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Table 3 Logistic regression analysis: odds ratio for higher extent of 1) formulate questions, 2) search databases and 3) search other sources in associated variables categorised as individual and organizational factors

From: Factors associated with evidence-based practice among registered nurses in Sweden: a national cross-sectional study

Framework area and variables Formulate questions (n = 914) Search databases (n = 918) Search other sources (n = 915)
OR (CI) (step1) Chi-square OR (CI) (step 2) Chi-square OR (CI) (step1) Chi-square OR (CI) (step 2) Chi-square OR (CI) (step 1) Chi-square OR (CI) (step 2) Chi-square
Block 1     ∆ 93.7***     ∆ 53.2***     ∆ 63.8***
Individual factors             
Sex 1.2 (0.7;2.1)   1.2 (0.7;2.0)   1.0 (0.6;1.7)   1.0 (0.6;1.8)   1.0 (0.7;1.6)   1.1 (0.7;1.7)  
Age 1.2 (0.8;1.7)   1.2 (0.8;1.8)   1.2 (0.8;1.7)   1.2 (0.8;1.8)   1.0 (0.7;1.3)   1.1 (0.8;1.5)  
Previous nurse aide training 1.4 (0.9; 2.0)   1.3 (0.9;2.0)   1.3 (0.9;1.9)   1.3 (0.9;1.8)   1.3 (0.9;1.7)   1.2 (0.9;1.6)  
Further study after nursing degree 1.1 (0.7; 1.8)   1.0 (0.6;1.7)   1.1 (0.7;1.8)   1.1 (0.7;1.8)   1.0 (0.6;1.4)   1.0 (0.6;1.5)  
EBP capability 8.3 (4.8;14.5)   7.3 (4.1;12.9)   4.0 (2.6;6.2)   3.8 (2.4;5.9)   3.0 (2.2;3.9)   2.6 (2.0;3.5)  
Block 2     ∆ 30.9*     ∆ 10.7     ∆ 39.3**
Organisational factors             
Present form of employment    1.1(0.8;1.7)     0.9 (0.6;1.3)     1.2 (0.9;1.6)  
Clinical setting Hospital             
• Primary care    0.3 (0.1;1.1)     1.0 (0.4;2.7)     1.9 (0.8;4.3)  
• Care of older people    1.0 (0.6;1.7)     1.1 (0.6;1.9)     1.7 (1.0;2.7)  
• Psychiatry care    1.5 (0.8;2.7)     1.4 (0.8;2.6)     1.0 (0.6;1.6)  
Full or part time    0.7 (0.5;1.1)     0.7 (0.5;1.1)     1.0 (0.7;1.4)  
Work shifts (Three shifts)             
• Office hours    0.9 (0.5;1.7)     0.8 (0.4;1.4)     1.4 (0.8;2.4)  
• Two shifts    0.8 (0.6;1.3)     1.0 (0.7;1.4)     1.0 (0.7;1.3)  
Work overtime    1.2 (0.7;1.9)     1.2 (0.8;1.8)     1.5 (1.0;2.1)  
Enough staff    1.0 (0.7;1.5)     1.0 (0.7;1.4)     0.9 (0.7;1.2)  
Collective efficacy    1.3 (0.9;2.0)     1.2 (0.8;1.7)     1.4 (1.0;1.9)  
Role clarity    2.0 (1.2;3.2)     1.3 (0.9;2.0)     1.0 (0.7;1.4)  
Leadership    1.3 (0.9;2.0)     1.2 (0.8;1.8)     1.5 (1.1;2.1)  
Job demands    1.5 (0.9;2.2)     1.1 (0.8;1.7)     0.9 (0.7;1.3)  
Control    1.2 (0.7;2.2)     1.2 (0.6;2.1)     1.4 (0.8;2.5)  
Disengagement    0.8 (0.5;1.5)     1.0 (0.6;1.8)     0.8 (0.5;1.1)  
Exhaustion    1.0 (0.7;1.4)     1.1 (0.8;1.6)     0.9 (0.7;1.3)  
Final model   93.7***   124.7***   53.2***   63.9***   63.8***   103.1***
  1. * = p<0.05; *** = p<0.001.
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