Longitudinal analysis of ear infection and hearing impairment: findings from 6-year prospective cohorts of Australian children

Table 3 Longitudinal analyses of ear infection in preceding wave and subsequent ear infections by indigenous status

		Non-indigenous children - AOR [95% CI] ear infections between wave*
		2/3 years	4/5 years	6/7 years	10/11 years
B cohort
0/1	No	ref	ref	ref
	Yes	7.6 [5.1-11.3]	4.6 [2.9-7.4]	1.9 [1.0-3.7]
2/3	No		ref	ref
2/3	Yes		8.0 [5.5-11.6]	4.1 [2.5-6.8]
4/5	No			ref
	Yes			12.3 [8.0-18.9]
K cohort
4/5	No			ref	ref
4/5	Yes			9.3 [6.8-12.6]	6.5 [4.2-9.9]
6/7	No				ref
6/7	Yes				17.7 [11.2-26.4]
		Indigenous children - AOR [95% CI] reported ear infections between wave*
		2/3 years	4/5 years	6/7 years	10/11 years
B cohort
0/1	No	ref	ref	ref
	Yes	2.8 [0.6-13.1]	4.7 [1.1-20.5]	1.4 [0.09-22.4]
2/3	No		ref	ref
2/3	Yes		9.4 [1.7-51.8]	3.4 [0.39-29.7]
4/5	No			ref
	Yes			25.3 [4.6-139.7]
K cohort
4/5	No			ref	ref
4/5	Yes			9.8 [1.6-59.3]	10.1 [2.4-42.9]
6/7	No				ref
6/7	Yes				17.5 [1.1-287.9]

* Adjusted Odds Ratios (AOR) and 95% Confidence Interval [95% CI]; Confounder variables were sex, employment and school completion of parents, remoteness, and SEIFA economic resource (shown in Table 1).

ISSN: 1471-2431