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KMID : 0359420180360040189
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Korean Journal of Sports Medicine
2018 Volume.36 No. 4 p.189 ~ p.196
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The Difference of Body Mass Index According to Smart Phone Proficiency in Koreans over the Age of 60
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Kim Joon-Sik
Kim Jung-Woon
Hahn So-Won
Kim Yeon-Soo
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Abstract
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Purpose: The purpose of this study was to compare the difference of body mass index (BMI) to smart phone proficiency in men and women over the age of 60.
Methods: Patients were divided into three groups with high (n=33), average (n=34), and low (n=33) smart phone proficiency. Fitness characteristics related to smart phone usage were evaluated by measuring cardiorespiratory endurance, grip strength, eye-hand coordination. As well, smart phone proficiency was evaluated by a self-reported questionnaire and a smart phone usability task that was composed of two categories: usage of the smartphone device itself and usage of phone applications. The differences in BMI of the subjects was analyzed by analysis of covariance adjusting for independent variables including age, smartphone usage period, eye-hand coordination, education and income.
Results: There was a significant difference in BMI among the three groups after adjustment of age, eye-hand coordination, smartphone usage period, education and income. The results showed that the self-reported questionnaire showed a significant difference in BMI between high proficiency and low proficiency groups (high 24.88±2.46, low 23.37±2.56; p=0.037). Smart phone usability test results also showed a significant difference in BMI among the three groups (high 25.18±2.58, low 23.15±2.6; p=0.000 and high 25.18±2.58, middle 23.57.7±1.69; p=0.010).
Conclusion: Our results suggest that high smart phone proficiency shows increased BMI in the elderly. This study suggests that people over the age of 60 who have high smartphone proficiency should be cautious of an increased BMI score.
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KEYWORD
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Body mass index, Obesity, Smartphone
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