Key composite scales from CODE: assessment of internal consistency and construct validity
| Composite scale | Mean score (range) | Internal consistency | Construct validity | ||
|---|---|---|---|---|---|
| Cronbach's α | Corrected item–total correlation | Correlation matrix | Factor loadings | ||
| ENVIRONMENT (score ranges from 0 to 8) (n=65) | 6.7 (0–8) | 0.89 | r=0.81 | ||
| Q3 bed area was comfortable | Q3 0.81 | 0.83 | |||
| Q4 bed area had adequate privacy | Q4 0.81 | 0.97 | |||
| CARE (score ranges from 0 to 25) (n=57) | 14.4 (0–19) | 0.89 | r=0.46–0.82 | ||
| Q1 help with personal care needs | Q1 0.79 | 0.81 | |||
| Q2 help with nursing care | Q2 0.84 | 0.89 | |||
| Q6 confidence and trust in nurses | Q6 0.67 | 0.71 | |||
| Q7 confidence and trust in doctors | Q7 0.61 | 0.69 | |||
| Q20 overall emotional support | Q20 0.65 | 0.78 | |||
| Q27 support at time of death | Q27 0.80 | 0.88 | |||
| COMMUNICATION (score ranges from 0 to 10) (n=61) | 7.8 (0–10) | 0.79 | r=0.20–0.63 | ||
| Q8 nurses had time to listen | Q8 0.75 | 0.92 | |||
| Q9 doctors had time to listen | Q9 0.71 | 0.84 | |||
| Q16 involved in decision-making | Q16 0.36 | 0.39 | |||
| Q19 explanations easy or difficult | Q19 0.69 | 0.74 | |||
CODE, Care Of the Dying Evaluation.