Table 2 Linear trend of obesity by age, weighted and age and sex-adjusted prevalence, 2013–2016 in women (N = 32,799).

From: Evolution of the prevalence of obesity in the adult population in France, 2013–2016: the Constances study

 

Adult obesitya % (95 CI)

  

2013

N = 5966

2014

N = 8223

2015

N = 8468

2016

N = 10,142

Points of change from 2013 to 2016b

p value of change from 2013 to 2016c

p value of linear trend testd

18–29 (N = 4690)

5.59 (3.70–7.48)

7.46 (5.48–9.43)

9.65 (7.32–11.97)

8.30 (6.44–10.16)

2.71 (0.06–5.36)

0.037

0.017

30–39 (N = 7235)

12.95 (9.92–15.99)

12.89 (10.50–15.28)

10.64 (8.46–12.82)

12.27 (10.35–14.19)

 − 0.68 (–4.27–2.91)

0.70

0.45

40–49 (N = 7815)

15.69 (12.55–18.82)

18.07 (15.62–20.52)

13.96 (11.68–16.24)

17.00 (14.68–19.31)

1.31 (− 2.59–5.20)

0.51

0.97

50–59 (N = 7067)

17.75 (14.34–21.16)

21.34 (18.30–24.38)

17.04 (14.57–19.50)

18.44 (15.80–21.08)

0.69 (− 3.63–5.01)

0.75

0.74

60–69 (N = 5992)

20.77 (16.90–24.65)

20.76 (17.49–24.02)

16.99 (14.28–19.69)

19.46 (16.75–22.17)

 − 1.31 (− 6.04–3.42)

0.58

0.30

  1. aAdult obesity defined as BMI ≥ 30 kg/m2.
  2. bPercentage point.
  3. cFrom the t-test of the change from 2013 to 2016.
  4. dFrom the coefficients of orthogonal polynomials corresponding to linear contrast.
  5. Age and sex-adjusted by the raking ratio method using the Insee data and age groups 18–29, 30–39, 40–49, 50–59, and 60–69 years.
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