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Table 1 Characteristics [mean (Standard deviation)] of the participant in the validation study according self-reported diagnosis of depression.

From: Validity of a self-reported diagnosis of depression among participants in a cohort study using the Structured Clinical Interview for DSM-IV (SCID-I)

 

Self-reported diagnosis (n = 62)

No Self-reported diagnosis (n = 42)

p

Age (years)

43.5 (12.4)

42.7 (10.4)

0.96*

Gender

   

   % Women

77.4

61.9

0.09#

Smoking status (%)

   

   Current smoker

27.9

16.7

 

   Non smoker

39.3

50.0

0.37#

   Ex – smoker

32.8

33.3

 

Body Mass Index (Kg/m 2 )

23.3 (4.4)

23.7 (3.5)

0.29*

Physical activity during leisure time

25.3 (25.7)

32.8 (28.6)

 

(METs/h-week)

   

N° questionnaire (%)δ

   

   Baseline

66.1

  

   2-years follow-up

25.8

  

   4-years follow-up

8.1

  
  1. * Mann-Whitney U test.
  2. # Pearson's chi squared test.
  3. δ Self-reported diagnosis of depression can be collected though baseline questionnaire first follow-up questionnaire (2-years follow-up) or second follow-up questionnaire (4-years follow-up).