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Table 2 Timing of clinical assessments and measures throughout the study

From: Sequential psychological and pharmacological therapies for comorbid and primary insomnia: study protocol for a randomized controlled trial

Instruments/time point Screen Baseline Tx-1 Post-1 Tx-2 Post-2 3-month FU 6-month FU 9-month FU 12-month FU
Medical history/physical exam X          
Mini-Mental State X          
Vital signs X    X   X X X X X
Insomnia Interview Schedule X    X   X X X X X
Duke Structured Interview for Sleep Disorders X    X   X X X X X
Structured Clinical Interview for DSM-IV Disorders X        X   X
Sleep diary X X X X X X X X X X
Polysomnography X a X a   X   X     
Insomnia Severity Index X X X X X X X X X X
Clinical Global Improvement     X   X X X X X
Pittsburgh Sleep Quality Index   X   X   X X X X X
Dysfunctional Beliefs and Attitudes about Sleep Scale   X   X   X X X X X
Multidimensional Fatigue Inventory   X   X   X X X X X
SF-36 Health Survey   X   X   X X X X X
Work and Social Adjustment Scale   X   X   X X X X X
Beck Depression Inventory   X   X   X X X X X
State-Trait Anxiety Inventory   X   X   X X X X X
Systematic Assessment for Treatment Emergent Events   X X X X X X X X X
Treatment Evaluation Questionnaire    X X X X   X   X
  1. FU, follow-up; Tx-1, first-stage treatment 1; Tx-2, second-stage treatment
  2. a Screening (full montage to rule out other sleep disorders) and baseline (sleep montage only) assessments are conducted on consecutive nights