Table 3 Involvement Evaluation Questionnaire (IEQ) totals and domains: distribution of scores and internal consistency
Sum item scores (0 to 4) | Cronbach's α | ||||
|---|---|---|---|---|---|
Minimum to maximum | Mean (95% CI) SEM | SD | Coefficient | 95% CI (unilateral) | |
Tension | 0 to 31 (0 to 36) | 7.92 (7.19 to 8.64) 0.37 | 5.11 | 0.74 | ≥ 0.69 |
Supervision | 0 to 21 (0 to 24) | 2.70 (2.21 to 3.18) 0.25 | 3.45 | 0.71 | ≥ 0.65 |
Worrying | 0 to 24 (0 to 24) | 13.79 (13.04 to 14.54) 0.381 | 5.31 | 0.73 | ≥ 0.68 |
Urging | 0 to 27 (0 to 32) | 8.56 (7.71 to 9.41) 0.43 | 6.01 | 0.74 | ≥ 0.69 |
IEQ sum score | 0 to 84 (0 to 108) | 30.23 (28.16 to 32.31) 1.05 | 14.65 | 0.87 | ≥ 0.85 |