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The two-factor model of PSQI scores for control subjects and pwMS. Note. Standardized parameters are presented for control subjects/pwMS. All reported parameters are significant at p < 0.05. PSQI components: PSQ3dur = sleep duration, PSQ4eff = sleep efficiency, PSQ1qua = sleep quality, PSQ2lat = sleep latency, PSQ5dis = sleep disturbance, PSQ6med = sleep medication, PSQ7day = daytime sleep dysfunction.
