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Table 5 Correlations* in ratings of change between the LAVAL Questionnaire and related instruments

From: The laval questionnaire: a new instrument to measure quality of life in morbid obesity

  LAVAL Questionnaire domains
  Symptoms Activity/Mobility Personal hygiene/Clothing Emotions Social interactions Sexual life
BMI (kg/m2) -0.07 -0.18 -0.08 -0.15 -0.22 -0.02
SF-36       
• Physical functioning   0.70 0.55    
• Role - physical   0.61 0.54‡†    
• Bodily pain 0.57      
• General health perception 0.62      
• Energy/vitality 0.50    0.61   
• Social functioning      0.64  
• Role - emotions     0.43   
• Mental health     0.61   
IWQOL-Lite       
• Physical function 0.73 0.87 0.74    
• Self-esteem     0.72 0.60  
• Sexual life       0.53
• Public distress      0.74  
SES     0.05   
BDI     -0.71   
  1. * Pearson's coefficients of correlation; the coefficients in bold characters are those that met our a priori predictions regarding their direction and magnitude (see text).
  2. † Non significant correlation
  3. ‡ p < 0.01
  4. Note: The negative coefficients of correlation obtained with the BMI and the BDI are from the higher scores on these measures indicating worse quality of life.