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Objectives: This study aimed to examine 1) level of quality of life (QoL) among young adult patients with myocardial infarction (MI), and 2) factors (heart functional capacity, smoking, alcohol consumption, physical activity, and social support) predicting QoL among young adult patients with myocardial infarction. Methods: The sample consisted of 90 young adult patients aged 18-45 years, and were diagnosed with MI. Four instruments were used for data collection: 1) Demographic data, health conditions, and data related to myocardial infarction. 2) Physical activity questionnaire 3) Multidimensional Scale of Perceived Social Support (MSPSS), and 4) Quality of life questionnaire (QoL). The content validity of questionnaires was performed by three experts. The Cronbach’s alpha coefficients indicating reliability for Physical activity questionnaire, MSPSS, and QoL were .88, .94, and .96, respectively. Data were analyzed using descriptive statistics and multiple linear regression. Results: The results showed that 1) level of QoL among young adult patients with MI was at a high level (M = 20.45, SD = 4.10), 2) heart function capacity, physical activity, and social support could significantly predict quality of life among young adult patients with MI with a coefficient of determination of 26.30% (Adjusted R2 = .26, F = 11.62, p = .029). The results also showed that social support could significantly predict QoL (β = .414, p < .001), followed by physical activity (β = .264, p = .001), and heart function capacity (β = -.160, p = .037). Conclusion: The results provide
the basic information for developing a program to promote QoL among young adult patients with myocardial infarction.
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