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Table 1 Baseline characteristics of total sample and by sex

From: Morbidity and health-related quality of life of patients accessing laparoscopic sleeve gastrectomy: a single-centre cross-sectional study in one province of Canada

  Total population
n = 195
Women
n = 159
Men
n = 36
p-value
  Mean (SD) Range Mean (SD) Range Mean (SD) Range  
Age (years) 44 (10) 22–70 44 (9) 22–70 46 (11) 29–66 p = 0.110
Weight (kg) 134.9 (23.2) 90.0–231.0 130.2 (19.8) 90.0–187.5 155.8 (25.9) 106.0–231.0 P < .001
BMI (kg/m2) 48.8 (6.7) 35.2–67.2 48.7 (6.8) 35.2–67.2 49.6 (6.5) 37.8–60.7 p = 0.428
Obese Class II 16 (8.2%)   13 (8.2%)   3 (8.3%)   p = 0.975
Obese Class III 179 (91.8%)   146 (91.8%)   33 (91.7%)   
  n % n % n %  
Female 159 81.5% 143   52   
Smoking
 Never 81 47.6% 65 45.5% 16 59.3% p = 0.188
 Former 53 31.2% 45 31.5% 8 29.6% p = 0.850
 Current 36 21.2% 33 23.1% 3 10.7% p = 0.142
Marital Status
 Married/Common Law 140 72.2% 109 69.0% 31 86.1% p = 0.039
 Divorced/Separated/Single/
Never married/Widow
54 27.8% 49 31.0% 5 13.9%  
Education
 None/Some High School or diploma 47 24.6% 39 25.0% 8 22.9% p = 0.790
 Some post-secondary/Post-Secondary 144 75.4% 117 75.0% 27 77.1%
Annual Income
  < $15,000 8 4.1% 7 4.4% 1 2.8% p = 0.877
 $15,000 - $29,999 24 12.3% 21 13.2% 3 8.3%
 $30,000 - $49,999 45 23.1% 37 23.3% 8 22.2%
 $50,000 – $79,999 38 19.5% 30 18.9% 8 22.2%
  ≥ $80,000 53 27.2% 41 25.8% 12 33.3%
 Not Answered 27 13.8% 23 14.5% 4 11.1%
Employment Status
 Full-time/Part-time 120 61.9% 98 61.6% 22 62.9% p = 0.893
 Other 74 38.1% 61 38.4% 13 37.1%
Race
 Caucasian 179 95.2% 146 95.4% 33 94.3% p = 0.776
 Other 9 4.8% 7 4.6% 2 5.7%
 Average # of comorbidities (SD) 5.4 (2.7) 0–16 5.2 (2.8) 0–16 6.3 (2.3) 2–11
Number of Comorbidities
  < 4 49 26.1% 45 28.8% 4 12.5% p = 0.055
  ≥ 4 139 73.9% 111 71.2% 28 87.5%