| Cronbach’s alpha | McDonald’s ω |
---|---|---|
All items: 12 (total score) = 0.88 | All items: 12 (total score) = 0.87 | |
Factor structures | ||
 Three-factor structure | Factor 1 (friends) = 0.84 | Factor 1 (friends) = 0.84 |
Factor 2 (significant other) = 0.87 | Factor 2 (significant other) = 0.87 | |
Factor 3 (family) = 0.89 | Factor 3 (family) = 0.89 | |
 Two-factor structure | Factor 1 (family and significant other) = 0.91 | Factor 1 (family and significant other) = 0.91 |
Factor 2 (friends) = 0.84 | Factor 2 (friends) = 0.84 | |
Item | Cronbach’s alpha when item is removed |  |
 1 | 0.87 |  |
 2 | 0.87 |  |
 3 | 0.87 |  |
 4 | 0.87 |  |
 5 | 0.86 |  |
 6 | 0.87 |  |
 7 | 0.88 |  |
 8 | 0.88 |  |
 9 | 0.87 |  |
 10 | 0.86 |  |
 11 | 0.86 |  |
 12 | 0.88 |  |
ICC (95% CI): 0.82 (0.68, 0.90) | ||
SEM: 5.90 | ||
MDC: 16.34 |