Table 2

Test-retest reliability of the COMPASS weight status and dietary intake measures
N Intraclass correlation Cronbach’s alpha Spearman correlation Kappa/Weighted Kappa
ICC α rho μ (SD)
Weight Status §
 Height (cm) 139 0.96 0.98 0.96 (p < 0.001) -
 Weight (kg) 139 0.99 0.99 0.99 (p < 0.001) -
 Body Mass Index (kg/m2) 139 0.95 0.98 0.95 (p < 0.001) -
Dietary Intake §
 Meat and alternatives (0–5 servings) 178 0.41 0.59 0.42 (p < 0.001) 0.28 (0.04)
 Fruits and vegetables (0–9 servings) 178 0.68 0.81 0.69 (p < 0.001) 0.52 (0.04)
 Milk and alternatives (0–6 servings) 178 0.69 0.83 0.71 (p < 0.001) 0.48 (0.04)
 Grain products (0–9 servings) 178 0.56 0.73 0.57 (p < 0.001) 0.42 (0.05)
Meeting Food Guide Recommendation §
 Meat and alternatives a 178 0.27 0.44 0.28 (p < 0.001) 0.27 (0.07)
 Fruits and vegetables b 178 0.53 0.73 0.58 (p < 0.001) 0.53 (0.12)
 Milk and alternatives c 178 0.54 0.71 0.55 (p < 0.001) 0.54 (0.06)
 Grain products d 178 0.38 0.56 0.39 (p < 0.001) 0.38 (0.12)

§ Self-reported measure at Time 1 and Time 2.

a ≥2 servings for females, ≥3 servings for males.

b ≥7 servings for females, ≥8 servings for males.

c ≥3 servings for females and males.

d ≥6 servings for females, ≥7 servings for males.

Leatherdale and Laxer

Leatherdale and Laxer International Journal of Behavioral Nutrition and Physical Activity 2013 10:42   doi:10.1186/1479-5868-10-42

Open Data