreviations used include InfA for influenza A, H1N1 for influenza A H1N1 virus, H3N2 for seasonal influenza A H3N2 virus, Flu B for influenza B virus, HPIV for parainfluenza virus, HADV for adenovirus, HBoV for bocavirus, HRV for rhinovirus, HNPV for metapneumovirus, HCoV for coronavirus, and HRSV for respiratory syncytial virus