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Table 3 Odds ratios and 95% CI for being overweight or obese at 8 years of age according to the BMI SDS at each target age (status) and change in BMI SDS during each period (change) a

From: Important periods of weight development in childhood: a population-based longitudinal study

 

Overweight

Obese

Age, years Age intervals

StatusbOR (95% CI) for being overweight at 8 years per 1 SDS score increase at the target age

ChangecOR (95% CI) for being overweight at 8 years per 1 SDS score increase between target ages

Change and statusdOR (95% CI)

StatusbOR (95% CI) for being obese at 8 years per 1 SDS score increase at target age

ChangecOR (95% CI) for being obese at 8 years per 1 SDS score increase between target ages

Change and statusdOR (95 % CI)

0.00

1.8 (1.6–2.0)

 

1.8 (1.7–2.0)

1.9 (1.5–2.3)

 

1.8 (1.4–2.3)

0.00–0.25

 

1.2 (1.1–1.4)

1.8 (1.6–2.0)

 

1.3 (1.1–1.5)

1.9 (1.5–2.4)

0.25

2.0 (1.8–2.3)

 

1.9 (1.7–2.1)

2.1 (1.7–2.5)

 

1.9 (1.5–2.4)

0.25–0.50

 

3.1 (2.4–4.0)

3.6 (2.7–4.7)

 

2.9 (1.8–4.7)

3.4 (2.0–5.6)

0.50

2.1 (1.9–2.4)

 

1.9 (1.7–2.1)

2.2 (1.8–2.6)

 

1.9 (1.6 –2.4)

0.50–0.75

 

8.5 (5.7–13.0)

6.6 (4.3–10.0)

 

9.4 (4.4–19.9)

7.2 (3.2–10.69)

0.75

2.4 (2.1–2.7)

 

2.5 (2.3–2.9)

2.5 (2.0–3.0)

 

2.7 (2.1–3.3)

0.75–1.00

 

1.6 (0.9–2.6)

10.1 (6.0–11.0)

 

2.4 (0.8–6.6)

16.4 (5.4–40.9)

1.00

2.5 (2.3 – 2.8)

 

2.5 (2.2–2.8)

2.7 (2.2–3.4)

 

2.6 (2.1–3.3)

1.00–1.50

 

2.2 (1.5 3.2)

3.4 (2.3–5.1)

 

3.6 (1.8––7.4)

5.7 (2.7–10.2)

1.50

2.7 (2.4 – 3.0)

 

2.6 (2.3–2.9)

3.1 (2.5–3.9)

 

2.9 (2.3–3.6)

1.50–2.00

 

2.6 (2.0–3.5)

3.2 (2.4–4.3)

 

5.0 (3.0–8.6)

6.57 (3.7–10.2)

2.00

5.8 (5.0–6.8)

 

6.2 (5.3–7.4)

9.4 (7.0–13.0)

 

10.2 (7.4–14.6)

2.00–4.00

 

3.4 (2.8–4.5)

20.7 (19.3–30.7)

 

6.0 (4.2–8.5)

72.7 (40.0–100.4)

4.00

63.8 (45.5–91.5)

 

> 100

> 100 (90.9– > 100)

 

>100

4.00–6.00

 

12.5 (9.4–16.8)

>100

 

11.5 (7.3–18.1)

>100

6.00

>100

 

>100

>100

 

>100

6.00–8.00

 

25.7 (17.4–38.3)

>100

 

23.2 (12.0–45.1)

>100

  1. CI, confidence interval.
  2. aBroken stick model (N = 3172).
  3. bStatus: the risk of being overweight according to the BMI at that age.
  4. cChange: the risk of being overweight according to the BMI change between the status score at the start and the end of an age interval.
  5. dChange-corrected for status: e.g., status at 1 + change from 1 to 1.5.