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Table 1 Nottingham Healthcare Needs Assessment questionnaire components

From: Unmet health needs in patients with coronary heart disease: implications and potential for improvement in caring services

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