Table 2.

Mean BMI and percent overweight and obese in CHNS participants

Age Group	N 4,417	Mean BMI (SD)	Overweight [BMI ≥ 25 (or pediatric equivalent18)]; % (95% CI)	Obesity [BMI ≥ 30 (or pediatric equivalent18)]; % (95% CI)
MALES
7–11* y	211	17.0 (2.9)	12.8 (10.5, 15.1)	3.2 (2.0, 4.4)
12–17* y	205	19.0 (3.4)	11.7 (9.5, 14.0)	1.4 (0.6, 2.2)
Total 7–17 y	416	18.0 (3.4)	12.3 (10.6, 13.9)	2.3 (1.6, 3.0)
18–29 y	374	22.2 (3.5)	20.8 (18.7, 22.9)	2.3 (1.5, 3.1)
30–39 y	611	24.0 (3.5)	31.0 (29.1, 32.9)	4.5 (3.7, 5.3)
40–49 y	857	24.0 (3.3)	35.2 (33.5, 36.8)	4.8 (4.1, 5.5)
50–59 y	973	23.5 (3.2)	29.8 (28.4, 31.3)	3.4 (2.8, 3.9)
60–69 y	659	23.2 (3.4)	30.0 (28.2, 31.7)	3.3 (2.6, 4.0)
≥70 y	431	22.5 (4.0)	22.6 (20.6, 24.6)	4.1 (3.2, 5.0)
Total ≥18 y	3905	23.3 (3.4)	29.5 (28.8, 30.3)	3.8 (3.5, 4.1)

Age Group	N 4,827	Mean BMI (SD)	Overweight [BMI ≥ 25 (or pediatric equivalent18)]; % (95% CI)	Obesity [BMI ≥ 30 (or pediatric equivalent18)]; % (95% CI
FEMALES
7–11 y*	160	16.3 (3.0)	12.2 (9.6, 14.8)	3.0 (1.7, 4.3)
12–17 y*	184	19.0 (3.0)	8.2 (6.2, 10.2)	1.1 (0.3, 1.8)
Total 7–17y	344	18.0 (3.2)	10.1 (8.5, 11.7)	2.0 (1.2, 2.7)
18–29 y	392	21.0 (3.0)	9.4 (8.0, 10.9)	0.8 (0.3, 1.2)
30–39 y	665	23.0 (3.4)	21.7 (20.1, 23.3)	3.9 (3.1, 4.6)
40–49 y	1039	24.0 (3.3)	32.7 (31.2, 34.1)	4.4 (3.8, 5.1)
50–59 y	1098	24.0 (3.3)	36.4 (35.0, 37.9)	4.6 (4.0, 5.2)
60–69 y	697	24.0 (4.0)	36.1 (34.3, 38.0)	5.7 (4.8, 6.6)
≥70 y	519	23.1 (4.0)	28.2 (26.2, 30.2)	5.6 (4.6, 6.5)
Total ≥18 y	4410	23.4 (4.0)	29.9 (29.2, 30.6)	4.4 (4.1, 4.7)

Age Group	N	Mean BMI (SD)	Overweight [BMI ≥ 25 (or pediatric equivalent18)]; % (95% CI)	Obesity [BMI ≥ 30 (or pediatric equivalent18)]; % (95% CI)
TOTAL POPULATION
Pediatric	760	17.7 (3.3)	11.3 (10.1, 12.4)	2.2 (1.6, 2.7)
Adult	8315	23.4 (3.5)	29.7 (29.2, 30.2)	4.1 (3.9, 4.3)

^*7–17 year old age group broken into two categories given variation in growth for children and adolescents