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Year : 2017  |  Volume : 6  |  Issue : 1  |  Page : 34-38

Psychometric properties of the Trust in Physician Scale in Tamil Nadu, India

1 Department of Biostatistics, National Institute of Malaria Research, Chennai, Tamil Nadu, India
2 Division of Health Communication and Promotion, School of Public Health, SRM University, Chennai, Tamil Nadu, India
3 Department of Community Medicine, ESIC Medical College and PGIMSR, Chennai, Tamil Nadu, India

Correspondence Address:
Vijayaprasad Gopichandran
Department of Community Medicine, ESIC Medical College and PGIMSR, KK Nagar, Chennai - 600 078, Tamil Nadu
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/2249-4863.214966

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Context: Trust in health care is of high intrinsic value. It also leads to positive outcomes such as better treatment adherence and disclosure of sensitive information. Therefore, there is a need to measure trust in health care objectively. Aims: To assess the psychometric properties of the Trust in Physician Scale in Tamil Nadu, India. Settings and Design: The study was conducted in a private tertiary hospital setting in Tamil Nadu by a cross-sectional survey design. Methods: The Trust in Physician Scale and General Trust Scale were administered to 288 participants in the waiting area of a tertiary care hospital in Tamil Nadu. Statistical Analysis: Descriptive statistics, exploratory factor analysis, and Cronbach's alpha statistics were used to assess the validity and reliability of the scale. Results: The respondents were predominantly men from rural areas, older than 35 years of age, and with lesser than 8 years of schooling. The questionnaire had acceptable internal consistency with Cronbach's alpha of 0.707 (95% confidence interval 0.654–0.755). Exploratory factor analysis divided the questionnaire into four domains. Seven items loaded into factor 1 which explained dependability and competence of the physician, two items loaded on factor 2, and one each in factors 3 and 4. The latter four items had very low item to total correlations and hence did not contribute much to the questionnaire. Conclusions: The Trust in Physician questionnaire needs to be modified to accurately measure the domains of trust in the context of the study area. More qualitative studies are required to understand the domains of trust in this cultural and social context.

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