Table 4. 10–11-year-old boys–summary of body mass index and weight categories using UK90 population thresholdsa by ethnic group before and after ethnic adjustments to BMI in the national child measurement programme (2012–13).
| Ethnic group | N | Median BMI, Kg m−2(LQ−UQ) |
10–11-year-old boys prevalence, % (95 CI) |
Overweight-obese | |||
|---|---|---|---|---|---|---|---|
| Underweight | Healthy | Overweight | Obese | ||||
| Before BMI adjustment | |||||||
| White | 160 278 | 17.8 (16.3–20.1) | 0.9 (0.8–0.9) | 66.3 (66.1–66.5) | 14.1 (14.0–14.3) | 18.7 (18.5–18.9) | 32.8 (32.6–33.1) |
| Black | 11 347 | 18.5 (16.7–21.4) | 0.9 (0.7–1.1) | 56.9 (56.0–57.8) | 15.4 (14.8–16.1) | 26.8 (26.0–27.6) | 42.2 (41.3–43.1) |
| Black African | 6172 | 18.6 (16.7–21.4) | 1.0 (0.8–1.3) | 55.8 (54.6–57.1) | 15.9 (15.0–16.8) | 27.2 (26.1–28.3) | 43.1 (41.9–44.4) |
| Black Caribbean | 2971 | 18.3 (16.7–21.3) | 0.6 (0.3–0.9) | 58.5 (56.7–60.2) | 14.6 (13.3–15.9) | 26.3 (24.7–27.9) | 40.9 (39.2–42.7) |
| Black–Other | 2204 | 18.5 (16.7–21.2) | 1.0 (0.6–1.5) | 57.6 (55.6–59.7) | 15.1 (13.6–16.6) | 26.2 (24.4–28.1) | 41.3 (39.3–43.4) |
| South Asian | 19 406 | 18.3 (16.0–21.4) | 3.6 (3.4–3.9) | 54.6 (53.9–55.3) | 14.8 (14.3–15.3) | 27.0 (26.4–27.6) | 41.8 (41.1–42.5) |
| South Asian–Indian | 5817 | 18.1 (15.9–21.1) | 4.6 (4.0–5.1) | 55.9 (54.6–57.2) | 14.8 (13.9–15.7) | 24.7 (23.6–25.8) | 39.5 (38.3–40.8) |
| South Asian–Pakistani | 9675 | 18.3 (16.0–21.4) | 3.8 (3.5–4.2) | 54.9 (53.9–55.9) | 14.5 (13.8–15.2) | 26.7 (25.9–27.6) | 41.2 (40.2–42.2) |
| South Asian–Bangladeshi | 3914 | 18.8 (16.3–22.0) | 1.8 (0.3–0.6) | 51.8 (50.2–53.4) | 15.4 (14.2–16.5) | 31.0 (29.6–32.5) | 46.4 (44.8–48.0) |
| Other Asian | 4325 | 18.4 (16.3–21.3) | 2.4 (1.9–2.8) | 55.2 (53.7–56.7) | 15.8 (14.8–16.9) | 26.6 (25.3–27.9) | 42.4 (41.0–43.9) |
| Other ethnicity | 12 914 | 18.2 (16.4–20.9) | 1.0 (0.9–1.2) | 60.1 (59.3–60.9) | 15.2 (14.6–15.9) | 23.6 (22.9–24.4) | 38.9 (38.0–39.7) |
| Unknown | 40 513 | 17.9 (16.3–20.4) | 1.0 (0.9–1.1) | 64.3 (63.8–64.8) | 14.5 (14.2–14.9) | 20.1 (19.7–20.5) | 34.7 (34.2–35.1) |
| Overall | 248 783 | 17.9 (16.3–20.4) | 1.1 (1.1–1.2) | 64.1 (63.9–64.3) | 14.4 (14.3–14.5) | 20.4 (20.2–20.5) | 34.7 (34.6–34.9) |
| After BMI adjustment b | |||||||
| White | |||||||
| Black | 17.6 (16.0–21.1) | 2.1 (1.8–2.4) | 66.0 (65.1–66.9) | 13.4 (12.8–14.0) | 18.5 (17.8–19.2) | 31.9 (31.0–32.8) | |
| Black African | 17.7 (16.0–20.1) | 2.2 (1.8–2.6) | 65.6 (64.4–66.8) | 13.5 (12.7–14.4) | 18.7 (17.7–19.7) | 32.2 (31.0–33.4) | |
| Black Caribbean | 17.4 (16.0–20.0) | 1.7 (1.2–2.2) | 66.3 (64.6–68.0) | 13.0 (11.8–14.2) | 18.9 (17.5–20.4) | 31.9 (30.3–33.6) | |
| Black–Other | 17.5 (16.0–20.0) | 2.4 (1.7–3.0) | 66.7 (64.7–68.6) | 13.7 (12.3–15.1) | 17.3 (15.7–18.9) | 31.0 (29.1–32.9) | |
| South Asian | 19.4 (17.1–22.6) | 0.4 (0.3–0.5) | 47.5 (46.8–48.2) | 16.7 (16.2–17.3) | 35.4 (34.7–36.1) | 52.1 (51.4–52.9) | |
| South Asian–Indian | 19.2 (17.0–22.2) | 0.4 (0.2–0.5) | 49.5 (48.3–50.8) | 16.8 (15.9–17.8) | 33.3 (32.1–34.5) | 50.1 (48.8–51.4) | |
| South Asian–Pakistani | 19.4 (17.1–22.5) | 0.5 (0.3–0.6) | 48.1 (47.1–49.1) | 16.4 (15.7–17.2) | 35.0 (34.1–36.0) | 51.5 (50.5–52.5) | |
| South Asian–Bangladeshi | 19.9 (17.5–23.1) | 0.2 (0.0–0.3) | 42.9 (41.3–44.4) | 17.4 (16.2–18.6) | 39.5 (38.0–41.1) | 56.9 (55.4–58.5) | |
| Other Asian | |||||||
| Other ethnicity | |||||||
| Unknown | |||||||
| Overall | 17.9 (16.4–20.4) | 0.9 (0.9–1.0) | 64.0 (63.8–64.2) | 14.5 (14.3–14.6) | 20.6 (20.5–20.8) | 35.1 (34.9–35.3) | |
a
Population thresholds: underweight: ⩽2nd centile, healthy: >2nd and <85th centiles, overweight: ⩾85th centile, obese: ⩾95th centile Overweight-obese: ⩾85th centile.
b
Only ethnic groups affected by the BMI adjustments presented.