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Table 1 Demographic and socioeconomic characteristics of the sample at baseline and 5-year relative weight changea (n = 9222 women and n = 3629 men)

From: Influence of food preparation behaviors on 5-year weight change and obesity risk in a French prospective cohort

 

Women % or mean (SD)

Men % or mean (SD)

P-value2

5-year weight change (%)

1.2 (6.9)

0.6 (5.8)

< 0.0001

BMI classes

  

< 0.0001

 Normal (< 25 kg/m2)

73.1

54.2

 

 Overweight (< 30- ≥ 25 kg/m2)

18.6

36.4

 

 Obese (≥30 kg/m2)

8.3

9.4

 

Education

  

< 0.0001

 Primary

2.9

3.9

 

 Secondary

32.9

35.7

 

 Under-graduate

32.4

22.2

 

 Post-graduate

31.8

38.2

 

Occupation

  

< 0.0001

 Never employed

3.0

1.1

 

 Self-employed

2.5

4.2

 

 Manual worker, office worker

30.4

14.3

 

 Intermediate profession

31.5

24.3

 

 Managerial staff

32.6

56.1

 

Monthly household income per household unit

  

< 0.0001

 Unwilling to answer

9.7

4.7

 

 < 1200 euros

13.0

9.5

 

 1200–1800 euros

39.7

36.4

 

 1801–2700 euros

9.6

11.8

 

 > 2700 euros

28.0

37.6

 

Age

  

< 0.0001

 18–24 years

3.0

1.2

 

 25–34 years

14.0

7.6

 

 35–54 years

44.3

31.1

 

 > 55 years

38.7

60.1

 

Household composition

  

< 0.0001

 Single

17.7

13.5

 

 Couple without child

39.9

53.6

 

 Couple with ≥one child

31.9

24.0

 

 Household without child and with ≥3 adults

10.5

8.9

 

Physical activity level

  

< 0.0001

 Low

31.9

45.3

 

 Moderate

45.7

38.2

 

 High

22.4

16.5

 

Smoking status

  

< 0.0001

 Never-smoker

53.6

41.2

 

 Former smoker

34.3

48.5

 

 Current smoker

12.1

10.3

 

Dieting to lose weight

  

< 0.0001

 Never dieter

17.9

32.1

 

 Former dieter

70.6

61.5

 

 Current dieter

11.5

6.4

 
  1. 2P-value represented the overall significance of each variable (Type 3 analysis of effects)
  2. a5-year relative weight change between 2011 and 2016