Table 1 General characteristics of participants; overall and by the presence of arthritis
From: Discriminative validity of the EQ-5D-5 L and SF-12 in older adults with arthritis
Overall (N = 2844) | Without Arthritis (N = 1802) | With Arthritis (N = 1042) | P-value | |
|---|---|---|---|---|
Mean ± SD, or N(%) | Mean ± SD, or N(%) | Mean ± SD, or N(%) | ||
Age – years | 68.6 ± 5.9 | 68.1 ± 5.8 | 69.4 ± 5.9 | < 0.001 |
50–64 | 520 (22.3) | 360 (25.4) | 160 (17.5) | |
65–74 | 1442 (61.7) | 862 (60.8) | 580 (63.3) | |
> = 75 | 373 (16.0) | 197 (13.9) | 176 (19.2) | |
Gender | ||||
Male | 1286 (45.2) | 883 (49.0) | 403 (38.7) | < 0.001 |
Female | 1558 (54.8) | 919 (51.0) | 639 (61.3) | |
Highest level of Education | ||||
Some high School/College | 305 (10.7) | 188 (10.4) | 117 (11.2) | 0.800 |
University/college | 1450 (51.0) | 923 (51.2) | 527 (50.6) | |
Graduate | 1089 (38.3) | 691 (38.4) | 398 (38.2) | |
Current employment status | ||||
Retired | 2595 (91.2) | 1625 (90.2) | 970 (93.1) | 0.047 |
Full-time employee | 33 (1.2) | 23 (1.3) | 10 (1.0) | |
Part-time employee | 140 (4.9) | 103 (5.7) | 37 (3.6) | |
Other | 76 (2.7) | 51 (2.8) | 25 (2.4) | |
Total annual household income | ||||
< $60,000 | 787 (27.7) | 479 (26.6) | 308 (29.6) | < 0.001 |
$60,000–$99,999 | 1183 (41.6) | 749 (41.6) | 434 (41.7) | |
> $100,000 | 473 (16.6) | 335 (18.6) | 138 (13.2) | |
Prefer not to answer | 401 (14.1) | 239 (13.3) | 162(15.6) | |
Ethnicity | ||||
White | 2747 (96.6) | 1735 (96.3) | 1012 (97.1) | 0.235 |
Non-White | 97 (3.4) | 67 (3.7) | 30 (2.9) | |
BMI | 27.2 ± 4.8 | 26.8 ± 4.6 | 27.8 ± 5.2 | < 0.001 |
Total No. of chronic conditions (0–13) | 2.02 ± 1.70 | 1.35 ± 1.37 | 2.17 ± 1.59 | < 0.001 |
No chronic condition | 610 (21.5) | 610 (33.8) | 144 (13.8) | < 0.001 |
1 chronic condition | 638 (22.4) | 494 (27.4) | 255 (24.5) | |
2 chronic conditions | 617 (21.7) | 362 (20.1) | 258 (24.8) | |
3+ chronic conditions | 979 (34.4) | 336 (18.7) | 385 (36.9) | |