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Table 6 Multivariate linear regression of number of semesters on mental health variables

From: Sleep disturbances and mental strain in university students: results from an online survey in Luxembourg and Germany

Variablea B SE β Significance
PSQI—sleep quality for all students −.062 .020 −.062 p = .002**
ESS—daytime sleepiness for all students .000 .020 .000 p = .996
MEQ—chronotype for all students .101 .053 .039 p = .057
PHQ-9—depression for all students −.019 .027 −.015 p = .483
PHQ—stress for all students .007 .018 .008 p = .688
SIAS—social phobia for all students −.154 .059 −.054 p = .008**
PAF—test-anxiety for all students −.075 .036 −.042 p = .038*
SWE—self-efficacy for all students .028 .027 .021 p = .295
  1. aNumber of semesters was used as a predictor for PSQI, ESS, MEQ, PHQ-9, PHQ-stress, SIAS, PAF and SWE; * p < .05; ** p < .01