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Table 1 Baseline characteristics of patients by randomization group (N = 777)

From: Improving chronic disease prevention and screening in primary care: results of the BETTER pragmatic cluster randomized controlled trial

  Control PF only PP only PF/PP
  (N = 183) (N = 150) (N = 209) (N = 235)
Characteristic     
Age – yr ± SD 54.0 ± 6.4 52.4 ± 7.2 53.3 ± 6.7 52.9 ± 6.9
Female sex -% 69 78 66 77
Minority race or ethnic group -% 11 12 12 11
≥1 yr post-secondary education -% 85 81 88 88
Employment -% Full-time or part-time 70 75 83 74
Marital status -% Married/common-law 73 71 74 83
Total household income -%     
≥ 100,000 CAD 47 47 50 56
≥ 60,000-99,999 CAD 26 28 31 28
Current smoker -% 10 10 15 7
Current alcohol consumption -%     
< 4 times per month 67 65 63 63
≥ 2 times per week 10 10 17 15
Exercise status -%     
Extremely active 20 16 15 21
≤ mildly active 80 84 85 79
Body-mass index – mean ± SD 25.2 ± 5.7 25.3 ± 5.1 26.4 ± 5.8 25.0 ± 4.7
Obese -% 14 16 25 16
GAD-7     
Score - mean ± SD 6.0 ± (5.7) 4.8 ± (4.7) 5.7 ± (5.6) 4.8 ± (4.8)
Range 0 to 21 0 to 21 0 to 21 0 to 21
PHQ-9     
Score - mean ± SD 5.4 ± (5.6) 5.2 ± (5.0) 6.2 ± (6.1) 5.0 (± 5.2)
Range 0 to 27 0 to 24 0 to 27 0 to 23
MOS social support score     
– Mean ± SD 74.3 ± (24.6) 73.0 ± (25.9) 75.0 ± (24.7) 79.2 ± (22.1)
Follow-up time – days ± SD 212.3 ± (40.8) 213.9 ± (42.6) 229.6 ± (50.0) 234.6 ± (54.5)
  1. PF: Practice Facilitator (practice-level intervention); PP: Prevention Practitioner (patient-level intervention).
  2. PF/PP: Combined practice-level and patient-level intervention.
  3. CAD: Canadian dollars.
  4. Body mass index (BMI) is the weight in kilograms divided by the square of the height in meters. Obesity is defined as a BMI ≥30.
  5. GAD-7: Generalized Anxiety Disorder. Score for the 7 items ranges from 0 to 21; scores of 5, 10 and 15 represent cut points for mild, moderate and severe anxiety, respectively [37].
  6. PHQ-9: Patient Health Questionnaire-9. Scores for the nine items ranges from 0 to 27. Scores of 5, 15, and 20 represent cut points for mild, moderate and severe major depressive disorder, respectively [38].
  7. MOS Social Support Questionnaire: Scores for the 22 items range from 0 to 100, higher scores indicate higher level of self-perceived support [39].