Reliability and Construct Validity on Undergraduate Geriatric Questionnaire

Mohd Shaiful Ehsan Shalihin; Hidayatul Aliah Sobri; Siti 'Atiqah Mohd Daud; Alya Ibrahim

doi:10.37231/myjas.2022.7.1.319

Mohd Shaiful Ehsan Shalihin Department of Family Medicine, Kulliyyah of Medicine, International Islamic University of Malaysia, Kuantan Campus, Jalan Sultan Ahmad Shah, 25200 Kuantan, Pahang
Hidayatul Aliah Sobri Department of Family Medicine, Kulliyyah of Medicine, International Islamic University of Malaysia, Kuantan Campus, Jalan Sultan Ahmad Shah, 25200 Kuantan, Pahang
Siti 'Atiqah Mohd Daud Department of Family Medicine, Kulliyyah of Medicine, International Islamic University of Malaysia, Kuantan Campus, Jalan Sultan Ahmad Shah, 25200 Kuantan, Pahang
Alya Ibrahim Department of Family Medicine, Kulliyyah of Medicine, International Islamic University of Malaysia, Kuantan Campus, Jalan Sultan Ahmad Shah, 25200 Kuantan, Pahang

DOI: https://doi.org/10.37231/myjas.2022.7.1.319

Abstract

The number of elderly people in Malaysia is increasing in trend due to better healthcare services provided by the government and increased awareness of the community towards disease prevention. Therefore, the knowledge of future medical doctors towards geriatric care should be upgraded at par to fulfill the needs of the older population. As a result, their level of knowledge should be assessed, particularly in terms of the fundamental concept of geriatrics. A new, invented, reliable and valid questionnaire is needed. This study aimed to develop and validate a newly developed questionnaire to assess the knowledge of medical students in geriatrics. The 23 items consist of true-false questions and one-based answer responses based on five domains of Giant I’s geriatric, namely immobility, instability, incontinence, cognition, and iatrogenic. The sample size is calculated using a five-to-one item ratio. The questionnaires were distributed to 143 medical students. Reliability was determined using Cronbach’s alpha for internal consistency, while construct validity was assessed using factor analysis. An acceptable internal consistency was observed (Cronbach’s alpha = 0.62). Factor analysis showed two meaningful finalized components, which represent the geriatric general knowledge and the Giant I’s. According to the findings of this study, this questionnaire is a reliable and valid tool for assessing medical students' knowledge of geriatric.

Keywords: Geriatric, Reliability, Construct Validity, Undergraduate Geriatric, Questionnaire