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Table 1 Descriptive statistics for variables in analyses: means, missing data, scale reliabilities (N = 730)

From: Factors associated with the self-perceived ability of nursing staff to remain working until retirement: a questionnaire survey

  % or mean (S.D.) Missing data (%) Cronbach’s αa
Dependent variable    
 Self-perceived ability to continue working   0.3 % N/A
  No 43.4 %   
  Yes or don’t know 56.6 %   
Mediator variables    
 Job satisfaction (range 1–5) 3.59 (0.48) 1.6 % 0.91
 Occupational commitment (range 1–5) 4.05 (0.86) 1.2 % N/A
Independent variables    
 Job factors    
  Autonomy (range 1–4) 2.70 (0.54) 0.4 % 0.91
  Work pressure (range 1–5) 2.90 (0.80) 0.8 % 0.84
  Supportive leadership (range 1–5) 3.53 (0.73) 3.4 % 0.91
  Instrumental leadership (range 1–5) 2.82 (0.59) 3.8 % 0.82
Organisational factors    
  Sufficient educational opportunities   1.5 % N/A
   No 31.6 %   
   Yes 68.4 %   
  Communication (range 1–4) 2.52 (0.61) 1.2 % 0.87
  Appreciation by senior management (range 1–4) 2.47 (0.72) 1.4 % N/A
Respondent characteristics (control variables)    
 Age (years) 46.79 (9.3) 0.0 % N/A
 Gender   0.0 % N/A
  Male 10.8 %   
  Female 89.2 %   
 Perceived health (range 1–5) 4.11 (0.61) 3.3 % N/A
 Working hours per week 25.58 (7.48) 2.7 % N/A
 Irregular shifts   2.9 % N/A
  No 26.2 %   
  Yes 73.8 %   
 Managerial tasks   0.3 % N/A
  No 88.0 %   
  Yes 12.0 %   
  1. aN/A = not applicable