Overall | Biologic therapies | SQ MTX | Oral MTX | P-value | |
---|---|---|---|---|---|
N = 382 | n = 218 | n = 49 | n = 115 | ||
Age, mean (SD), y | 48.03 (10.21) | 46.98 (10.44) | 49.46 (9.94) | 49.43 (9.72) | 0.67 |
Gender, % female | 91.10 | 89.45 | 89.80 | 94.78 | 0.25 |
Race of participantsa | |||||
- American Indian | 5 (1.3) | 4 (1.8) | 0 (0.0) | 1 (0.9) | 0.60 |
- Alaska Native | 1 (0.3) | 1 (0.5) | 0 (0.0) | 0 (0.0) | |
- Asian | 3 (0.8) | 1 (0.5) | 1 (2.0) | 1 (0.9) | |
- Native Hawaiian/other Pacific Islander | 1 (0.3) | 1 (0.5) | 0 (0.0) | 0 (0.0) | |
- Black/African-American | 7 (1.8) | 6 (2.8) | 1 (2.0) | 0 (0.0) | |
- White | 353 (92.4) | 200 (91.7) | 45 (91.8) | 108 (93.9) | |
- Other | 12 (3.1) | 5 (2.3) | 2 (4.1) | 5 (4.4) | |
Ethnicity | 0.17 | ||||
- Hispanic or Latino | 19 (5.0) | 8 (3.7) | 5 (10.2) | 6 (5.2) | |
- Not Hispanic or Latino | 360 (94.2) | 209 (95.9) | 43 (87.8) | 108 (93.9) | |
- No answer | 3 (0.8) | 1 (0.5) | 1 (2.0) | 1 (0.9) | |
Participants Reside in the United States | 343 (89.8) | 197 (90.4) | 43 (87.8) | 103 (89.6) | 0.85 |
Participants not from US | 39 (10.2) | 21 (9.6) | 6 (12.2) | 12 (10.4) | |
Participant employment status | |||||
- Full time | 145 (38.0) | 89 (40.8) | 14 (28.6) | 42 (36.5) | 0.09 |
- Part time | 40 (10.5) | 18 (8.3) | 9 (18.4) | 13 (11.3) | |
- Retired | 25 (6.5) | 10 (4.6) | 2 (4.1) | 13 (11.3) | |
- Homemaker | 37 (9.7) | 18 (8.3) | 4 (8.2) | 15 (13.0) | |
- Student | 12 (3.1) | 8 (3.7) | 1 (2.0) | 3 (2.6) | |
- Disabled | 123 (32.2) | 75 (34.4) | 19 (38.8) | 29 (25.2) | |
Participant health insurance | |||||
- Medicare | 52 (13.6) | 29 (13.3) | 7 (14.3) | 16 (13.9) | 0.54 |
- Medicare advantage | 18 (4.7) | 10 (4.6) | 3 (6.1) | 5 (4.4) | |
- Medicaid | 28 (7.3) | 18 (8.3) | 0 (0.0) | 10 (8.7) | |
- Tri-care/Military | 5 (1.3) | 5 (2.3) | 0 (0.0) | 0 (0.0) | |
- Commercial/Private | 227 (59.4) | 134 (61.5) | 27 (55.1) | 66 (57.4) | |
- Other/type | 54 (14.1) | 24 (11.0) | 9 (18.4) | 21 (18.3) | |
- None | 34 (8.9) | 20 (9.2) | 6 (12.2) | 8 (7.0) | |
Monthly co-payment (n) | N/A | ||||
$0 | 47 (21.6) | 2 (4.1) | 15 (13.0) | <0.0001 | |
> $0–25 | 65 (29.8) | 24 (49.0) | 68 (59.1) | ||
$25–$40 | 13 (6.0) | 5 (10.2) | 16 (13.9) | ||
$40–80 | 23 (10.6) | 0 (0.0) | 6 (5.2) | ||
$80–100 | 7 (3.2) | 0 (0.0) | 0 (0.0) | ||
> $100 | 35 (16.1) | 1 (2.1) | 0 (0.0) | ||
Don’t know | 0 (0.0) | 3 (6.1) | 10 (8.7) | ||
Missing | 0 (0.0) | 14 (28.6) | 0 (0.0) |