Table 4.
Validity of COMPASS self-reported (S) and objectively measured (M) weight status and dietary intake measures
| |
N |
Intraclass correlation |
Cronbach’s `lpha |
Spearman correlation |
Kappa/Weighted Kappa |
|---|---|---|---|---|---|
| ICC | α | rho | μ (SD) | ||
|
Weight Status (males and females) § |
|
|
|
|
|
| Height (cm) |
139 |
0.88 |
0.94 |
0.88 (p < 0.001) |
- |
| Weight (kg) |
139 |
0.95 |
0.98 |
0.96 (p < 0.001) |
- |
| Body Mass Index (kg/m2) |
139 |
0.84 |
0.92 |
0.86 (p < 0.001) |
- |
|
Weight Status (males only) § |
|
|
|
|
|
| Height (cm) |
74 |
0.84 |
0.91 |
0.84 (p < 0.001) |
- |
| Weight (kg) |
74 |
0.95 |
0.98 |
0.96 (p < 0.001) |
- |
| Body Mass Index (kg/m2) |
74 |
0.85 |
0.92 |
0.86 (p < 0.001) |
- |
|
Weight Status (females only) § |
|
|
|
|
|
| Height (cm) |
65 |
0.82 |
0.89 |
0.83 (p < 0.001) |
- |
| Weight (kg) |
65 |
0.94 |
0.99 |
0.97 (p < 0.001) |
- |
| Body Mass Index (kg/m2) |
65 |
0.83 |
0.93 |
0.86 (p < 0.001) |
- |
|
Dietary Intake § |
|
|
|
|
|
| Meat and alternatives (0–5 servings) |
178 |
0.34 |
0.56 |
0.38 (p < 0.001) |
0.36 (0.05) |
| Fruits and vegetables (0–9 servings) |
178 |
0.53 |
0.70 |
0.54 (p < 0.001) |
0.47 (0.05) |
| Milk and alternatives (0–6 servings) |
178 |
0.60 |
0.77 |
0.63 (p < 0.001) |
0.48 (0.04) |
| Grain products (0–9 servings) |
178 |
0.41 |
0.64 |
0.47 (p < 0.001) |
0.33 (0.05) |
|
Meeting Food Guide Recommendation § |
|
|
|
|
|
| Meat and alternatives a |
178 |
0.45 |
0.63 |
0.46 (p < 0.001) |
0.45 (0.07) |
| Fruits and vegetables b |
178 |
0.54 |
0.70 |
0.54 (p < 0.001) |
0.54 (0.11) |
| Milk and alternatives c |
178 |
0.52 |
0.69 |
0.52 (p < 0.001) |
0.51 (0.06) |
| Grain products d | 178 | 0.36 | 0.58 | 0.41 (p < 0.001) | 0.37 (0.08) |
§ Self-reported measure at Time 2 and objective measure taken at 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.