TABLE 1—
Distribution of Demographic Characteristics and Obesity in American Indian and Alaska Native Children: Fiscal Year 2015, United States
| Characteristic | Full Sample, No. (%) | Overweight Definition 1,a % (95% CI) | Overweight Definition 2,b % (95% CI) | Obesity,c % (95% CI) | Class 2 Obesity,d % (95% CI) | Class 3 Obesity,e % (95% CI) |
| Total no. | 206 834 | 99 729 | 38 352 | 61 377 | 24 794 | 8854 |
| Total prevalence | 48.2 (47.6, 48.9) | 18.5 (18.3, 18.8) | 29.7 (29.1, 30.3) | 12.0 (11.7, 12.3) | 4.3 (4.1, 4.5) | |
| Age, y | ||||||
| 2–5 | 54 380 (26.3) | 38.3 (37.4, 39.2) | 17.5 (17.1, 17.9) | 20.7 (20.1, 21.4) | 4.3 (4.1, 4.5) | 1.0 (0.9, 1.1) |
| 6–11 | 68 547 (33.1) | 49.6 (48.8, 50.4) | 17.9 (17.6, 18.2) | 31.7 (30.9, 32.4) | 13.0 (12.5, 13.5) | 4.4 (4.1, 4.6) |
| 12–19 | 83 907 (40.6) | 53.5 (52.8, 54.2) | 19.7 (19.4, 20.0) | 33.8 (33.2, 34.5) | 16.1 (15.7, 16.6) | 6.3 (6.0, 6.6) |
| Sex | ||||||
| Female | 105 723 (51.1) | 48.1 (47.4, 48.8) | 20.2 (19.9, 20.5) | 27.9 (27.3, 28.5) | 11.0 (10.7, 11.4) | 3.9 (3.7, 4.1) |
| Male | 101 111 (48.9) | 48.3 (47.6, 49.0) | 16.8 (16.5, 17.0) | 31.5 (30.9, 32.2) | 13.0 (12.6, 13.4) | 4.7 (4.5, 4.9) |
| IHS region | ||||||
| Alaska | 11 159 (5.4) | 46.8 (44.6, 49.1) | 20.8 (19.9, 21.7) | 26.0 (24.2, 27.8) | 8.9 (8.0, 9.8) | 3.1 (2.7, 3.4) |
| California | 12 745 (6.2) | 47.9 (46.5, 49.3) | 18.3 (17.6, 19.1) | 29.6 (28.4, 30.8) | 12.5 (11.7, 13.3) | 4.7 (4.1, 5.3) |
| Northwest | 11 628 (5.6) | 52.3 (50.5, 54.2) | 20.3 (19.5, 21.1) | 32.0 (30.4, 33.6) | 12.5 (11.6, 13.5) | 4.4 (3.9, 4.9) |
| Southwest subregion 1 | 40 905 (19.8) | 46.5 (45.5, 47.5) | 18.6 (18.1, 19.0) | 27.9 (27.1, 28.8) | 10.1 (9.6, 10.6) | 3.1 (2.8, 3.3) |
| Southwest subregion 2 | 31 007 (15.0) | 54.4 (52.9, 56.0) | 18.6 (18.1, 19.1) | 35.9 (34.3, 37.4) | 15.6 (14.5, 16.7) | 5.9 (5.2, 6.7) |
| Southern Plains | 48 534 (23.5) | 43.2 (42.1, 44.3) | 17.1 (16.8, 17.5) | 26.0 (25.1, 26.9) | 10.9 (10.4, 11.5) | 3.9 (3.7, 4.2) |
| Northern Plains | 33 953 (16.4) | 48.4 (47.0, 49.8) | 18.6 (18.2, 19.1) | 29.8 (28.6, 31.0) | 11.9 (11.2, 12.6) | 4.4 (4.0, 4.8) |
| Great Lakes | 9 839 (4.8) | 53.5 (50.4, 56.6) | 19.9 (19.1, 20.7) | 33.6 (30.9, 36.3) | 13.9 (12.5, 15.4) | 5.3 (4.5, 6.1) |
| East | 7 064 (3.4) | 53.3 (51.1, 55.5) | 19.4 (18.6, 20.2) | 33.9 (32.0, 35.9) | 14.7 (13.7, 15.7) | 5.4 (4.8, 6.1) |
Note. CI = confidence interval; IHS = Indian Health Service.
a
Overweight definition 1: body mass index (BMI, kg/m2) ≥ 85th percentile.
b
Overweight definition 2: BMI ≥ 85th but < 95th percentile.
c
Obesity: BMI ≥ 95th percentile, includes class 2 and class 3 obesity.
d
Class 2 obesity: BMI ≥ 120% of the 95th percentile or 35, includes class 3 obesity.
e
Class 3 obesity: BMI ≥ 140% of the 95th percentile or 40.