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Accuracy and Consistency of the Korean Short Morningness-Eveningness Questionnaire in the General Population
Updated
Abstract
A total of 3,030 individuals yielded an average rMEQ score of 14.0 ± 3.4.
- The Korean version of the reduced Morningness-Eveningness Questionnaire (rMEQ) shows a substantial positive correlation with the standard MEQ scores (r = 0.859, p < 0.001).
- rMEQ scores are significantly negatively correlated with the midpoint of sleep on free days adjusted for sleep debt, indicating a strong association with (r = -0.388, p < 0.001).
- The internal consistency of the rMEQ, as measured by , is 0.609.
- The rMEQ may serve as a valid and reliable tool for assessing chronotype in the general Korean population.
Simplified
Key numbers
0.859
rMEQ Score Correlation
Correlation between rMEQ and MEQ scores
0.609
Internal Consistency
for the rMEQ
-0.388
Negative Correlation with Sleep Midpoint
Correlation with midpoint of sleep on free days