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Table 4 The Cronbach’s alpha and the Intraclass Correlation Coefficients (ICC) for healthy lifestyle questionnaire for elderly (Heal)

From: Development and psychometric evaluation of the healthy lifestyle questionnaire for elderly (heal)

  Number of items Cronbach’s alpha Interclass correlation coefficient (95% CI)
Personal health and hygiene 2 0.87 0.90 (0.90–0.93)
Performing life tasks independently 3 0.97 0.98 (0.99–0.99)
Sport 2 0.95 0.98 (0.99–0.99)
Nutrition 8 0.70 0.83 (0.76–0.94)
Mental Health, sleep and rest 5 0.73 0.99 (0.99–0.99)
Observing safety and health advice 8 0.71 0.91 (0.84–0.95)
Social and family relations 2 0.78 0.80 (0.68–0.91)
Spiritual and religious activities 5 0.93 0.97 (0.91–0.92)
Total 35 0.89 0.94 (0.88–0.97)