Table 1.
Descriptive characteristics of study participants stratified by sex.
| Men | Women | Combined | |
|---|---|---|---|
| n | 718 | 1070 | 1788 |
| Age [Mean (sd) range] | 66.8 (7.9) 55-84 |
67.4 (7.6) 55-84 |
67.2 (7.7) 55-84 |
| BMI [kg/m] [Mean (sd) range] | 30.8 (5.5) 19.6-56.2 |
30.7 (6.3) 18.2-62.4 |
30.7 (6.0) 18.2-62.4 |
| Education [% ≥ College] | 52 | 43 | 47 |
| Race [% White] | 91 | 90 | 90 |
| Knee pain (VAS: 0-100) [Mean (sd)] | 15.3 (18.2) | 21.2 (22.1) | 18.8 (20.9) |
| None (VAS: 0-9) [%] | 47 | 37 | 41 |
| Mild (VAS: 10-39) [%] | 42 | 42 | 42 |
| Moderate/Severe (VAS: ≥ 40) [%] | 11 | 21 | 17 |
| ROA [%] | 53 | 55 | 54 |
| No assistive device use while walking [%] | 97 | 96 | 96 |
| No Comorbidity [%] | 59 | 59 | 59 |
| Study Site [% Alabama] | 39 | 37 | 38 |
| Depressive Symptoms [% CES-D ≥16] | 7 | 11 | 9 |
Abbreviations: BMI = Body Mass Index; VAS= Visual Analogue Scale; ROA= Radiographic Knee Osteoarthritis; CES-D= Center for Epidemiologic Studies Depression Scale