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Table 1 Demographic and anthropometric characteristics of the Food4Me Proof of Principle (PoP) study and validation study participants

From: How reliable is internet-based self-reported identity, socio-demographic and obesity measures in European adults?

 

Food4Me PoP study participants

Validation study participants

p value

Demographic

 Total (n)a

1607

140

 Sex—female (%)

60.9

56.4

0.719

 Age (years)

39.8 ± 13.1

42.6 ± 13.6

0.018

 Age range (years)

18–79

18–68

Anthropometrics

 Height (cm)

171.1 ± 9.4

170.1 ± 9.1

0.227

 Weight (kg)

74.6 ± 15.8

72.3 ± 14.2

0.089

 BMI (kg m−2)

25.5 ± 5.2

24.9 ± 3.9

0.173

Weight status categories (%)

 Underweight: BMI < 18.5

2.7

0.7

0.171

 Normal weight: BMI ≥18.5 to ≤24.9

51.2

56.4

0.244

 Overweight: BMI ≥25 to ≤29.9

30.3

30.7

0.926

 Obese: BMI ≥ 30.0

15.8

12.2

0.252

  1. Data represent mean ± SD for continuous variables and percentages for categorical variables. Differences for continuous variables were analysed using independent t test, and Chi-square test for categorical variables
  2. aSex and age were verified by teleconference in an additional 21 participants in The Netherlands