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Table 5 Correlation matrix of study variables and adherence to a healthy diet before intervention

From: Effectiveness of educational intervention based on psychological factors on achieving health outcomes in patients with type 2 diabetes

  1 2 3 4 5 6 7 8 9 10 11 12
1. Expect outcomes 1            
2. Beliefs in the effectiveness of some food stuff on the neutralization of sugar intake in other ones 0.796* 1           
3. Beliefs related to the consumption rate of some food stuff 0.789* 0.804* 1          
4. Beliefs about healthy foods 0.803* 0.786* 0.793* 1         
5. Exaggerated beliefs − 0.746* − 0.666* − 0.673* − 0.665* 1        
6. Spiritual beliefs 0.667* 0.634* 0.615* 0.620* − 0.576* 1       
7. Self-efficacy 0.805* 0.727* 0.733* 0.779* − 0.663* 0.677* 1      
8. Concerns caused by economic difficulties − 0.605* − 0.607* − 0.632* − 0.700* 0.575* − 0.488* − 0.654* 1     
9. Fears and concerns about the complications of adherence to a diabetic diet − 0.769* − 0.709* − 0.708* − 0.768* 0.722* − 0.664* − 0.763* 0.692* 1    
10. Concerns about feeling like a burden and inattention by family members − 0.622* − 0.628* − 0.644* − 0.608* 0.646* − 0.571* − 0.639* 0.569* 0.713* 1   
11. Discomfort caused by life-changing miseries − 0.552* − 0.504* − 0.565* − 0.522* 0.595* − 0.545 − 0.614* 0.522* 0.617* 0.659* 1  
12. Adherence to a healthy diet 0.703* 0.604* 0.645* 0.700* − 0.705* 0.536* 0.699* − 0.628 − 0.699* − 0.587* − 0.515* 1
  1. * Correlation was significant at the 0.01 level (2-tailed)