Table 6.

Unadjusted Tests of Linear Trends of High Weight for Length^a and Obesity^b,c by Age, United States, 2003–2012^d

			% (95% CI)			Change 2003–2004 to 2011–2012, Point (95% CI)e	P Valuef
	2003–2004	2005–2006	2007–2008	2009–2010	2011–2012
High weight for length (birth-<2 y)
All	9.5 (7.1 to 12.7)	8.2 (6.1 to 10.9)	9.5 (7.5 to 12)	9.7 (7.6 to 12.3)	8.1 (5.8 to 11.1)	−1.4 (−4.9 to 2.1)	.72
Childhood obesity, 2–19 y
2–19	17.1 (14.6 to 20)	15.4 (12.8 to 18.5)	16.8 (14.3 to 19.7)	16.9 (15.4 to 18.4)	16.9 (14.9 to 19.2)	−0.2 (−3.4 to 3)	.78
2–5	13.9 (10.8 to 17.6)	10.7 (8.5 to 13.3)	10.1 (7.8 to 12.9)	12.1 (9.9 to 14.8)	8.4 (5.9 to 11.6)	−5.5 (−9.6 to −1.4)	.03
6–11	18.8 (16.2 to 21.7)	15.1 (11.3 to 20.1)	19.6 (17.2 to 22.4)	18.0 (16.3 to 19.8)	17.7 (14.5 to 21.4)	−1.1 (−5.2 to 3.0)	.88
12–19	17.4 (14 to 21.3)	17.8 (14.2 to 22)	18.1 (14.7 to 22)	18.4 (15.8 to 21.3)	20.5 (17.1 to 24.4)	3.1 (−1.7 to 7.9)	.20
Adult obesity, ≥20 y
≥20	32.2 (29.7 to 34.8)	34.3 (31.5 to 37.3)	33.7 (31.5 to 36.1)	35.7 (33.8 to 37.7)	34.9 (32 to 37.9)	2.8 (−0.8 to 6.4)	.09
20–39	28.5 (25.3 to 31.9)	29.1 (25 to 33.7)	30.7 (26.6 to 35.1)	32.6 (29 to 36.4)	30.3 (26.6 to 34.4)	1.9 (−2.8 to 6.6)	.20
40–59	36.8 (33 to 40.8)	40.4 (36.1 to 44.7)	36.2 (32.8 to 39.8)	36.6 (34.5 to 38.7)	39.5 (36.1 to 43)	2.7 (−2.1 to 7.5)	.78
≥60	31.0 (28.2 to 33.9)	33.4 (31.1 to 35.9)	35.1 (32.9 to 37.3)	39.7 (36.6 to 42.9)	35.4 (31.3 to 39.6)	4.4 (−0.3 to 9.1)	.004

^aHigh weight for length defined as at or above the 95th percentile on the sex-specific Centers for Disease Control and Prevention (CDC) 2000 growth charts.

^bObesity for youth aged 2 to 19 years defined as body mass index (BMI) at or above the 95th percentile on the CDC sex-specific BMI for age growth charts.

^cObesity in adults defined as BMI ≥30.

^dData from the National Health and Nutrition Examination Survey.

^ePercentage points.

^fFrom the t test.