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Table 1 Demographic, socioeconomic and clinical characteristics of 139 morbidly obese individuals who chose a part residential intensive lifestyle intervention program (ILI) or gastric bypass surgery (RYGB)

From: Health related quality of life after gastric bypass or intensive lifestyle intervention: a controlled clinical study

Variable Total RYGB ILI P-value
  (n=139) (n=76) (n=63)
Women (n, %) 97 (70%) 53 (70%) 44 (70%) .569
Age (years), mean (SD) 46 (11) 43 (11) 47 (11) .021
Onset of obesity (n, %)     
  <12 years 35 (25%) 25 (33%) 10 (16%)  
  12-20 years 28 (20%) 17 (22%) 11 (17%)  
  >20 years 76 (55%) 34 (45%) 42 (67%) .003
BMI (kg/m2), mean (SD) 44 (6) 46 (6) 43 (5) <.001
Married/cohabitant, (n, %) 83 (60%) 45 (60%) 38 (60%) .895
Employment (n, %) 82 (59%) 40 (53%) 42 (67%) .094
Length of education (n, %)     
  Basic (<9 year) 32 (23%) 18 (24%) 14 (22%)  
  Intermediate (9–12 year) 75 (54%) 44 (58%) 31 (49%)  
  Higher (>12 year) 2 (23%) 14 (18%) 18 (29%) .358
Physical activity (n, %)     
  Low 115 (83%) 67 (88%) 48 (76%)  
  High 24 (17%) 9 (12%) 15 (24%) .063
Quality of life scores, mean (SD)     
  Physical dimension a 36 (10) 34 (10) 39 (10) .018
  Mental dimension a 41 (11) 41 (11) 42 (11) .690
  Emotional dimension b 36 (24) 32 (23) 42 (24) .047
  Number of symptoms c 11 (4) 12 (4) 11 (4) .343
  Symptom distress d 41 (21) 43 (21) 38 (20) .173
  1. (a) SF-36 (scale 0–100). (b) OWLQOL (scale 0–102). (c) WRSM (scale 0–20). (d) WRSM (scale 0–120).