Table 3. Stepwise logistic regression analysis for severe pneumonia among children and young people with ≥ 5 days inpatient care and none, n = 5134.

Variables	Beta	OR (95% CI)	P value
Age group (Mean = 3.1)
0~3.1 year	0.915	2.49 (2.19–2.85)	<0.001
>3.1 year		1
Gender
Female		1
Male	0.196	1.22 (1.08–1.38)	0.002
Epilepsy
Yes	1.161	3.19 (2.81–3.63)	<0.001
No		1
Asthma
Yes	1.282	3.60 (2.85–4.58)	<0.001
No		1
Perinatal complications
Yes	0.468	1.60 (1.40–1.82)	<0.001
No		1
GERD
Yes	0.447	1.56 (1.11–2.21)	0.012
No		1
Pressure ulcer
Yes	1.380	3.97 (1.66–9.45)	0.002
No		1