Table 1.

Nottingham Healthcare Needs Assessment questionnaire components

Domains	Items allocated	Mean score (SD)	Measure of skewness*	Cronbach's alpha	Corrected total-item correlation	Floor score (%)	Ceiling score (%)
Physical needs	8	3.64(0.93)	-2.58	0.88	0.59–0.85	1(0.4)	5 (2.1)
Satisfaction	11	4(0.76)	-4.53	0.87	0.55–0.75	1(0.4)	21 (8.7)
Informational needs	7	3.94(0.97)	-5.52	0.89	0.54–0.88	1(0.4)	14 (5.8)
Social needs	12	4.01(0.73)	-6.38	0.86	0.40–0.68	5(2.1)	3 (1.2)
Concerns	8	2.89(0.76)	0.37	0.83	0.50–0.79	1(0.4)	1 (0.4)

*Measures beyond ± 1.96 are significantly skewed at the level of 0.05.[28]