Table 1.
Baseline characteristics of participants with diffuse SSc
| Characteristics | Sample (n = 32) |
Intensive Group (n = 16) |
App Alone Group (n = 16) |
|---|---|---|---|
| Age | 51.6 (13.4) | 48.5 (12.6) | 54.8 (13.7) |
| Female (%, n) | 71.9% (23) | 75% (12) | 68.8% (11) |
| African American (%, n) | 21.8% (7) | 18.8% (3) | 25.0% (4) |
| Hispanic/Latino (%, n) | 3.1% (1) | 6.3% (1) | 0 0 |
| Married (%, n) | 56.3% (18) | 50% (8) | 62.5%(10) |
| High school education (%, n) | 25% (8) | 25%(4) | 25% (4) |
| Modified Rodnan skin score (mean, s.d., possible range 0–51) | 19.6 (9.4) | 22.7 (11.1) | 16.5 (6.3) |
| Handgrip strength (maximum)(kg/pressure, mean, s.d.) | 21.1 (9.5) | 20.3 (9.9) | 21.8 (9.5) |
| Right 3 tip pinch strength (kg/pressure, mean, s.d.) | 5.6 (1.9) | 5.6 (2.0) | 5.5 (2.0) |
| Left 3 tip pinch strength (kg/pressure, mean, s.d.) | 5.4 (1.5) | 5.3 (1.5) | 5.5 (1.6) |
| Right 9-hole peg test (sec, mean, s.d.) | 26.6 (11.8) | 24.2 (12.1) | 29.0 (11.3) |
| Left 9-hole peg test (sec, mean, s.d.) | 24.8 (9.1) | 23.0 (5.6) | 26.6 (11.5) |
| QuickDASH disability score (mean, s.d., possible range 0–100) | 48.8 (21.5) | 53.5 (22.2) | 44.0 (20.4) |
| PROMIS physical function (t score, mean, s.d.) | 37.3 (6.2) | 37.3 (7.5) | 37.2 (4.9) |
| PROMIS satisfaction with participation (t score, mean, s.d.) | 38.0 (9.8) | 37.0 (10.6) | 39.0 (9.1) |
| Left hand total active motion (mean, s.d.) | 806.6 (176.0) | 789.8 (184.3) | 823.4 (171.6) |
| Right hand total active motion (mean, s.d.) | 754.8 (167.7) | 747.0 (149.1) | 762.6 (189.1) |
Note: For QuickDASH, a higher score denotes more disability. PROMIS measures are on a t metric in which the mean = 50 and s.d. = 10. A higher score denotes more physical function or satisfaction. For right and left total active motion the maximum possible is 1175 degrees.