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Table 2 Baseline population characteristics

From: A randomized controlled trial to prevent glycemic relapse in longitudinal diabetes care: Study protocol (NCT00362193)

Characteristic Control Group (n = 54) Moderate Intensity Group (n = 55) High Intensity Group (n = 55)
Age, yrs 56.2 ± 10 55.7 ± 11 53.5 ± 11
Female, n (%) 23 (43) 21 (38) 28 (51)
African American, n (%) 7 (13) 16 (29) 12 (22)
≥ High School, n (%) 47 (87) 49 (89) 50 (91)
Duration of diabetes, yrs 5.5 (0.7–10) 4.0 (0.5–10) 4.0 (0.5–10)
Insulin use, n (%) 32 (54) 49 (45) 50 (58)
Units of insulin per day 39 (24–79) 59 (32–100) 61 (25–93)
Weight, lbs 225 ± 48 215 ± 37 223 ± 51
BMI 34 ± 7 33 ± 6 35 ± 7
Waist circumference, in 43.5 ± 6.2 41.8 ± 4.8 43.3 ± 6.3
HbA1c 6.7 ± 0.7 6.6 ± 0.7 6.8 ± 0.6
Systolic BP 126 ± 15 125 ± 17 127 ± 15
Diastolic BP 72 ± 9 72 ± 11 73 ± 12
Total cholesterol 177 ± 28 178 ± 35 174 ± 34
HDL 43 ± 13 44 ± 11 41 ± 11
LDL 97 ± 28 97 ± 30 98 ± 31
Triglycerides 185 (124–229) 168 (124–246) 161 (112–219)
CES-D 9 (4–18) 10 (4–17) 7 (4–14)
DEE 3007 ± 671 2963 ± 659 3097 ± 869
PAL 1.31 ± 0.08 1.32 ± 0.08 1.34 ± 0.09
MVPA 62 (35–91) 61 (40–116) 77 (41–126)
  1. Reported as mean ± standard deviation or median (interquartile range).
  2. n – number; BMI – body mass index (kg/m2); HbA1c – glycated hemoglobin (%); BP – blood pressure; HDL – high-density lipoprotein (mg/dL); LDL – low-density lipoprotein (mg/dL); DEE – daily energy expenditure (kcal); PAL – physical activity level = total energy expenditure/resting energy expenditure; MVPA – moderate to vigorous physical activity (intensity >3 × resting energy expenditure) (min/day)