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Table 2 Characteristics at baseline and weight change from baseline to follow-up

From: The association between adverse life events and body weight change: results of a prospective cohort study

 

Total study population (n = 2789)

Participants who reported an adverse life event (n = 1503)

Participants who did not report one or more adverse life events (n = 1286)

p b

Age (mean, SD)

38.9 (9.8)

39.0 (9.9)

38.8 (9.7)

0.46

Gender (% men)

47%

45%

49%

0.03

Educational level:

   

0.17

- lower (%)

56%

54%

58%

 

- middle (%)

24%

24%

24%

 

- higher (%)

20%

22%

19%

 

Current smoker (%)

32%

33%

31%

0.29

Number of life events (mean, SD)

1.0 (1.2)

1.8 (1.1)

-

-

Highest impact (mean, SD)

3.1 (0.8)a

3.1 (0.8)

-

-

Highest adaptation (mean, SD)

1.7 (0.8)a

1.7 (0.8)

-

-

BMI (kg/m2) (mean, SD)

24.2 (3.2)

24.2 (3.2)

24.3 (3.2)

0.39

Overweight (≥25 kg/m2) (%)

38%

37%

38%

0.60

Mean weight change (kg) (mean, SD)

2.8 (4.7)

2.9 (4.8)

2.7 (4.6)

0.24

Absolute weight change (kg) (mean, SD)

4.1 (3.6)

4.2 (3.8)

4.0 (3.5)

0.21

* >5% gain (mean kg,%)

39%

39%

38%

0.26

* -5 to 5% change (mean kg,%)

56%

54%

57%

 

* >5% loss (mean kg,%)

6%

6%

6%

 
  1. aThe average highest impact and adaptation scores were 'only’ calculated for the participants with an adverse life event.
  2. bthe p-value is derived from an independent t-test or Chi-square test to test the difference between those who reported an adverse life event versus those who did not report an adverse life event.