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Table 1 Baseline characteristics of TeamCare

From: Alternation as a form of allocation for quality improvement studies in primary healthcare settings: the on-off study design

Characteristic Intervention (n = 95) Active control (n = 62)  
  n or mean (% or (SD) n or mean (% or SD) p valuea
Age (years) 57.35 (9.97) 59.18 (8.55) 0.2
Sex (% female) 58 (61 %) 29 (47 %) 0.08
BMI (kg/m2) 37.07 (8.10) 36.43 (8.19) 0.6
Waist circumference (cm) 114.0 (18.55) 115.7 (14.50) 0.5
PHQ-9 14.47 (3.85) 14.59 (3.47) 0.9
HbA1c (%) 7.4 (1.78) 7.8 (1.70) 0.2
Systolic BP (mmHg) 126.59 (15.46) 123.54 (16.63) 0.3
Diastolic BP (mmHg) 75.98 (9.43) 74.59 (8.22) 0.4
LDL cholesterol (mmol/L) 2.22 (0.86) 2.15 (0.77) 0.6
HDL cholesterol (mmol/L) 1.09 (0.41) 1.04 (0.36) 0.4
Total cholesterol (mmol/L) 4.38 (1.11) 4.52 (0.98) 0.4
Education to less than high school level 11 (12 %) 10 (16 %) 0.4
Employed 48 (52 %) 31 (51 %) 1.0
White 81 (87 %) 49 (80 %) 0.1
Income (CAD)    
 < $40,000 28 (30 %) 16 (26 %) 0.2
 $40,000–$80,000 23 (25 %) 16 (26 %)
 > $80,000 26 (28 %) 13 (21 %)
Refuse to answer 3 (3 %) 8 (13 %)  
Smoking 23 (25 %) 15 (25 %) 0.5
Alcohol use 70 (75 %) 41 (67 %) 0.3
Psychoactive medicationsb 46 (48 %) 27 (44 %) 0.6
  1. aFrom t test for continuous data or chi-square for categorical data
  2. bAntidepressants, anxiolytics, mood stabilizers, or antipsychotics
  3. BMI body mass index, BP blood pressure, HbA1c glycosylated hemoglobin, HDL high-density lipoprotein, LDL low-density lipoprotein, PHQ-9 Patient Health Questionnaire 9-item CAD=Canadian Dollars