Table 6.

Adjusted prevalence rate ratios (aPRRs) for lifetime concussion/head injury among adolescents 13–17 y by sociodemographic characteristics

	2016 NSCH		2016 NHIS		2016 MTF
	(n = 17,145)		(n = 3200)		(n = 10,985)
	aPRR	95% CI	aPRR	95% CI	aPRR	95% CI
Age
13–15 y (referent)	1.00		1.00		1.00
16–17 y	1.22	0.99–1.44	1.47	1.14–1.90	1.18	1.02–1.39
Sex
Male (referent)	1.00		1.00		1.00
Female	0.79	0.64–0.94	0.67	0.52–0.88	0.60	0.54–0.68
Race/ethnicity
White, non-Hispanic (referent)	1.00		1.00		1.00
Hispanic	0.66	0.42–0.89	0.46	0.30–0.72	0.68	0.54–0.87
Black, non-Hispanic	0.46	0.27–0.64	0.66	0.42–1.04	0.61	0.47–0.78
Other, non-Hispanic	0.72	0.47–0.97	0.38	0.23–0.64	0.82	0.68–0.99
Parental education attainment
Less than high school	0.58	0.02–1.13	0.90	0.55–1.48	0.75	0.55–1.03
High school diploma	0.61	0.43–0.78	0.80	0.52–1.21	0.89	0.70–1.11
Some college	0.82	0.64–1.00	1.09	0.82–1.45	0.78	0.65–0.94
College degree or higher (referent)	1.00		1.00		1.00
Household primary language*
English	1.00		1.00		1.00
Non-English (referent)	0.17	0.04–0.30	0.87	0.46–1.64	0.90	0.73–1.11

Bolded values indicate statistical significance.

^*In the NHIS, this was approximated by the language the interview was conducted in. In the MTF, this was ascertained by asking “What was the first language you spoke when you were a child (English/Spanish/Other)?”