Table 2 Participant demographic characteristics stratified by difficulty in executing or participating in an activity
Variables | Overall | Have difficulty | No difficulty |
|---|---|---|---|
N = 3604 | N = 1274 | N = 2330 | |
N(%) | % | % | |
Gender = Female | 1833(54.7) | 64.0 | 49.4 |
Age (median [IQR]) | 67.00 [62.00, 73.00] | 68.00 [62.00, 75.00] | 66.00 [62.00, 72.00] |
Age group (years) | |||
 20–39 | 129(5.2) | 8.3 | 3.4 |
 40–59 | 121(5.8) | 10.6 | 3.2 |
 60–79 | 2934(80.2) | 68.4 | 86.9 |
 80 or above | 420(8.8) | 12.7 | 6.5 |
Ethnicity/race | |||
 Mexican American | 390(3.5) | 4.1 | 3.2 |
 Other Hispanic | 341(2.9) | 2.3 | 3.3 |
 Non-Hispanic White | 1754(81.1) | 81.4 | 80.9 |
 Non-Hispanic Black | 720(7.1) | 7.1 | 7.0 |
 Other Race | 399(5.4) | 5.1 | 5.6 |
Education | |||
 < 9th grade | 332(3.7) | 4.1 | 3.4 |
 9-11th grade | 392(7.0) | 7.9 | 6.6 |
 High school | 780(21.3) | 22.8 | 20.4 |
 College or University | 2100(68.0) | 65.3 | 69.6 |
BMI (mean (SD)) | 29(6) | 30(7) | 28(5) |
BMI group | |||
 Underweight | 45(1.2) | 1.2 | 1.2 |
 Normal | 949(26.2) | 23.1 | 28.0 |
 Overweight | 1374(36.9) | 31.0 | 40.3 |
 Obese | 1236(35.7) | 44.7 | 30.5 |
General health condition | |||
 Excellent | 391(13.1) | 6.6 | 16.8 |
 Good or very Good | 2674(77.9) | 78.6 | 77.5 |
 Fair or Poor | 539(9) | 14.8 | 5.8 |
Arthritis type | |||
 No arthritis | 2598(66.9) | 54.4 | 74.1 |
 Osteoarthritis | 765(27.9) | 37.9 | 22.1 |
 Rheumatoid arthritis | 241(5.2) | 7.7 | 3.8 |
Depressiona = Yes | 601(16.6) | 22.2 | 13.4 |
Smoking = No | 1983(55.3) | 53.6 | 56.2 |