胰岛素治疗评估量表中文版的验证。

Validation of the Chinese version of the insulin treatment appraisal scale.

机构信息

Division of Endocrinology and Metabolism, Department of Medicine, China Medical University Hospital, Taichung 40447, Taiwan; School of Chinese Medicine, China Medical University, Taichung 40447, Taiwan.

Department of Public Health, College of Public Health, China Medical University, Taichung 40402, Taiwan; Department of Healthcare Administration, College of Health Science, Asia University, Taichung 41354, Taiwan.

出版信息

Diabetes Res Clin Pract. 2020 Dec;170:108485. doi: 10.1016/j.diabres.2020.108485. Epub 2020 Oct 6.

DOI:10.1016/j.diabres.2020.108485

PMID:33035596

Abstract

AIMS

To test the reliability and validity of the Chinese version of the Insulin Treatment Appraisal Scale (ITAS) questionnaire in patients with type 2 diabetes mellitus (T2DM).

METHODS

A total of 200 patients with T2DM were consecutively recruited from the outpatient clinic in Taiwan. The World Health Organization guideline was followed to translate the questionnaire. The internal consistency was assessed by Cronbach's α coefficient and item-total correlations. The construct validity was evaluated by using confirmatory factor analysis, convergent validity, and discriminate validity.

RESULTS

The Cronbach's α coefficient for estimates of internal consistency of the total scale was 0.72, and ranged from 0.76 to 0.77 for the subscales. A value of ≥0.40 was considered being substantial. The item-total correlation values were 14 out of 20 items having substantial correlations (4 out of 4 items on the positive appraisal scale and 10 out of 16 items on the negative appraisal scale). The confirmatory factor analysis confirmed both positive and negative factors with total explained variance 33.9% (12.2% for positive subscale and 21.7% for negative subscale). The success rate, calculated from the item-total correlation values, was 70% for the convergent validity (100% for positive subscale and 63% for negative subscale) and 90% for discriminate validity (100% for positive subscale and 88% for negative subscale), respectively. Both the ceiling effect and floor effect were 0%.

CONCLUSIONS

The Chinese version of the ITAS questionnaire is a valid and reliable instrument for measuring the perceptions of insulin injection in patients with T2DM.

摘要

目的

测试中文版胰岛素治疗评估量表（ITAS）问卷在 2 型糖尿病（T2DM）患者中的信度和效度。

方法

从台湾的门诊连续招募了 200 名 T2DM 患者。遵循世界卫生组织指南对问卷进行翻译。采用 Cronbach's α 系数和项目总分相关性评估内部一致性。采用验证性因子分析、收敛效度和判别效度评估结构效度。

结果

总量表的内部一致性估计 Cronbach's α 系数为 0.72，分量表的范围为 0.76 至 0.77。≥0.40 被认为是实质性的。20 个项目中有 14 个（阳性评价量表的 4 个项目和阴性评价量表的 10 个项目）具有实质性相关性。验证性因子分析证实了阳性和阴性因素，总解释方差为 33.9%（阳性子量表为 12.2%，阴性子量表为 21.7%）。根据项目总分相关性计算的成功率，收敛效度为 70%（阳性子量表为 100%，阴性子量表为 63%），判别效度为 90%（阳性子量表为 100%，阴性子量表为 88%）。天花板效应和地板效应均为 0%。