Table 1—

Baseline characteristics of participants by randomization group

VariablesUsual care groupCase management group
n7173
Categorical variables
 Women42 (58)45 (62)
 Caucasians53 (74)61 (85)
 Smoking status
  Never40 (56)41 (57)
  Former30 (42)27 (38)
  Current2 (3)4 (6)
 Marital status
  Never9 (13)4 (6)
  Married50 (69)55 (76)
  Divorced11 (15)9 (13)
  Widowed1 (1)3 (4)
  Other1 (1)1 (1)
Continuous variables
 Age (years)53.4 ± 8.053.3 ± 8.6
 Weight (kg)106.7 ± 24.3107.1 ± 25.5
 BMI (kg/m2)37.5 ± 6.437.6 ± 7.7
 Waist circumference (cm)118.1 ± 16.5116.8 ± 15.5
 HbA1c (%)7.5 ± 1.57.9 ± 1.6
 Cholesterol (mg/dl)
  Total181 ± 37.2183 ± 43.4
  LDL105 ± 33.3105 ± 33.7
  HDL44.6 ± 12.345.4 ± 12.8
  Triglycerides (mg/dl)167 ± 77.2193 ± 76.7
 Number of prescription medications/day5.8 ± 2.66.3 ± 2.9
 Number of diabetes medications/day1.8 ± 0.851.8 ± 0.92
  Insulin (%)2226
  Biguanides (%)6960
  Sulfonylurea (%)5149
  Thiazolidinediones (%)2425
  Other diabetes medications (%)37
SF-36
 Bodily pain63.0 ± 22.862.6 ± 21.9
 General health53.2 ± 22.153.4 ± 20.4
 Health transition47.2 ± 25.452.8 ± 21.2
 Mental health73.7 ± 19.475.4 ± 16.2
 Physical function72.7 ± 25.171.6 ± 21.5
 Role—emotional79.6 ± 33.886.1 ± 28.4
 Role—physical67.6 ± 39.969.4 ± 38.3
 Social functioning78.8 ± 23.583.2 ± 23.3
 Vitality50.7 ± 21.844.9 ± 22.6
 Average of SF-36 Scores65.8 ± 18.466.0 ± 17.4
  • Data are n (%) or means ± SD unless otherwise indicated. No statistically significant differences between groups were noted.