Table 3 Psychometric properties and relative weights of program FIT components
Program component | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Measure | C2 | C3 | C4 | C5 | C6 | C7 | C8 | C9 | C10 | C11 | Total score | |
Number of related items | 4 | 5 | 4 | 1 | 1 | 3 | 4 | 4 | 3 | 4 | 33 | |
Item relevance within 1 year | M (SD)1 | 3.38 (1.21) | 3.60 (1.18) | 3.40 (1.03) | 3.60 (1.17) | 4.10 (0.57) | 3.70 (0.99) | 3.78 (1.00) | 4.05 (0.99) | 3.50 (0.73) | 3.55 (0.90) | 3.63 (1.03) |
Min; Max2 | 1;5 | 1;5 | 2;5 | 2;5 | 3;5 | 2;5 | 2;5 | 2;5 | 2;5 | 2;5 | 1;5 | |
Certainty about this assessment | M (SD) | 3.65 (0.89) | 3.68 (0.91) | 3.70 (0.95) | 4.00 (0.47) | 3.63 (1.27) | 3.63 (1.27) | 3.63 (1.00) | 3.83 (1.13) | 3.77 (0.63) | 3.85 (1.21) | 3.47 (0.97) |
Min; Max | 2;5 | 2;5 | 2;5 | 2;5 | 3;5 | 1;5 | 2;5 | 1;5 | 2;5 | 1;5 | 1;5 | |
Item relevance within 3 year | M (SD) | 3.77 (1.06) | 3.90 (0.86) | 3.73 (0.99) | 3.90 (0.88) | 4.50 (0.53) | 4.03 (0.93) | 3.85 (1.00) | 4.15 (0.92) | 3.77 (0.57) | 3.65 (0.86) | 3.87 (0.92) |
Min; Max | 1;5 | 2;5 | 2;5 | 3;5 | 4;5 | 2;5 | 2;5 | 2;5 | 2;5 | 2;5 | 1;5 | |
Certainty about this assessment | M (SD) | 3.63 (0.90) | 3.62 (0.95) | 3.63 (0.87) | 3.60 (1.17) | 3.80 (0.79) | 3.50 (1.41) | 3.50 (1.06) | 3.65 (1.27) | 3.60 (0.97) | 3.55 (0.99) | 3.59 (1.04) |
Min; Max | 2;5 | 2;5 | 1;5 | 1;5 | 2;5 | 1;5 | 1;5 | 1;5 | 1;5 | 1;5 | 1;5 | |
Content validity ratio (CVR) | 0.65 | 0.88 | 0.80 | 0.99 | 0.99 | 0.73 | 0.75 | 0.80 | 0.99 | 0.95 | 0.87 | |
Cronbach’s alpha | 0.84 | 0.82 | 0.81 | n.a.3 | n.a. | 0.85 | 0.83 | 0.85 | 0.85 | 0.81 | 0.93 | |
Relative weight of each component (%) | 11.21 | 16.03 | 12.20 | 2.99 | 4.73 | 10.63 | 12.10 | 6.35 | 10.87 | 12.89 | 100 | |