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Table 3 Internal consistency of the competency scale for sub-district health promoting hospital directors as estimated by Cronbach’s alpha

From: Development of the competency scale for primary care managers in Thailand: Scale development

Dimensions Number of items Range of item-total correlations Cronbach’s alpha Range of alphas if individual item deleted
1. Leadership 6 0.54–0.68 0.84 0.80–0.83
2. Communication 5 0.22–0.58 0.70 0.60–0.77
3. Partnership 4 0.52–0.57 0.75 0.67–0.70
4. System thinking and strategic decision making 9 0.52–0.66 0.86 0.84–0.85
5. Organizational development and professionalism 6 0.38–0.75 0.86 0.83–0.89
6. Emotional intelligence 3 0.57–0.65 0.78 0.66–074
7. Proactive approach 4 0.61–0.80 0.88 0.82–0.89
8. Financial planning 3 0.54–0.76 0.82 0.66–0.89
9. Information management 8 0.49–0.61 0.83 0.80–0.82
Total 48   0.96