Table 6. Independent risk factors for CSOM.

Risk factor	Odds ratio (95% CI)	p-value
Sibling with ear discharge in last 12 months	1.8 (0.9–3.6)	0.112
Overcrowding	4.4 (1.7–11.5)	0.002
Respiratory history	5.3 (2.5–11.0)	<0.001
Ear discharge	7.7 (3.9–15.6)	<0.001
Gender	1.0 (0.5–2.0)	0.912
Swimming in local pools	6.0 (1.4–25.4)	0.014
Parental illiteracy	0.5 (0.2–1.5)	0.221

CSOM: chronic suppurative otitis media.