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Table 1 Psychometric analyses of the scales used in the present study

From: Nurses’ self-efficacy and practices relating to weight management of adult patients: a path analysis

Scales Conceptual factors Item numbers on factor % variance explained Factor loadings Alpha in the testing sample ICC Scoringa(M ± SD) Actual range Possible range
Attitudes Towards Obese Persons Attitudes towards obese people (ATOP) 20 - - 0.81 0.87 68.08 ± 16.27 23-116 0-120
Attitudes Towards Weight Management Self-efficacy (SE) 8 30.5 0.46-0.80 0.82 0.80 33.82 ± 6.93 14-48 8-48
  Professional role identity (PRI) 4 13.1 0.64-0.80 0.80 0.60 19.79 ± 3.42 4-24 4-24
  Teamwork beliefs (TWB) 5 8.4 0.59-0.78 0.73 0.69 25.97 ± 3.52 11-30 5-30
Perceived Barriers Perceived barriers (PB) 8 44.4 0.52-0.78 0.81 0.78 34.97 ± 6.72 8-48 8-48
Perceived Skills Perceived skills (PS) 7 50.9 0.52-0.82 0.83 0.83 13.76 ± 3.44 7-21 7-21
Weight Management Practices Weight management practices (WMP) 8 52.6 0.58-0.85 0.86 0.77 22.21 ± 7.94 8-40 8-40
  1. aAll the scores were computed by summing all items except for ATOP scores.