Table 2. 4–5-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) |
4–5-year-old boys prevalence, % (95% CI) |
Overweight-obese | |||
|---|---|---|---|---|---|---|---|
| Underweight | Healthy | Overweight | Obese | ||||
| Before BMI adjustment | |||||||
| White | 197 691 | 16.0 (15.3–16.9) | 0.7 (0.6–0.7) | 76.3 (76.1–76.5) | 14.1 (13.9–14.2) | 8.9 (8.8–9.1) | 23.0 (22.8–23.2) |
| Black | 14 468 | 16.2 (15.3–17.3) | 1.1 (0.9–1.3) | 68.1 (67.3–68.8) | 14.9 (14.4–15.5) | 15.9 (15.3–16.5) | 30.8 (30.1–31.6) |
| Black African | 9.003 | 16.3 (15.4–17.4) | 1.1 (0.8–1.3) | 65.8 (64.8–66.7) | 15.8 (15.0–16.5) | 17.4 (16.6–18.2) | 33.2 (32.2–34.2) |
| Black Caribbean | 2838 | 16.0 (15.2–17.0) | 0.9 (0.6–1.3) | 74.3 (72.7–76.0) | 13.2 (12.0–14.5) | 11.5 (10.3–12.7) | 24.7 (23.1–26.3) |
| Black–other | 2627 | 16.2 (15.3–17.2) | 1.6 (1.1–2.0) | 69.1 (67.4–70.9) | 14.0 (12.7–15.3) | 15.3 (13.9–16.7) | 29.3 (27.6–31.1) |
| South Asian | 23 191 | 15.5 (14.6–16.6) | 4.3 (4.1–4.6) | 76.3 (75.8–76.9) | 8.3 (8.0–8.7) | 11.0 (10.6–11.4) | 19.3 (18.8–19.9) |
| South Asian–Indian | 7474 | 15.3 (14.4–16.3) | 6.1 (5.5–6.6) | 77.6 (76.7–78.6) | 7.1 (6.6–7.7) | 9.2 (8.5–9.8) | 16.3 (15.5–17.1) |
| South Asian–Pakistani | 11 502 | 15.5 (14.7–16.6) | 3.7 (3.3–4.0) | 75.9 (75.1–76.7) | 9.1 (8.5–9.6) | 11.4 (10.8–12.0) | 20.4 (19.7–21.2) |
| South Asian −Bangladeshi | 4215 | 15.6 (14.7–16.7) | 3.1 (0.1–0.2) | 75.2 (73.9–76.5) | 8.5 (7.7–9.4) | 13.2 (12.2–14.2) | 21.8 (20.5–23.0) |
| Other Asian | 6184 | 15.7 (14.9–16.8) | 2.6 (2.2–3.0) | 75.9 (74.8–76.9) | 10.7 (9.9–11.5) | 10.8 (10.1–11.6) | 21.5 (20.5–22.5) |
| Other ethnicity | 18 832 | 15.9 (15.2–16.9) | 1.2 (1.0–1.3) | 75.4 (74.7–76.0) | 12.9 (12.4–13.4) | 10.6 (10.1–11.0) | 23.5 (22.9–24.0) |
| Unknown | 37 521 | 16.0 (15.2–16.9) | 1.0 (0.9–1.1) | 75.5 (75.1–76.0) | 13.5 (13.1–13.8) | 10.0 (9.7–10.3) | 23.4 (23.0–23.9) |
| Overall | 297 887 | 16.0 (15.2–16.9) | 1.1 (1.1–1.1) | 75.7 (75.6–75.9) | 13.4 (13.3–13.6) | 9.7 (9.6–9.8) | 23.2 (23.0–23.3) |
| After BMI adjustmentb | |||||||
| White | |||||||
| Black | 15.1 (14.4–15.9) | 4.3 (4.0–4.7) | 85.1 (84.5–85.7) | 5.8 (5.4–6.1) | 4.8 (4.4–5.1) | 10.5 (10.0–11.0) | |
| Black African | 15.2 (14.4–16.9) | 4.1 (3.7–4.5) | 84.1 (83.4–84.9) | 6.4 (5.9–6.9) | 5.4 (4.9–5.8) | 11.8 (11.1–12.4) | |
| Black Caribbean | 15.0 (14.3–15.7) | 4.2 (3.4–4.9) | 88.5 (87.4–89.7) | 4.4 (3.6–5.1) | 2.9 (2.3–3.5) | 7.3 (6.3–8.3) | |
| Black–Other | 15.1 (14.4–15.9) | 5.3 (4.4–6.1) | 84.8 (83.5–86.2) | 5.0 (4.2–5.8) | 4.9 (4.0–5.7) | 9.9 (8.7–11.0) | |
| South Asian | 16.6 (15.7–17.7) | 0.2 (0.2–0.3) | 60.4 (59.8–61.1) | 18.4 (17.9–18.9) | 21.0 (20.5–21.5) | 39.4 (38.7–40.0) | |
| South Asian–Indian | 16.4 (15.5–17.5) | 0.3 (0.2–0.4) | 65.2 (64.1–66.3) | 16.7 (15.9–17.5) | 17.8 (16.9–18.7) | 34.5 (33.4–35.6) | |
| South Asian–Pakistani | 16.6 (15.8–17.8) | 0.2 (0.1–0.2) | 58.5 (57.6–59.4) | 19.2 (18.5–19.9) | 22.2 (21.4–23.0) | 41.4 (40.5–42.3) | |
| South Asian–Bangladeshi | 16.7 (15.8–17.9) | 0.2 (0.1–0.4) | 57.4 (55.9–58.9) | 19.1 (18.0–20.3) | 23.3 (22.0–24.5) | 42.4 (40.9–43.9) | |
| Other Asian | |||||||
| Other ethnicity | |||||||
| Unknown | |||||||
| Overall | 16.0 (15.2–16.9) | 0.9 (0.9–1.0) | 75.3 (75.2–75.5) | 13.8 (13.7–13.9) | 10.0 (9.8–10.1) | 23.7 (23.6–23.9) | |
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.