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Table 2 Secondary outcome measures and assessment points

From: Evaluating the (cost-)effectiveness of guided and unguided Internet-based self-help for problematic alcohol use in employees - a three arm randomized controlled trial

Outcome measures

T1

T2

T3

Alcoholic Drinks (Timeline Followback method)

Alcohol Problems Questionnaire (APQ)

 

Readiness to Change Questionnaire (RTCQ)

Depression Anxiety Stress Scale (DASS-21)

Irritation Scale (IS)

Effort Reward Imbalance Questionnaire (ERI-SF)

 

Work Limitations Questionnaire (WLQ)

Single-Item Presenteeism Question

Single item question on work ability

General Self-Efficacy Scale (GSE)

Assessment of Quality of Life (AQoL-8D)

Trimbos and institute of Medical Technology Assessment Cost Questionnaire for Psychiatry (TiC–P-G)

 

Attitudes toward seeking psychological help (ATSPPH-SF)

Use of other health services

 

Negative-Effects of Psychotherapy Inventory (INEP)

  

Client Satisfaction Questionnaire (CSQ-8)

 

 
  1. T1 = baseline assessment before randomization, T2 = post assessment after 6 weeks, T3 = follow-up assessment after 6 months