Table 2. Program Metrics for DPP Participants (N = 165) by Achievement of 5% Weight-Loss Goal, Vanderbilt University Medical Center Faculty and Staff Health and Wellness DPP, 2014–2017a .
| Metric | 5% Weight-Loss Goal Not Metb | 5% Weight-Loss Goal Metb | P Valuec |
|---|---|---|---|
| No. of participants | 93 | 72 | — |
| Physical activity, minutes per week | |||
| Core phase | 132.0 (91.5–164.0) | 163.5 (132.8–220.5) | <.001 |
| Postcore phase | 120.0 (62.5–173.0) | 165.0 (119.0–231.0) | <.001 |
| Overall program | 128.5 (83.2–169.8) | 166.0 (135.2–223.0) | <.001 |
| No. of sessions of attended | |||
| Core phase | 14 (12–15) | 15 (14–15) | <.001 |
| Postcore phase | 4 (0–7) | 8 (6–10) | <.001 |
| Overall program | 18 (12–21) | 23 (21–25) | <.001 |
| Last session attendedd | 23 (16–25) | 25 (23–26) | <.001 |
| Percentage of weight loss | |||
| Core phase | 2.5 (0.6–4.4) | 7.2 (5.7–10.3) | <.001 |
| Overall program | 1.3 (0–3.3) | 8.0 (6.2–13.9) | <.001 |
| Absolute weight loss, kg | |||
| Core phase | 2.3 (0.9–4.1) | 6.4 (5.0–8.7) | <.001 |
| Overall program | 1.4 (0–3.2) | 7.5 (5.3–13.3) | <.001 |
Abbreviation: DPP, Diabetes Prevention Program.
a
Classes were delivered in person in a group setting and were organized into 16 core sessions during the first 6 months of the program, followed by 6 to 10 postcore sessions during the second 6 months of the program.
b
Values are median (interquartile range) unless otherwise indicated.
c
P value for the nonparametric Wilcoxon rank-sum test.
d
Of the sessions offered, numbered sequentially from 1 to 26, the last session attended.