Table 1.

Participant Characteristics of the Weight-Loss Shared Medical Appointments (SMAs) and Patients in the Comparison Group

CharacteristicsSMA Participants (n = 74)Comparison Group (n = 356)
Sex (%)*
    Female56 (76)227 (64)
    Male18 (24)129 (36)
Age at study entry (years)
    Mean (SD)52.4 (13.1)47.0 (13.3)
    Median51.546.0
    Range22–8117–88
Weight at baseline (lb)
    Mean (SD)217.3 (46.8)184.7 (35.6)
    Median209.0179.0
    Range139.0–344.0120.0–339.5
BMI at baseline (kg/m2)
    Mean (SD)35.3 (6.3)29.4 (4.3)
    Median34.928.4
    Range24.6–52.824.6–48.7
Weight change from baseline (lbs)
    Mean (SD)−1.0 (5.1)+0.8 (7.0)
    Median−0.6+1.2
    Range−48.0 to +36.0−54.0 to +77.0
BMI change from baseline (kg/m2)*
    Mean (SD)−0.3 (2.1)+0.2 (2.1)
    Median−0.2+0.3
    Range−8.2 to +6.3−8.6 to +10.0
Weight (% change from baseline)
    Mean (SD)−1.0 (5.1)+0.8 (7.0)
    Median−0.6+1.2
    Range−18.7 to +14.5−27.3 to +34.3
BMI (% change from baseline)*
    Mean (SD)−1.1 (6.0)+0.8 (7.1)
    Median−0.5+1.1
    Range−27.5 to +15.0−27.3 to +33.3
Number of SMA visits
    Mean (SD)2.9 (2.9)
    Median2.0
    Range1–13
Mean time between SMA visits (weeks)
    Mean (SD)11.5 (14.6)
    Median6.4
    Range1.3–61.0
Total duration studied (months)
    Mean (SD)4.0 (6.4)
    Median1.0
    Range0.03–24
  • * Significant at P < .05.

  • Significant at P < .01.