Table 2.
Weighted Prevalence of Obesity and Extreme Obesity in US Children and Adolescents Aged 2 to 19 Years by Sex, Age, and Race/Hispanic Origin: NHANES 2011–2014
| Weighted Prevalence by Age Group, % (95% CI) | ||||
|---|---|---|---|---|
| 2–19 y | 2–5 y | 6–11 y | 12–19y | |
| Obesity (BMI at or above the sex-specific 95th percentile on the CDC BMI-for-age growth charts) | ||||
| All race/Hispanic origin groupsa | ||||
| Both sexes | 17.0 (15.5–18.6) | 8.9 (7.1–11.0) | 17.5 (15.2–20.1) | 20.5 (17.8–23.5) |
| Males | 16.9 (15.1–19.0) | 9.2 (6.5–12.4) | 17.6 (14.6–20.9) | 20.1 (16.8–23.6) |
| Females | 17.1 (15.1–19.3) | 8.6 (6.2–11.6) | 17.5 (14.9–20.3) | 21.0 (17.3–25.2) |
| Non-Hispanic white | ||||
| Both sexes | 14.7 (12.3–17.3) | 5.2 (3.1–8.3) | 13.6 (9.8–18.3) | 19.6 (14.7–25.3) |
| Males | 14.3 (11.2–17.9) | 6.1 (2.6–12.0)b | 13.0 (9.0–17.9) | 18.7 (13.0–25.7) |
| Females | 15.1 (11.7–19.1) | 4.4 (2.0–8.2) | 14.4 (9.3–20.9) | 20.4 (13.6–28.8) |
| Non-Hispanic black | ||||
| Both sexes | 19.5 (17.1–22.2) | 10.4 (7.5–14.0) | 21.4 (17.5–25.8) | 22.6 (18.0–27.8) |
| Males | 18.4 (16.1–21.0) | 9.0 (4.8–14.9) | 21.2 (16.6–26.5) | 20.9 (16.4–25.9) |
| Females | 20.7 (17.1–24.6) | 11.9 (8.0–16.8) | 21.6 (16.8–27.0) | 24.4 (18.4–31.3) |
| Non-Hispanic Asian | ||||
| Both sexes | 8.6 (6.4–11.2) | 5.0 (1.6–11.3)b,c | 9.8 (6.1–14.9) | 9.4 (6.4–13.2) |
| Males | 11.8 (8.3–16.1) | 4.8 (0.7–15.2)b,c | 14.7 (7.9–24.1) | 12.9 (8.0–19.1) |
| Females | 5.3 (2.9–8.6) | 5.1 (0.9–15.3)b,c | 4.7 (1.6–10.2)b,c | 5.7 (2.7–10.5) |
| Hispanic | ||||
| Both sexes | 21.9 (20.0–23.9) | 15.6 (12.5–19.2) | 25.0 (22.0–28.1) | 22.8 (19.5–26.3) |
| Males | 22.4 (19.9–24.9) | 16.7 (12.0–22.2) | 25.8 (20.7–31.4) | 22.7 (18.7–27.1) |
| Females | 21.4 (18.8–24.1) | 14.6 (9.4–21.2) | 24.1 (19.9–28.7) | 22.8 (18.5–27.7) |
| Extreme obesity (BMI at or above 120% of the sex-specific 95th percentile on the CDC BMI-for-age growth charts) | ||||
| All race/Hispanic origin groupsa | ||||
| Both sexes | 5.8 (4.9–6.8) | 1.7 (1.0–2.7) | 5.6 (4.5–6.9) | 7.8 (6.3–9.6) |
| Males | 5.7 (4.7–6.9) | 1.3 (0.7–2.3) | 5.8 (4.2–7.7) | 7.7 (5.9–9.8) |
| Females | 5.9 (4.7–7.3) | 2.1 (1.0–3.9)b | 5.5 (4.3–6.9) | 8.0 (5.8–10.7) |
| Non-Hispanic white | ||||
| Both sexes | 4.4 (3.2–6.0) | 1.0 (0.2–2.9)b,c | 3.4 (1.6–6.4)b | 6.7 (4.6–9.2) |
| Males | 3.9 (2.5–5.9) | 0.3 (0–2.5)b,c | 3.4 (1.2–7.2)b | 5.9 (3.7–9.0) |
| Females | 5.0 (3.3–7.2) | 1.8 (0.3–5.7)b,c | 3.4 (1.7–6.2) | 7.4 (4.1–12.3) |
| Non-Hispanic black | ||||
| Both sexes | 8.6 (6.8–10.8) | 2.1 (0.7–4.8)b,c | 8.8 (6.5–11.6) | 11.6 (8.5–15.4) |
| Males | 8.4 (6.6–10.4) | 1.9 (0.4–5.5)b,c | 9.3 (5.8–14.1) | 10.7 (7.7–14.3) |
| Females | 8.9 (6.3–12.1) | 2.2 (0.6–5.9)b,c | 8.2 (5.4–11.9) | 12.7 (8.1–18.5) |
| Non-Hispanic Asian | ||||
| Both sexes | 1.3 (0.5–2.8)b | 0.50 (0.01–3.04)b,c | 1.0 (0.2–3.3)b,c | 2.0 (0.6–4.5)b,c |
| Males | 2.2 (0.8–4.7)b,c | 0.99 (0.01–6.18)b,c | 1.4 (0.1–5.8)b,c | 3.3 (0.9–8.6)b,c |
| Females | 0.43 (0.04–1.77)b,c | 0d | 0.6 (0–4.2)b,c | 0.52 (0.01–3.23)b,c |
| Hispanic | ||||
| Both sexes | 7.6 (6.3–9.2) | 3.0 (1.3–5.6)b | 9.3 (7.4–11.5) | 8.8 (6.8–11.2) |
| Males | 8.0 (6.0–10.3) | 3.2 (1.5–6.0)b,c | 9.6 (6.8–13.1) | 9.2 (6.2–13.1) |
| Females | 7.3 (5.4–9.5) | 2.7 (0.6–7.5)b,c | 8.9 (6.3–12.2) | 8.3 (5.7–11.7) |
Abbreviations: BMI, body mass index; CDC, Centers for Disease Control and Prevention; NHANES, National Health and Nutrition Examination Surveys.
a
Includes race/Hispanic origin groups not shown separately.
b
The relative standard errors are greater than 30%.
c
The number of cases is less than 10.
d
The 95% confidence interval cannot be calculated because the number of cases is 0.