Concept | Title of the Instument (Abbreviation) | Reliability | Validity | Number of Items | Scale | Score (Range) |
---|---|---|---|---|---|---|
Life satisfaction | General Life Satisfaction Short Scale (23) (L1) | retest = 0.82 (23) | evidence for construct validity (23) | 1 | 10 point Likert | Sum Score (0–10) |
eHealth literacy | German Version of the eHealth Literacy Scale (24) (G-eHeals) | Cronbach’s α = 0.83-0.88 (24) | construct validity was supported by correlation patterns with different scales and constructs (24) | 8 | 5 point Likert | Sum Score (0–40) |
Hypochondria | Whiteley Index (25) (WI) | Cronbach’s α = 0.76–0.8 (26) | high associations with health anxiety and illness behavior subscales (26) | 14 | binary („yes“ / „no“) | Sum Score (0–14) |
Self-efficacy | General self-efficacy short scale (27) (ASKU-S) | McDonalds ω = 0.81 bis 0.87 (27) | Indications of content, factorial, convergent, discriminant and predictive validity (27) | 3 | 5 point Likert | Mean Score (1–5) |
Technic affinity | Ultra-Short Scale for Assessing Affinity for Technology Interaction (28) (ATI-S) | McDonalds ω=>0.8 (28) | sufficiently valid assessment (28) | 4 | 6 point Likert | Mean Score (1–6) |