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Table 3 Obesity prevalence (and 95% CI) according to the measured and self-reported BMI of the FCS versus the self-reported and corrected BMI of the HIS by background variables

From: Correction of self-reported BMI based on objective measurements: a Belgian experience

Background variables

FCS measured

FCS self-reported

HIS self-reported

HIS corrected

 

Total

19.4 (16.6–22.2)

14.1 (11.7–16.5) a

12.8 (11.6–14.0) a

17.4 (16.1–18.8)

Region

Flemish Region

18.2 (14.8–21.6)

11.3 (8.6–13.9) a

11.4 (9.6–13.2) a

16.1 (14.1–18.2)

Brussels Region

14.1 (4.7–23.5)

13.4 (4.1–22.1)

12.1 (10.3–13.8)

15.2 (13.2–17.1)

Walloon Region

23.5 (18.0–28.9)

19.7 (14.6–24.8)

15.5 (13.5–17.4) a

20.4 (18.3–22.6)

Gender

Males

18.6 (14.8–22.3)

14.0 (10.7–17.3)

12.7 (11.0–14.5) a

15.9 (14.0–17.8)

Females

20.3 (16.1–24.4)

14.2 (10.6–17.8)

12.9 (11.3–14.4) a

18.9 (17.0–20.8)

Education

Low level

26.8 (22.0–31.5)

19.0 (14.9–23.1)

17.1 (15.3–18.9) a

22.1 (20.1–24.0)

High level

13.8 (10.5–17.1)

10.4 (7.5–13.2)

7.9 (6.4–9.5) a

12.2 (10.3–14.0)

Age group

18–34 years

12.4 (8.3–16.6)

9.2 (5.5–13.0)

7.8 (5.9–9.6)

10.1 (8.1–12.1)

35–50 years

20.8 (16.0–25.5)

17.6 (13.0–22.1)

13.3 (11.3–15.3) a

18.2 (16.0–20.4)

51–64 years

25.0 (19.4–30.6)

14.9 (10.7–19.1) a

17.8 (15.5–20.2)

24.6 (21.9–27.3)

  1. aSignificantly different from FCS measured