Table 5.

Independent predictors of deafness/partial hearing loss in the whole population

Characteristic	Regression 1		Regression 2 (including the interaction term: age × co-occurring intellectual disabilities and autism)
	OR	95% CI	OR	95% CI
Not present (reference)	–	–	–	–
Co-occurring intellectual disabilities and autism	11.33	10.43 to 12.31	22.00	19.20 to 25.21
Gender
Male (reference)	–	–	–	–
Female	0.69	0.68 to 0.69	0.69	0.68 to 0.69
Age
0–15 (reference)	–	–	–	–
16–24	1.56	1.50 to 1.62	1.59	1.52 to 1.65
25–34	2.36	2.27 to 2.45	2.41	2.32 to 2.50
35–44	4.24	4.10 to 4.38	4.35	4.20 to 4.50
45–54	8.55	8.29 to 8.82	8.77	8.50 to 9.05
55–64	18.76	18.20 to 19.34	19.24	18.66 to 19.85
65+	69.65	67.63 to 71.72	71.38	69.27 to 73.55
Age × both intellectual disabilities and autism (years)
0–15 (reference)	–	–	–	–
16–24	–	–	0.63	0.51 to 0.79
25–34	–	–	0.74	0.57 to 0.95
35–44	–	–	0.39	0.30 to 0.52
45–54	–	–	0.29	0.22 to 0.38
55–64	–	–	0.22	0.16 to 0.29
65+	–	–	0.22	0.17 to 0.30
Constant
–	0.01	–	0.01	–