Table 2.

Proportion (95% Confidence Interval) of hearing aid users by socio-demographic characteristics among hearing aid candidates aged 70 years or greater - NHANES 2005–2006 and 2009–2010 (n=601).

	n	%	Proportion (95% CI)
Overall	601	100	33.1 (29.9, 36.5)
Age, years
70–74	152	25.14	24.2 (17.9, 31.9)*
75–79	136	25.15	41.1 (32.8, 49.9)
≥80	313	49.71	33.6 (28.9, 38.6)
Gender
Male	343	48.6	38.2 (32.8, 43.9)*
Female	258	51.4	28.3 (23.6, 33.5)
Race/ethnicity
Non-Hispanic White	465	87.29	35.4 (31.9, 39.2)*
Non-Hispanic Black, Hispanic, other race, or multiracial	136	12.71	17.1 (10.0, 27.9)
Marital status‡
Married/cohabitating	309	53.5	34.7 (29.5, 40.3)
Divorced/separated	44	6.2	17.5 (6.5, 39.1)
Widowed	228	40.3	32.2 (26.1, 38.9)
Educational attainment
< High school	235	34.15	26.4 (22.4, 30.9)*
High school	149	26.57	31.1 (22.8, 40.8)
> High school	215	39.28	39.9 (33.0, 47.3)
Family Size
1	206	34.77	32.0 (25.6, 39.3)
2	296	51.50	34.0 (29.2, 39.2)
3 or more	99	13.73	32.4 (22.2, 44.5)
Income-to-poverty ratio quintile
0–1.32	154	21.77	21.7 (15.5, 29.4)*
>1.32–2.02	129	23.07	26.5 (18.2, 36.9)
>2.02–2.80	106	21.45	36.9 (25.3, 50.2)
>2.80–4.37	82	17.58	36.9 (25.4, 50.0)
>4.37	77	16.13	47.8 (35.2, 60.7)
Financial support§
Available	180	73.0	40.9 (33.8, 48.6)*
Unavailable	67	27.0	14.5 (6.9, 28.1)

^†95% CI=95% confidence interval

^‡Excludes 20 persons who never married.

^*p<0.05 chi square test for general association

^§Data available for 2005–2006 only, n=247