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Table 4 Intercorrelations between the various variables of the study

From: Body image dissatisfaction and lower self-esteem as major predictors of poor sleep quality in gynecological cancer patients after surgery: cross-sectional study

  1 2 3 4 5 6 7 8 9 10 11 12
1. Subjective sleep quality            
2. Sleep latency 0.770**           
3. Sleep duration Usual 0.664** 0.650**          
4. Sleep efficiency 0.635** 0.598** 0.703**         
5. Sleep disturbances 0.747** 0.579** 0.552** 0.560**        
6. Use of sleep medications 0.122 − 0.032 − 0.039 − 0.030 0.331*       
7. Daytime dysfunction 0.747** 0.660** 0.522** 0.486** 0.530** 0.034      
8. PSQI overall score 0.905** 0.841** 0.781** 0.765** 0.810** 0.170 0.776**     
9. Anxiety (HADS-A) 0.656** 0.529** 0.365* 0.329* 0.518** 0.002 0.489** 0.584**    
10. Depression (HADS-D) 0.688** 0.496** 0.333* 0.313 0.581** 0.151 0.439** 0.596** 0.954**   
11. Body image (BID) 0.541** 0.260 0.296 0.358* 0.425** 0.051 0.367* 0.448** 0.396* 0.489**  
12. Self esteem (RSES) − 0.702** − 0.497** − 0.334* − 0.323* − 0.519** − 0.116 − 0.384* − 0.568** − 0.865** − 0.913** − 0.423**
  1. HADS-A Hospital Anxiety and Depression Scale-Anxiety, HADS-D Hospital Anxiety and Depression Scale-Depression, BID body image dissatisfaction, RSE Rosenberg's Self-Esteem Scale, PSQI Pittsburgh Sleep Quality Index
  2. *p < 0.05; **p < 0.001. Spearman's rank correlation coefficient