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Table 1 Statistical values and reliability of subscales (N = 761)

From: The multi-faceted usage patterns of nutrition apps: a survey on the appropriation of nutrition apps among German-speaking users of MyFitnessPal

  Number of items M SD Mean rit α
Meta-communication
Interpersonal 4 1.83 0.71 .51 .71
Mediated 5 1.46 0.45 .38 .64
Observation 4 1.42 0.51 .54 .74
Functional evaluations
Distraction 2 2.97 1.15 .58 .73
Lifestyle management 3 4.38 0.68 .45 .63
Building of relationships 3 1.99 0.98 .63 .79
Symbolic evaluations
Psychological dimension 4 4.30 0.70 .47 .70
Social dimension 3 2.05 0.99 .47 .66
Normative evaluations
Subjective norms 3 2.06 0.80 .31 .50
Public image 3 2.81 0.95 .22 .38
Restriction evaluations
Financial 1 2.39 1.42
Cognitive 1 1.49 0.90
Time 1 2.05 1.15
Daily use 1 2.43 1.32
Data security 1 2.99 1.58
Failing to reach goal 1 2.01 1.15
Usage
Functional aspects
Distraction 3 1.54 0.77 .64 .80
Lifestyle management 3 4.48 0.62 .45 .64
Building of relationships 3 1.52 0.81 .67 .80
Symbolic aspects
Psychological dimension 4 4.06 0.67 .45 .68
Social dimension
 Showing-off 1 1.37 0.82
 Supportive environment 1 2.74 1.28
 Identity 1 1.89 1.22
  1. Values measured on a 5-point Likert-type scale from 1 ‘strongly disagree’ to 5 ‘strongly agree’, resp. 1 ‘never’ to 5 ‘very often’; mean rit: average of corrected item-total correlation; α: Cronbach’s Alpha
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