Table 1.
Characteristics of the study cohort.
| BMI-SDS | BMI percentile | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1.3 to <1.8 overweight | 1.8 to <2.3 obesity class I | 2.3 to <2.8 obesity class II | 2.8–3.3 obesity class III | >3.3 obesity class IV | 85th–95th overweight | 100–120% 95th obesity class I | >120–140% 95th obesity class II | >140–160% 95th obesity class III | >160% 95th obesity class IV | |
| Females < 10 y | 798 | 2348 | 2712 | 1389 | 395 | 429 | 3906 | 2501 | 651 | 155 |
| Age [years] | 8.8 (8.0–9.4) | 8.8 (7.8–9.4) | 8.6 (7.6–9.3) | 8.1 (6.8–9.1) | 6.7 (5.7–8.1) | 8.9 (8.0–9.4) | 8.6 (7.5–9.3) | 8.5 (7.2–9.3) | 8.5 (7.3–9.3) | 8.4 (7.1–9.2) |
| BMI [kg/m2] | 21.0 (20.2–21.7) | 23.1 (21.9–24.0) | 25.6 (24.0–26.8) | 28.5 (25.7–30.4) | 30.2 (27.3–34.2) | 20.7 (19.9–21.3) | 23.1 (21.9–24.3) | 26.6 (25.3–27.9) | 30.8 (28.9–32.0) | 35.5 (33.5–37.2) |
| Males < 12 y | 1207 | 4134 | 5476 | 2480 | 550 | 638 | 5877 | 5146 | 1707 | 479 |
| Age [years] | 10.7 (9.6–11.4) | 10.6 (9.5–11.3) | 10.3 (9.0–11.2) | 9.4 (8.0–10.7) | 6.8 (5.8–8.1) | 10.7 (9.4–11.3) | 10.3 (9.1–11.2) | 10.1 (8.7–11.1) | 9.9 (8.5–11.1) | 10.0 (8.1–11.1) |
| BMI [kg/m2] | 22.6 (21.5–23.4) | 25.0 (23.7–26.1) | 28.1 (26.0–29.8) | 31.3 (27.7–34.2) | 30.5 (27.8–35.3) | 22.0 (21.1–22.7) | 24.7 (23.3–26.0) | 28.4 (26.6–29.9) | 32.6 (30.3–34.1) | 37.7 (34.9–40.3) |
| Females 10 to <14 y | 1876 | 5612 | 6843 | 3595 | 871 | 1019 | 8243 | 6555 | 2251 | 729 |
| Age [years] | 12.0 (11.0–13.0) | 12.0 (11.0–13.0) | 12.2 (11.2–13.1) | 12.6 (11.6–13.3) | 13.0 (12.2–13.6) | 12.0 (11.0–13.0) | 12.1 (11.1–13.0) | 12.3 (11.3–13.2) | 12.5 (11.6–13.3) | 12.7 (11.7–13.4) |
| BMI [kg/m2] | 24.0 (23.0–24.8) | 26.6 (25.6–27.6) | 30.1 (29.0–31.3) | 34.7 (33.6–36.3) | 41.3 (40.0–44.0) | 23.4 (22.6–24.2) | 26.8 (25.6–28.2) | 31.2 (29.9–32.6) | 36.1 (34.9–37.6) | 42.1 (40.4–44.6) |
| Males 12 to <16 y | 1751 | 5539 | 7242 | 3403 | 591 | 958 | 7322 | 6697 | 2558 | 991 |
| Age [years] | 13.3 (12.7–14.1) | 13.4 (12.7–14.2) | 13.6 (12.8–14.5) | 14.0 (13.1–15.0) | 15.0 (14.0–15.5) | 13.4 (12.7–14.1) | 13.5 (12.7–14.3) | 13.7 (12.9–14.6) | 13.8 (12.9–14.8) | 14.2 (13.1–15.1) |
| BMI [kg/m2] | 24.9 (24.3–25.6) | 28.0 (27.0–28.9) | 32.0 (30.8–33.4) | 37.4 (36.1–39.4) | 46.2 (44.3–49.0) | 24.4 (23.8–25.0) | 28.0 (26.8–29.2) | 32.5 (31.2–33.9) | 37.4 (36.2–38.8) | 43.9 (42.1–46.8) |
| Females ≥ 14 y | 956 | 2866 | 4424 | 4038 | 2258 | 605 | 4983 | 5241 | 2506 | 1266 |
| Age [years] | 15.4 (14.7–16.5) | 15.3 (14.5–16.4) | 15.3 (14.5–16.4) | 15.5 (14.6–16.6) | 15.7 (14.8–16.6) | 15.7 (14.8–16.9) | 15.3 (14.5–16.3) | 15.3 (14.6–16.4) | 15.6 (14.7–16.7) | 15.9 (14.9–17.0) |
| BMI [kg/m2] | 26.4 (25.7–27.0) | 29.0 (28.2–29.8) | 32.3 (31.2–33.4) | 36.6 (35.2–38.1) | 43.1 (40.9–46.5) | 25.8 (25.4–26.5) | 29.7 (28.4–30.8) | 34.3 (33.0–35.7) | 39.6 (38.1–41.1) | 46.3 (44.1–49.8) |
| Males ≥ 16 y | 100 | 382 | 853 | 1051 | 854 | 66 | 695 | 1120 | 750 | 613 |
| Age [years] | 16.9 (16.3–17.4) | 16.7 (16.3–17.5) | 16.7 (16.3–17.3) | 16.9 (16.4–17.5) | 17.2 (16.6–18.0) | 16.9 (16.3–17.6) | 16.7 (16.3–17.5) | 16.8 (16.3–17.5) | 16.9 (16.4–17.6) | 17.1 (16.6–18.0) |
| BMI [kg/m2] | 26.9 (26.5–27.4) | 29.9 (29.0–30.5) | 33.4 (32.3–34.4) | 38.1 (36.7–39.8) | 46.3 (43.6–50.3) | 26.6 (26.0–26.8) | 30.7 (29.4–31.7) | 35.3 (33.9–36.7) | 40.6 (39.2–42.0) | 48.2 (45.8–52.4) |
Data presented as median and lower/upper quartile range in parentheses.