Table 1. Baseline descriptive characteristics of ILI and DSE interventions among all participants with knee pain.
| Characteristics | DSE (n = 1,108) | ILI (n = 1,095) | P |
|---|---|---|---|
| Demographics | |||
| Age (years)a | 59.4 (7.0) | 58.8 (6.7) | 0.05 |
| Genderb | |||
| Men | 376 (33.9) | 396 (36.2) | 0.27 |
| Women | 732 (66.1) | 699 (63.8) | |
| Ethnicityb | |||
| African-American | 181 (16.3) | 202 (18.4) | 0.51 |
| American Indian/Alaskan native | 56 (5.1) | 53 (4.8) | |
| Asian/Pacific Islander | 10 (0.9) | 8 (0.7) | |
| Hispanic/Latino American | 113 (10.2) | 131 (12.0) | |
| Non-Hispanic white | 723 (65.2) | 677 (61.8) | |
| Other/multiple | 25 (2.3) | 24 (2.1) | |
| Anthropometric/cardiovascular/metabolic | |||
| BMI (kg/m2)a | 37.2 (6.1) | 37.0 (6.2) | 0.43 |
| Weight (kg)a | 103.6 (19.1) | 102.1 (19.6) | 0.55 |
| Waist circumference (cm)a | 116.0 (13.5) | 115.4 (14.4) | 0.32 |
| Metabolic equivalents at 80% max heart rate (ml O2 × kg−1 × min−1 × 3.5) | 4.85 (1.46) | 4.97 (1.48) | 0.06 |
| Metabolic equivalents at 100% max heart rate (ml O2 × kg−1 × min−1 × 3.5) | 6.72 (1.84) | 6.89 (1.89) | 0.04 |
| %Hemoglobin A1c (mg/dl) | 7.28 (1.15) | 7.24 (1.11) | 0.41 |
| Health-related quality of life | |||
| Beck Depression Inventorya | 6.3 (4.7) | 6.8 (5.6) | 0.03 |
| Presence of goutb | 31 (2.8) | 16 (1.5) | 0.03 |
| WOMAC pain scalea | 3.9 (3.0) | 3.7 (2.9) | 0.08 |
| WOMAC stiffness scale | 1.89 (1.53) | 1.87 (1.48) | 0.73 |
| WOMAC physical function scalea | 11.5 (10.1) | 11.3 (9.9) | 0.66 |
| WOMAC summary score | 17.30 (13.53) | 16.86 (13.14) | 0.43 |
| Pain medication/surgery | |||
| Nonsteroidal anti-inflammatory use | 403 (36.4) | 378 (34.5) | 0.36 |
| Knee arthroscopy, or knee or hip replacement | 7 (0.6) | 14 (1.3) | 0.11 |
DSE, Diabetes Support and Education; ILI, Intensive Lifestyle Intervention; WOMAC, Western Ontario and McMaster Universities Osteoarthritis Index.
a
Data are presented as means (s.d.).
b
Data are presented as number (%).