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Table 2 Cronbach’s alpha values, test-retest reliabilities and inter-factor correlations from the first-order confirmatory factor analysis

From: Validation of the Farsi version of the revised Adolescent Sleep Hygiene Scale (ASHSr): a cross-sectional study

  M SD 1. 2. 3. 4. 5. 6. 7.
1. Physiological (α=.73) 4.08 1.01 (.87***)       
2. Behavioral Arousal (α=.74) 3.89 1.30 .34*** (.85***)      
3. Cognitive/Emotional (α=.71) 3.54 1.01 .34*** .47*** (.86***)     
4. Sleep Environment (α=.71) 4.35 1.12 .57*** .40*** .33*** (.84***)    
5. Sleep Stability (α=.75) 3.09 1.23 .16** .32*** .32*** .30*** (.82***)   
6. Daytime Sleep (α=.75) 4.42 1.31 .34*** .44*** .31*** .35*** .28*** (.83***)  
7. ASHSr Total Score (α=.74) 3.88 0.77 .71*** .69*** .73*** .56*** .76*** .55*** (.85***)
  1. Note. α=Cronbach’s alpha. Higher scores in the ASHSr reflect better sleep hygiene practices. In brackets, in the diagonale = Test-retest reliability coefficients for the six ASHSr subscales and the ASHSr total score
  2. ** p < .01. *** p < .001