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Table 3 Internal consistency of the OHBS for all participants and test-retest reliability for all participating subjects

From: The reliability of the Arabic version of osteoporosis knowledge assessment tool (OKAT) and the osteoporosis health belief scale (OHBS)

OHBS No. of items Cronbach’s alpha Inter class correlation (95% CI)
Susceptibility of osteoporosis (Q 1–6) 6 0.778 0.778
(0.709–0.838)
Seriousness (Q 7–12) 6 0.822 0.822
(0.766–0.870)
Benefits of exercises (Q 13–18) 6 0.739 0.739
(0.656–0.808)
Benefits of calcium intake (Q 19–24) 6 0.749 0.749
(0.669–0.816)
Barriers to exercises (Q 25–30) 6 0.744 0.744
(0.663–0.812)
Barriers to calcium intake (Q 31–36) 6 0.716 0.716
(0.692–0.828)
Health motivation (Q 37–42) 6 0.766 0.766
(0.627–0.792)
All Items (Q 1–42) 42 0.806 0.806
    (0.748–0.857)