Scale | Cronbach’s alpha coefficient | Item-total correlation | Alpha if item deleted |
DHSMS scale | 0.915 | 0.444 - 0.610 | 0.910 - 0.913 |
Skill to form partnership with other important people | 0.864 | 0.558 - 0.674 | 0.841 - 0.855 |
Skill to prevent or cope with post-gastrectomy disorder | 0.855 | 0.509 - 0.709 | 0.823 - 0.851 |
Skill to grasp issues accompanying post-gastrectomy disorder | 0.856 | 0.513 - 0.662 | 0.831 - 0.841 |
Self-efficacy | 0.828 | 0.565 - 0.722 | 0.751 - 0.821 |