Table 4. Descriptive statistics and reliability estimates for the full DLI-S and each sub-scale.

	Mean score (SD)a	Floor/ceiling effect (%)	Cronbach’s α (95% CI)b	AICb	ICC (95% CI)c
DLI-S (full scale)	5.15 (1.86)	0.2/0.6	0.94 (0.94–0.95)	0.36	0.85 (0.76–0.91)
Talking support	6.28 (2.28)	0.8/8.9	0.82 (0.78–0.84)	0.52	0.68 (0.50–0.80)
Hands-on care	5.63 (2.69)	1.6/10.3	0.81 (0.78–0.84)	0.53	0.81 (0.69–0.88)
Learning from experience	6.59 (2.05)	0.2/8.7	0.83 (0.84–0.88)	0.56	0.66 (0.49–0.79)
Factual knowledge	4.13 (2.49)	3.2/2.0	0.89 (0.87–0.90)	0.53	0.84 (0.73–0.90)
Accessing help	3.34 (2.71)	18.5/2.0	0.92 (0.91–0.93)	0.69	0.72 (0.57–0.83)
Community support groups	4.21 (2.89)	13.1/6.2	0.92 (0.91–0.93)	0.74	0.67 (0.50–0.79)

Notes

^aMean scores are transformed to a range from 0–10

^b n = 503; AIC = Average inter-item correlation; ICC = Intra-class correlation

^c n = 55