Table 2.

Estimated population prevalence % (95% CI) of audiometric notches and hearing Loss in US adolescents aged 12 to 19 years, NHANES 2007–2010.

	Audiometric Notches		SFHL		HFHL
	% (SE)	χ2 p value	% (SE)	χ2 p value	% (SE)	χ2 p value
Male, % (SE)	13.9 (1.10)		7.3 (1.68)		14.3 (2.43)
Female, % (SE)	18.2 (1.76)	0.06	5.4 (0.93)	0.33	8.1 (1.21)	0.02
Age
12–15 years, % (SE)	16.2 (1.49)		5.6 (1.12)		10.2 (1.33)
18–19 years, % (SE)	15.8 (1.21)	0.82	7.1 (1.35)	0.32	12.4 (2.44)	0.39
Race/Ethnicity
Non-Hispanic White, % (SE)	16.3 (1.49)		5.6 (1.42)		11.6 (2.29)
Non-Hispanic Black, % (SE)	12.5 (1.45)		7.0 (1.35)		8.9 (1.84)
Mexican-American, % (SE)	18.5 (1.97)	0.07	8.4 (1.54)	0.58	13.8 (1.40)	0.17
Other (Other Hispanic and Other race), % (SE)	15.4 (2.4)		7.4 (1.80)		9.6 (2.36)
Poverty Income ratio
PIR ≤ 1, % (SE)	16.7 (1.97)		6.1 (1.15)		12.2 (1.78)
PIR > 1, % (SE)	15.8 (1.15)	0.69	6.4 (1.15)	0.83	11.0 (1.78)	0.60
Body Weight Status
Obese, % (SE)	24.8 (2.30)		8.5 (1.81)		17.9 (3.22)
Overweight, % (SE)	12.7 (2.16)		8.3 (2.51)		10.3 (2.14)
Underweight, % (SE)	14.7 (7.99)	0.01	3.5 (2.62)	0.15	14.5 (7.14)	0.06
Normal, % (SE)	14.3 (1.37)		5.4 (1.02)		9.4 (1.60)
Ever had 3 or more ear infections, % (SE) YES	16.7 (1.71)		8.7 (1.38)		12.0 (2.06)
Ever had 3 or more ear infections, % (SE) NO	15.6 (1.25)	0.59	5.0 (1.05)	0.02	10.9 (1.52)	0.51
Loud noise exposure for 5 or more hours per week, % (SE) YES	19.5 (3.33)		7.6 (1.66)		16.4 (2.77)
Loud noise exposure for 5 or more hours per week, % (SE) NO	14.8 (1.55)	0.30	5.9 (1.06)	0.35	9.6 (1.49)	0.02
No smokers	12.6 (1.84)		5.0 (1.22)		6.7 (1.38)
Second hand smokers exposure (SHS),	17.9 (1.01)	0.07	5.3 (0.92)	0.19	10.8 (1.60)	0.01
Smokers	15.1 (3.20)		12.6 (4.75)		21.0 (5.30)