Research Article

Telehealth-Delivered Cognitive Behavioral Therapy for Insomnia in Individuals with Multiple Sclerosis: A Pilot Study

Table 2

Primary and secondary outcomes at baseline (pre), reassessment (post), change score, and effect size. Data reported as mean (standard deviation). ISI: Insomnia Severity Index; PSQI: Pittsburgh Sleep Quality Index; MFIS: Modified Fatigue Impact Scale; FSS: Fatigue Severity Scale; SSES: Sleep Self-Efficacy Scale; SOL: sleep onset latency; SE: sleep efficiency; TST: total sleep time; PHQ-9: Patient Health Questionnaire, 9 items; GAD-7: Generalized Anxiety Disorder Assessment, 7 items; MSIS-29: Multiple Sclerosis Impact Scale, 29 items; ES: effect size.

Tele-CBTi
PrePostChangeES

Primary outcomes
ISI17.1 (3.3)6.3 (3.3)-10.8 (3.8)<.0012.815
PSQI13.1 (2.3)6.0 (3.8)-7.1 (3.5)<.0012.006
MFIS44.2 (15.7)15.3 (10.2)-28.9 (13.1)<.0012.193
FSS49.5 (8.6)26.5 (15.4)-23.0 (16.1).0011.432
Secondary outcomes
SOL (min)57.8 (29.7)22.7 (23.7)-35.1 (18.8)<.0011.959
SE (%)64.8 (19.2)78.3 (24.1)13.5 (25.8).1120.531
TST (min)308.2 (71.1)375.3 (120.2)67.1 (103.1).0560.715
SSES21.5 (4.1)36.4 (5.4)14.9 (7.2)<.0012.077
PHQ-98.3 (4.2)3.1 (3.2)-5.2 (4.6).0041.136
GAD-75.4 (4.6)3.2 (3.2)-2.2 (5.3).2000.415
MSIS-2973.8 (16.9)50.5 (12.4)-23.4 (18.4).0021.265