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Table 2 Overview of the assessments

From: Efficacy and cost-effectiveness of a web-based intervention with mobile phone support to treat depressive symptoms in adults with diabetes mellitus type 1 and type 2: design of a randomised controlled trial

 

T0

T1

T2

T3

T4

Measurements for the efficacy evaluation

     

Center for epidemiological studies depression Scale

x

x

x

x

x

Hospital anxiety and depression scale (Depression)

-

x

x

x

x

Penn state worry questionnaire

-

x

x

x

x

Behavioural activation depression scale

-

x

x

x

x

Social problem solving inventory - Revised

-

x

x

x

x

Haemoglobin A1c

-

x

 

x

x

Problem areas in diabetes

-

x

x

x

x

Acceptance and action diabetes questionnaire

-

x

x

x

x

Diabetes self-management questionnaire

-

x

x

x

x

Kessler psychological distress scale

-

x

-

-

-

Negative effects of online health trainings

-

-

(x)

-

-

Attitudes towards seeking psychological help scale

-

x

x

-

-

Measurements for the economic evaluation

     

Trimbos/iMTA questionnaire for costs associated with Psychiatric Illness

-

x

-

x

x

Quality of life (EuroQol, SF-12)

-

x

x

x

x

Additional measurements

     

Demographic variables questionnaire

x

-

-

-

-

Lifestyle data

x

-

-

-

-

Data on diabetes

x

-

-

-

-

Patient questionnaire on therapy expectation and evaluation (Online-Training)

-

x

-

-

-

Client Satisfactory Questionnaire

-

-

(x)

-

-

Way of recruitment and familiarity with the Internet

x

-

-

-

-

  1. T0 Screening, T1 Baseline, T2 8 weeks, T3 6 months, T4 12 months.
  2. Assessments: x = intervention and control group, (x) = intervention group only.