Sugar-Sweetened Beverage Intake Trends in US Adolescents and Their Association with Insulin Resistance-Related Parameters

Table 1

Characteristics of US adolescents aged 12–19 years: NHANES III (1988–1994) and complete NHANES 1999–2004 cohorts.

	NHANES III	NHANES III
	Phase I	Phase II	NHANES	NHANES	NHANES	NHANES III	NHANES
	1988–1991	1991–1994	1999-2000	2001-2002	2003-2004	1988–1994	1999–2004
Number of Participants (n)	1531	1703	2308	2417	2242	3234	6967
Age in years (mean)	15.7	15.2	15.4	15.5	15.4	15.4	15.5
Sex (%)
Male	50.9	50.6	51.5	50.6	51.1	50.7	51.1
Female	49.1	49.4	48.5	49.4	48.9	49.3	48.9
Race/ethnicity (%)
Non-Hispanic white	66.9	65.1	56.8	63.8	64.9	66.0	62.1
Non-Hispanic black	15.4	15.6	14.9	13.9	15.7	15.5	14.8
Mexican American	8.2	8.3	13.0	9.0	11.1	8.3	10.9
Other race–including multiracial	4.8	4.8	7.3	5.3	3.6	4.8	5.3
Other Hispanic	4.7	6.2	8.0	8.0	4.7	5.4	6.9