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. Author manuscript; available in PMC: 2015 Mar 25.
Published in final edited form as: Contemp Clin Trials. 2013 Oct 29;37(1):1–9. doi: 10.1016/j.cct.2013.10.003

Table 2.

Baseline Characteristics of the Randomized Cohort

Characteristic Overall Standard Care P4W Intervention led by Y
N 509 252 257
Age (years) 51.0 (12.1) 51.2 (12.0) 50.8 (12.2)
Male 149 (29.3) 79 (31.3) 70 (27.2)
Female 360 (70.7) 173 (68.7) 187 (72.8)
African American 290 (57.0) 143 (56.8) 147 (57.2)
Non-Hispanic White 178 (35.0) 87 (34.5) 91 (35.4)
Hispanic or Latino 16 (3.1) 4 (1.6) 12 (4.7)
Other or Multi-Race 25 (4.9) 18 (7.1) 7 (2.7)
BMI (kg/m2) 36.9 (8.6) 36.53 (8.36) 37.3 (8.8)
Weight (lbs) 225.1 (55.9) 223.8 (55.9) 226.6 (56.5)
A1c 6.1 (0.3) 6.0 (0.3) 6.1 (0.3)
Systolic Blood Pressure (mmHg) 132.2 (14.6) 130.9 (13.8) 133.5 (15.2)
Diastolic Blood Pressure (mmHg) 80.3 (9.3) 80.0 (9.3) 80.5 (9.2)
Total Cholesterol (mg/dl) 185.8 (40.0) 184.5 (39.7) 187.0 (40.3)
HDL-C (mg/dl) 42.7 (14.8) 42.1 (14.2) 43.2 (15.4)
Household Income n = 422 n = 205 n = 217
    < $10,000 137 (32.5) 68 (33.2) 69 (31.8)
    $10K – $14.99K 83 (19.7) 36 (17.6) 47 (21.7)
    $15K – $24.99K 92 (21.8) 44 (21.5) 48 (22.1)
    $25K – $34.99K 39 (9.2) 17 (8.3) 22 (10.1)
    $35K – $49.99K 32 (7.6) 20 (9.8) 12 (5.5)
    $50K – $74.99K 19 (4.5) 9 (4.4) 10 (4.6)
    ≥$75,000 20 (4.7) 11 (5.4) 9 (4.2)
Family History Type 2 Diabetes n=503 n=249 n=254
290 (57.7) 143 (57.4) 147 (57.9)

Data are means ± SD or n (%) unless otherwise stated. Percentages may not add up to 100 because of rounding.

*Eligibility criteria: age ≥18 years, A1c 5.7-6.9% OR fasting plasma glucose 5.6–6.9 mmol/l (100-125 mg/dl), BMI ≥24 kg/m2, and systolic/diastolic blood pressure <180/105 mmHg.