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Table 1 Baseline characteristics of patient enrolled in the MPR and comparison of predictors of completer and non-completers

From: A predictive model for non-completion of an intensive specialist obesity service in a public hospital: a case-control study

Patients All (N = 219) Non- Completers (n = 78) Completers (n = 141) P-value
Age, years 52 (14) 47 (15) 55 (13) < 0.001
Gender, male 96 (44%) 37 (47%) 59 (42%) 0.42
Distance from clinic, km 19 (14) 22 (14) 17 (14) 0.018
Weight, kg 140 (38) 143 (40) 139 (37) 0.48
BMI, kg/m2 50 (11) 50 (12) 49 (11) 0.58
 Obese class II (BMI ≥35.00 to 39.99) 37 (17%) 12 (15%) 25 (18%) 0.66
 Obese class III (BMI ≥40.00) 182 (83%) 66 (85%) 116 (82%)
Waist circumference, cm (n = 202) 136 (19) 137 (21) 136 (18) 0.79
Smoking status 0.86
 Never smoked 142 (65%) 50 (64%) 90 (65%)  
 Current smoker 22 (10%) 7 (9%) 15 (11%)  
 Previous smoker 55 (25%) 21 (27%) 34 (24%)  
Systolic blood pressure, mmHg 128 (16) 127 (16) 129 (16) 0.42
Diastolic blood pressure, mmHg 76 (13) 76 (11) 76 (14) 0.86
Depression 57 (26%) 22 (28%) 35 (25%) 0.59
Anxiety 9 (4.1%) 1 (1.3%) 8 (5.7%) 0.16
OSA (n = 218) 113 (52%) 33 (42%) 80 (57%) 0.050
CPAP (n = 218) 49 (23%) 9 (12%) 40 (28%) 0.005
Diabetes (n = 218) 141 (65%) 44 (56%) 97 (69%) 0.057
No. of years since diagnosis of diabetes (n = 140) 7.8 (7.2) 6.8 (7.1) 8.3 (7.2) 0.24
Medications
 Insulin 48 (22%) 13 (17%) 35 (25%) 0.16
 Metformin 121 (55%) 43 (55%) 78 (55%) 0.98
 No. of antihypertensive 0.68
  0 66 (30.1%) 24 (30.8%) 42 (29.8%)  
  1 59 (26.9%) 25 (32.1%) 34 (24.1%)
  2 50 (22.8%) 15 (19.2%) 35 (24.8%)
  3 30 (13.7%) 9 (11.5%) 21 (14.9%)
   ≥ 4 14 (6.4%) 5 (6.4%) 9 (6.4%)
Blood biochemistry
 HbA1c, % (n = 174) 7.1 (2.4) 7.3 (2.4) 7.1 (2.4) 0.57
 HbA1c, mmol/L (n = 174) 78 (26) 80 (26) 77 (26) 0.57
  1. Data are mean (standard deviation) unless otherwise specified; BMI body mass index; HbA1c, glycosylated haemoglobin; p-value for independent samples t-test for continuous variables or for chi-square test for categorical variables