Table 1

Characteristics of diabetes patients of 95 physicians randomised to intervention (n=48) or control (n=47) who completed follow-up

Patient characteristicBaselineFollow-up
Intervention (n=715)Control (n=467)Total (n=1182)Intervention (n=479)Control (n=466)Total (n=945)
Age (years)58.7 (13.59)60.6 (13.79)59.4 (13.70)61.3 (13.42)60.5 (12.71)60.9 (13.09)
Gender, female360 (51.1%)230 (49.5%)590 (50.5%)260 (54.5%)252 (54.4%)512 (54.5%)
Race, African American97 (13.9%)99 (21.3%)196 (16.9%)102 (21.4%)143 (30.9%)245 (26.1%)
Obesity*274 (38.3%)193 (41.3%)467 (39.5%)97 (20.3%)75 (16.1%)172 (18.2%)
Smoker, current85 (12.5%)55 (12.3%)140 (12.4%)63 (13.8%)53 (13.0%)116 (13.4%)
No self-testing168 (33.6%)114 (36.3%)282 (34.6%)189 (41.4%)183 (44.7%)372 (43.0%)
Non-adherence to appointments75 (11.0%)54 (12.0%)129 (11.4%)10 (2.2%)23 (5.6%)33 (3.8%)
Insurance, Medicaid65 (9.1%)51 (10.9%)116 (9.8%)66 (13.8%)58 (12.4%)124 (13.1%)
Comorbidities
 Diabetes complications†147 (20.6%)110 (23.6%)257 (21.7%)156 (32.6%)134 (28.8%)290 (30.7%)
 Insulin use103 (14.4%)66 (14.1%)169 (14.3%)84 (17.5%)68 (14.6%)152 (16.1%)
 Hypertension473 (66.2%)304 (65.1%)777 (65.7%)327 (68.3%)283 (60.7%)610 (64.6%)
 Hyperlipidaemia110 (15.4%)85 (18.2%)195 (16.5%)11 (2.30%)17 (3.7%)28 (3.0%)
 Peripheral vascular disease47 (6.6%)31 (6.6%)78 (6.6%)41 (8.6%)35 (7.5%)76 (8.0%)
 Coronary artery disease135 (18.9%)83 (17.8%)218 (18.4%)111 (23.2%)95 (20.4%)206 (21.8%)
 Vascular intervention‡60 (8.4%)47 (10.1%)107 (9.1%)36 (7.5%)40 (8.6%)76 (8.0%)
 Depression105 (14.7%)61 (13.1%)166 (14.0%)84 (17.5%)60 (12.9%)144 (15.2%)
  • A prior version of this table has been reported (reproduced with permission).15

  • Values are mean (SD) or n (%).

  • *Obesity: body mass index ≥ 30 kg/m2 or clinical diagnosis.

  • †Diabetes complications: retinopathy, neuropathy or nephropathy.

  • ‡Vascular intervention: coronary artery bypass grafting, stent, percutaneous coronary angioplasty.