The Correlation Analysis between Hours of Smartphone Use And Neck Pain in the Gachon University Students

Abstract

disability(5~14 score, 32.85 %)’, ‘moderate disability(15~24 score, 1.19 %)’. As a result of t-test, we found that the average NDI score for female students was significantly higher than the average NDI score for male students(p<0.05). 3. The Kendall’s tau test revealed that total time spent daily using smartphones has a strong positive correlation with ‘pain intensity’, ‘lifting’, ‘reading’ ‘headache’, ‘concentration’, and ‘driving’( p<0.05) in NDI. Also, time duration of one time smartphone usage has a strong positive correlation with ‘pain intensity’, ‘lifting’, ‘reading’, ‘headache’, ‘concentration’, ‘work’, and ‘recreation’(p<0.05). 4. The Kendall’s tau test revealed that total NDI scores have a significantly strong positive correlation with both of total time spent daily using smartphones(p<0.05) and time duration for one time smartphone usage(p<0.05). This results imply that long-time use of smartphone has a strong relationship with neck pain. Conclusions : The results of the study would be a good starting point for future studies to reduce the risks of chronic neck pain caused by smartphone usage.

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