Table 2. National Diabetes Prevention Program Participant Outcomes for Weight Loss, Physical Activity, and Program Attendancea, Colorado, 2015–2018.
| Outcome | Total (No. = 1,007) | <5% Weight Loss (n = 668) | ≥5% Weight Loss (N = 339) | P Valueb | P Valuec |
|---|---|---|---|---|---|
| Weight change | |||||
| Weight change, mean (SD), lbs | 8.0 (11.1) | 2.6 (4.9) | 18.7 (2.0) | <.001 | NA |
| Weight change, % | 4.1 (5.0) | 1.3 (2.5) | 9.4 (4.4) | <.001 | |
| Average physical activity, min/wk | |||||
| Self-reported mean (SD) | 181.9 (118.0) | 162.5 (104.7) | 220.0 (132.7) | <.001 | NA |
| Percentage with ≥150 | 52.2 | 44.3 | 67.8 | <.001 | |
| Attendance, mean, SD | |||||
| No. of sessions attended | 16.0 (6.4) | 14.4 (6.2) | 19.0 (5.6) | <.001 | NA |
| No. months in program | 6.9 (3.8) | 6.0 (3.7) | 8.6 (3.4) | <.001 | |
| Attendance groupsd, % | |||||
| Low attendance | 19.3 | 25.3 | 7.4 | <.001 | <.001 |
| Moderate attendance | 40.2 | 44.8 | 31.3 | <.001 | |
| High attendance | 40.5 | 29.9 | 61.4 | <.001 | |
Abbreviation: NA, not applicable.
Values are reported as column percentage or mean (SD) unless otherwise indicated. Percentages may not sum to 100% because of rounding to nearest decimal place.
P value comparing proportions within groups.
P value for post-hoc pairwise comparisons.
Attendance groups based on Diabetes Prevention and Recognition Program standards (8). High attendance — core sessions and maintenance; participants attended ≥9 sessions in the first 6 months and ≥3 sessions in the second 6 months. Moderate attendance — core sessions only; participants attended ≥9 sessions in the first 6 months but <3 sessions in the second 6 months. Low attendance — participants attended ≤8 sessions in the first 6 months, regardless of attendance in the second 6 months.