Table 3.
Trends in age-adjusted prevalence of abdominal obesity by waist circumference among US children aged 2–19 y, NHANES 2011–2012 to 2017–2018.
| Variable | Age-adjusted prevalence of abdominal obesity by waist circumference (%) | Absolute Increase a | P for trendb | |||
|---|---|---|---|---|---|---|
| 2011–12 | 2013–14 | 2015–16 | 2017–18 | |||
| Overall | 18.6 (15.5–21.6) | 20.2 (17.6–22.7) | 19.2 (16.2–22.2) | 21.1 (18.9–23.3) | 2.5 | 0.25 |
| Age, y | ||||||
| 2–7 | 14.6 (12.4–16.9) | 17.7 (14.5–20.8) | 16.7 (13.0–20.4) | 18.4 (14.1–22.6) | 3.8 | 0.15 |
| 8–11 | 20.0 (13.9–26.2) | 20.7 (15.5–25.8) | 17.5 (13.5–21.6) | 22.1 (18.1–26.1) | 2.1 | 0.74 |
| 12–19 | 20.7 (16.4–25.0) | 21.8 (17.1–26.5) | 21.8 (17.5–26.2) | 22.4 (19.2–25.7) | 1.7 | 0.51 |
| Gender | ||||||
| Boys | 16.1 (13.0–19.2) | 18.8 (15.7–21.9) | 19.0 (14.7–23.4) | 22.7 (19.6–25.8) | 6.6 | 0.004 |
| Girls | 21.1 (17.3–24.9) | 21.7 (18.6–24.8) | 19.3 (16.6–22.0) | 19.4 (15.5–23.4) | −1.7 | 0.39 |
| RACE/ETHNICITY | ||||||
| Mexican American | ||||||
| All | 24.6 (22.4–26.7) | 26.5 (22.2–30.8) | 27.0 (24.2–29.7) | 27.4 (22.1–32.6) | 2.8 | 0.32 |
| Boys | 24.1 (20.0–28.2) | 23.4 (18.7–28.1) | 27.7 (22.3–33.2) | 28.7 (23.1–34.2) | 4.6 | 0.06 |
| Girls | 25.3 (22.2–28.3) | 29.7 (23.5–36.0) | 26.3 (19.8–32.8) | 25.8 (18.7–32.9) | 0.5 | 0.86 |
| Non-hispanic white | ||||||
| All | 17.4 (12.0–22.7) | 19.3 (15.6–22.9) | 16.6 (13.3–19.9) | 19.1 (15.9–22.2) | 1.7 | 0.83 |
| Boys | 13.5 (8.7–18.3) | 18.3 (13.5–23.0) | 16.9 (11.8–22.0) | 20.8 (15.7–25.9) | 7.3 | 0.06 |
| Girls | 21.5 (14.6–28.5) | 20.4 (15.7–25.0) | 16.2 (12.1–20.4) | 17.2 (10.7–23.6) | −4.3 | 0.22 |
| Non-hispanic black | ||||||
| All | 18.2 (15.3–21.1) | 15.3 (13.1–17.4) | 18.6 (12.6–24.5) | 21.3 (16.1–26.5) | 3.1 | 0.19 |
| Boys | 15.9 (13.4–18.4) | 11.7 (7.8–15.5) | 14.2 (7.8–20.5) | 16.2 (10.7–21.7) | 0.3 | 0.75 |
| Girls | 20.6 (15.4–25.9) | 19.2 (16.4–21.9) | 23.1 (15.5–30.7) | 26.5 (20.2–32.8) | 5.9 | 0.09 |
| Non-hispanic Asian | ||||||
| All | 7.9 (4.5–11.3) | 9.8 (6.2–13.5) | 9.5 (4.9–14.1) | 11.2 (8.2–14.3) | 3.3 | 0.14 |
| Boys | 9.1 (5.6–12.5) | 14.3 (6.2–22.4) | 8.8 (3.4–14.3) | 17.0 (12.2–21.8) | 7.9 | 0.06 |
| Girls | 6.7 (1.3–12.2) | 5.3 (2.7–8.0) | 9.9 (4.2–15.6) | 5.3 (2.6–8.0) | −1.4 | 0.91 |
| Other | ||||||
| All | 20.4 (16.0–24.9) | 24.8 (17.6–31.9) | 24.1 (18.5–29.8) | 23.3 (16.9–29.8) | 2.9 | 0.59 |
| Boys | 21.0 (16.3–25.6) | 23.6 (14.0–33.2) | 26.1 (18.4–33.8) | 29.5 (21.2–37.7) | 8.5 | 0.10 |
| Girls | 19.8 (12.5–27.1) | 26.0 (17.8–34.3) | 21.9 (17.1–26.8) | 17.2 (9.4–24.9) | −2.6 | 0.44 |
a
Absolute increase between NHANES 2011–2012 and NHANES 2017–2018.
b
Time trends in age-adjusted prevalence of abdominal obesity by waist circumference from 2011–2012 to 2017–2018 were examined with a multiple linear regression model, with adjustment for age, gender, and race or ethnicity, when applicable. Bold values indicates that P values.