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Table 3 Reliability (α and mean inter-item correlation) and variability (intra-class correlation) of study variables

From: Preventing stress-related ill health among newly registered nurses by supporting engagement in proactive behaviors: development and feasibility testing of a behavior change intervention

Variable α MIIC ICC
Primary outcomes
 Stress 0.87 0.53
Process variables
 Role clarity 0.77 0.53 0.63
 Social acceptance 0.70 0.56 0.45
 Mastery of tasks 0.68 0.52 0.63
Behavior variables
 Proactivity 0.50 0.21 0.59
 Avoidance of proactivity 0.73 0.58 0.46
  1. α coefficient alpha, MIIC mean inter-item correlation, ICC intra-class correlation