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Table 3 Linear-circular correlations between time of peak of MRhI items and rMEQ scores

From: Validation of the English version of the Mood Rhythm Instrument

MRhI items (n)R-squaredp-value
Alertness (309)0.290≤0.001
Sleepiness (370)0.106≤0.001
Problem-Solving (270)0.147≤0.001
Self-esteem (142)0.206≤0.001
Concentration (315)0.247≤0.001
Appetite (289)0.028≤0.001
Sexual Arousal (123)0.066≤0.001
Irritability (241)0.203≤0.001
Anxiety (170)0.089≤0.001
Sadness (157)0.046≤0.001
Motivation to Exercise (246)0.162≤0.001
Memory (126)0.231≤0.001
Pessimism (120)0.107≤0.001
Talking to friends (203)0.0200.018
Energy (305)0.221≤0.001
  1. Abbreviations: rMEQ Reduced Morningness-Eveningness Questionnaire