TABLE 1: Descriptive characteristics at baseline,
Mean (SD) or n (%)
| No baseline DM (n=893) | Baseline DM (n=94) |
P-value | |
|---|---|---|---|
| Demographic characteristics | |||
| Age (years) | 60.6 (7.8) | 60.7 (8.0) | 0.877 |
| Sex (female) | 531 (59.5%) | 43 (45.7%) | 0.010 |
| Race (white) | 784 (87.8%) | 65 (69.1%) | <.0001 |
| Clinic (UAB) | 425 (47.6%) | 59 (62.8%) | 0.005 |
| Metabolic parameters | |||
| Fasting blood glucose (mg/dL) | 95.4 (9.2) | 141.7 (45.9) | <.0001 |
| Fasting insulin (muU/mL) | 9.0 (7.6) | 14.6 (10.2) | <.0001 |
| HOMA-IR | 2.2 (1.9) | 5.0 (3.7) | <.0001 |
| Anthropometric characteristics | |||
| Weight (kg) | 83.0 (15.8) | 95.9 (19.0) | <.0001 |
| Height (m) | 1.7 (0.08) | 1.7 (0.09) | 0.1105 |
| BMI (kg/m2) | 28.7 (4.7) | 32.5 (5.2) | <.0001 |
| General functional status | |||
| Health status (self-assessment) | |||
| Excellent/Very Good/Good | 840 (94.1%) | 73 (77.7%) | <.0001 |
| Fair/Poor | 53 (5.9%) | 21 (22.3%) | |
| PASE (activity score) | 181.5 (89.3) | 197.2 (98.3) | 0.1088 |
BMI, body mass index; DM, diabetes mellitus; HOMA-IR, homeostasis model of assessment – insulin resistance; PASE, physical activity scale for the elderly; UAB, University of Alabama at Birmingham