Table 3.

Predictors for recurrent episodes of acute otitis media (N = 283,084 ).

	Recurrence		Adjusted odds ratio
	n	%	Estimate	95% CI
Age (years)
0-2	17,627	40.6	1.00
3-5	42,983	37.7	0.87	(0.85-0.89)
6-12	33,226	26.4	0.51	(0.50-0.52)
Gender
Male	52,577	34.0	1.00
Female	41,259	32.1	0.92	(0.91-0.94)
Place of treatment
Clinics	69,010	33.2	1.00
Hospital
Medical center	7,198	33.2	0.95	(0.92-0.98)
District hospital	10,844	32.3	0.90	(0.88-0.93)
Regional hospital	6,784	33.9	0.97	(0.94-1.00)
Specialty of attending physician
Others	12,496	29.5	1.00
Ear, nose, and throat	30,640	33.6	1.25	(1.21-1.28)
Pediatrics	44,861	34.2	1.16	(1.13-1.18)
Family medicine	4,601	33.0	1.08	(1.03-1.13)
Internal medicine	1,177	30.1	1.06	(0.99-1.14)
Surgery	61	31.0	1.18	(0.87-1.60)
Total	93,836	33.1