Table 1. Characteristics of Study Sample by Diabetes Status.
| Characteristics | No Diabetes n=750 |
IFG n=107 |
Diabetes n=126 |
p-value |
|---|---|---|---|---|
| Age in years, mean (SD) | 74.6 (7.4) | 74.8 (6.8) | 75.4 (7.5) | 0.50 |
| Women, % | 46.8 | 56.1 | 57.2 | 0.09 |
| Education in years, mean (SD) | 5.5 (3.4) | 4.9 (2.7) | 4.9 (3.2) | 0.05 |
| BMI in kg/m2, mean (SD) | 27.1 (4.0) | 29.1 (4.2) | 28.6 (4.2) | < 0.01 |
| < 22, % | 8.3 | 1.9 | 4.0 | < 0.01 |
| 22-24, % | 21.6 | 17.8 | 15.9 | |
| 25-29, % | 45.5 | 39.3 | 38.9 | |
| 30+, % | 19.7 | 41.1 | 34.9 | |
| BMI missing, % | 4.9 | 0.0 | 6.4 | |
| Medical Conditions | ||||
| CHD, % | 6.5 | 8.4 | 14.3 | 0.01 |
| CHF, % | 5.8 | 9.3 | 17.1 | < 0.01 |
| CKD, % | 27.8 | 32.7 | 20.0 | 0.10 |
| Hypertension, % | 63.3 | 71.8 | 69.7 | 0.10 |
| PAD, % | 10.9 | 15.8 | 15.0 | 0.20 |
| Stroke, % | 5.8 | 1.9 | 9.6 | 0.04 |
| Physical Performance Tests | ||||
| SPPB Score, mean (SD) | 9.8 (3.2) | 10.0 (2.9) | 8.7 (4.0) | < 0.01 |
| Walk Score, mean (SD) | 3.6 (1.0) | 3.6 (0.9) | 3.2 (1.3) | < 0.01 |
| Balance Score, mean (SD) | 3.3 (1.2) | 3.3 (1.2) | 2.9 (1.5) | 0.01 |
| Chair Score, mean (SD) | 3.0 (1.3) | 3.1 (1.2) | 2.5 (1.6) | < 0.01 |
| Usual Walking Speed in m/s, mean (SD) | 1.1 (0.3) | 1.0 (0.3) | 0.9 (0.3) | < 0.01 |
Abbreviations: IFG= Impaired Fasting Glucose; BMI = Body Mass Index; CHD = Coronary Heart Disease; CHF = Congestive Heart Failure; CKD = Chronic Kidney Disease; PAD = Peripheral Artery Disease; SPPB = Short Physical Performance Battery.