Table 1.
Participant Characteristics of the Weight-Loss Shared Medical Appointments (SMAs) and Patients in the Comparison Group
| Characteristics | SMA Participants (n = 74) | Comparison Group (n = 356) |
|---|---|---|
| Sex (%)* | ||
| Female | 56 (76) | 227 (64) |
| Male | 18 (24) | 129 (36) |
| Age at study entry (years)† | ||
| Mean (SD) | 52.4 (13.1) | 47.0 (13.3) |
| Median | 51.5 | 46.0 |
| Range | 22–81 | 17–88 |
| Weight at baseline (lb)† | ||
| Mean (SD) | 217.3 (46.8) | 184.7 (35.6) |
| Median | 209.0 | 179.0 |
| Range | 139.0–344.0 | 120.0–339.5 |
| BMI at baseline (kg/m2)† | ||
| Mean (SD) | 35.3 (6.3) | 29.4 (4.3) |
| Median | 34.9 | 28.4 |
| Range | 24.6–52.8 | 24.6–48.7 |
| 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) | |
| Median | 2.0 | — |
| Range | 1–13 | |
| Mean time between SMA visits (weeks) | ||
| Mean (SD) | 11.5 (14.6) | |
| Median | 6.4 | — |
| Range | 1.3–61.0 | |
| Total duration studied (months) | ||
| Mean (SD) | 4.0 (6.4) | |
| Median | 1.0 | — |
| Range | 0.03–24 | |
*
Significant at P < .05.
†
Significant at P < .01.