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Table 1 Sample characteristics at baseline

From: Waste the waist: a pilot randomised controlled trial of a primary care based intervention to support lifestyle change in people with high cardiovascular risk

Variable Whole sample a N Intervention N Control N p b
Weight (kg) 97.1 (13.4) 108 96.6 (14.0) 55 97.6 (12.8) 53 0.715
BMI (Kg/m2) 32.7 (3.1) 108 33.0 (3.2) 55 32.3 (3.0) 53 0.253
Waist (cm) 110 (9.8) 108 110 (10.7) 55 110 (8.8) 53 0.818
Impaired fasting glucose (IFG) 9 (8.5%) 106 3 (5.7%) 53 6 (11.3%) 53 0.488
Male gender 75 (69.4%) 108 36 (65.5%) 55 39 (73.6%) 53 0.407
Age (yrs) 65.1 (7.0)* 108 66.6 (6.4) 55 63.7 (7.4) 53 0.032*
Area deprivation (IMD score) 11.9 (9.5) 108 12.0 (9.2) 55 11.7 (9.8) 53 0.860
Ethnicity        
White British 106 (98.1%) 108 54 (98.2%) 55 52 (98.1%) 53  
White Irish 1 (0.9%) 108 0 (0%) 55 1 (1.9%) 53  
White Other 1 (0.9%) 108 1 (1.8%) 55 0 (0.0%) 53 0.368
Systolic BP (mmHg) 138.6 (16.0) 108 137.7 (15.7) 55 139.5 (16.4) 53 0.577
Diastolic BP (mmHg) 82.0 (11.9) 108 79.8 (13.7) 55 84.3 (9.3) 53 0.046*
Fasting glucose (mmol/l) 5.28 (0.56) 106 5.21 (0.50) 53 5.36 (0.60) 53 0.164
Fasting LDL (mmol/l) 3.19 (0.96) 106 3.19 (0.95) 55 3.20 (0.99) 51 0.930
Fasting HDL (mmol/l) 1.37 (0.37) 107 1.36 (0.34) 55 1.39 (0.39) 52 0.672
Fasting total (mmol/l) 5.36 (1.16) 107 5.29 (1.05) 55 5.44 (1.27) 52 0.519
Triglycerides (mmol/l) 1.72 (0.81) 107 1.70 (0.70) 55 1.74 (0.92) 52 0.810
Hba1c (mmol/l) 38.6 (4.29) 106 38.1 (3.5) 54 39.1 (5.0) 52 0.231
Liver function: ALT (IU/l) 28.9 (11.3) 103 27.6 (11.2) 53 30.3 (11.3) 50 0.235
Metabolic syndrome 61 (57.5%) 106 29 (53.7%) 54 32 (61.5%) 52 0.415
QRISK2 Score: 10 year risk (%) 23.1 (10.1) 106 23.6 (9.8) 55 22.5 (10.4) 51 0.556
Dietary intake (DINE scores)        
Fat score 31.1 (10.1) 106 30.0 (9.1) 54 32.2 (10.9) 51 0.252
Unsaturated fat score 9.04 (1.80) 105 9.31 (1.65) 54 8.75 (1.93) 51 0.106
Fibre score 36.8 (10.8) 105 36.7 (11.6) 54 37.0 (10.0) 51 0.903
Fruit and Veg score 21.3 (6.9) 105 21.6 (7.3) 54 21.1 (6.6) 51 0.748
Physical activity        
MVPA (min /day) 22.0 (19.5) 106 22.5 (22.3) 53 21.6 (16.5) 53 0.813
Sedentary time (min /day) 567.6 (84.1)) 106 588.8 (74.4) 53 546.4 (88.5) 53 0.009*
Steps /day 6486 (2757) 106 6420 (3016) 53 6551 (2499) 53 0.807
Counts /minute of valid wear-time (Axis 1) 255.6 (113.1) 106 240.6 (118.4) 53 270.5 (106.6) 53 0.175
EQ-5D VAS overall health score 76.7 (15.9) 107 77.0 (14.9) 55 76.4 (17.0) 52 0.843
Education levels        
Up to age 16 or less 50 (46.3%) 108 20 (36.4%) 55 30 (56.6%) 53  
Up to age 18 8 (7.4%) 108 6 (10.9%) 55 2 (3.8%) 53  
Some additional 23 (21.3%) 108 14 (25.5%) 55 9 (17.0%) 53  
Undergraduate or higher degree 27 (25.0%) 108 15 (27.3%) 55 12 (22.7%) 53 0.193
  1. aFigures are mean (SD) for continuous data, or N(%) for categorical data. bAnalyses are independent group t-tests for continuous data or Chi2 for categorical data. *p<0.05.