Table 4.

Estimated prevalence of hearing loss grade in the US adult population

	Unilateral hearing loss	Mild hearing loss	Moderate hearing loss	Moderately severe hearing loss
No. of participants overall	208	2623	852	281
Participants, N (%)	1.3 (1.0–1.5)	14.4 (13.6–15.2)	3.6 (3.2–4.0)	1.0 (0.8–1.3)
Cycle
1999–2000	22	247	49	13
	1.1 (0.5–1.7)	12.9 (11.0–14.8)	2.3 (1.0–3.5)	0.5 (0.1–0.9)
2001–2002	16	248	49	13
	1.1 (0.7–1.5)	12.4 (10.8–13.9)	2.4 (1.4–3.4)	0.5 (0.2–0.8)
2003–2004	30	240	37	11
	1.5 (0.8–2.2)	12.3 (10.2–14.5)	2.0 (1.1–2.9)	0.4 (0.0–0.9)
2005–2006	2	291	172	80
	0.3 (0.0–0.8)	45.1 (41.4–48.8)	23.7 (20.8–26.6)	11.0 (7.0–15.2)
2009–2010	6	351	245	89
	0.8 (0.3–1.2)	40.8 (37.0–44.7)	29.0 (24.4–33.5)	9.2 (7.5–11.1)
2011–2012	54	439	76	18
	1.3 (0.9–1.7)	12.0 (10.4–13.6)	1.8 (1.2–2.4)	0.5 (0.1–0.8)
2015–2016	70	549	102	23
	1.5 (1.0–1.9)	12.3 (10.7–13.9)	2.1 (1.6–2.6)	0.5 (0.2–0.8)
2017–2018	8	258	122	34
	1.1 (0.1–2.1)	40.8 (36.5–45.1)	18.0 (13.8–22.1)	5.8 (2.7–8.8)
P for trend	0.401	< 0.001	< 0.001	0.003
Age, N (%)
20–29 years	22	50	2	2
	0.7 (0.2–1.2)	2.0 (1.1–2.8)	0.1 (0.0–0.2)	0.0 (0.0–0.1)
30–39 years	28	95	16	2
	1.0 (0.5–1.5)	3.7 (2.8–4.6)	0.6 (0.1–1.0)	0.1 (0.0–0.2)
40–49 years	33	229	25	8
	1.2 (0.6–1.9)	8.9 (7.7–10.2)	1.2 (0.5–1.9)	0.3 (0.0–0.5)
50–59 years	60	500	70	17
	1.9 (1.3–2.6)	22.3 (19.9–24.8)	2.8 (1.8–3.7)	0.7 (0.3–1.2)
60–69 years	49	849	200	49
	1.8 (1.1–2.6)	33.9 (31.0–36.7)	8.3 (6.8–9.9)	1.8 (1.0–2.6)
70–79 years	13	618	260	80
	0.9 (0.3–1.4)	44.6 (41.8–47.4)	17.4 (14.6–20.2)	5.4 (3.7–7.0)
> 80 years	3	282	279	123
	0.4 (0.0–0.9)	36.7 (33.2–40.3)	37.2 (33.7–40.8)	16.0 (12.6–19.5)
P for trend	0.01	< 0.001	< 0.001	< 0.001

P values for trends were calculated using weighted logistic regression models, which included the survey cycle as a continuous variable