| Characteristics | Mean SScQoL score (95% CI) | P value | SMD |
---|---|---|---|---|
Sex | Male (n = 20) | 16.8 (12.7–21.0) | 0.372 | 0.216 |
Female (n = 77) | 18.6 (16.9–20.4) | |||
Age |  ≤ 65 years (n = 65) | 19.0 (17.1–21.0) | 0.169 | 0.304 |
 > 65 years (n = 30) | 16.6 (13.6–19.6) | |||
Education | Compulsory/no education (n = 14) | 20.3 (16.5–24.0) | 0.328 | 0.306 |
Secondary/tertiary (n = 85) | 18.0 (16.3–19.8) | |||
Marital status | Single, divorced, or widowed (n = 29) | 17.3 (14.1–20.5) | 0.374 | 0.194 |
Married/cohabiting (n = 68) | 18.9 (17.1–20.8) | |||
Disease subset* | dcSSc (n = 36) | 20.9 (18.6–23.2) | 0.232 | 0.294 |
lcSSc (n = 31) | 18.7 (15.7–21.7) | |||
Disease duration* |  ≤ 2 years (n = 12) | 18.6 (13.0–24.2) | 0.858 | 0.052 |
 > 2 years (n = 83) | 19.0 (17.4–20.7) | |||
Comorbidities* | 0–2 comorbidities (n = 48) | 14.3 (12.1–16.6) |  < 0.001 | 1.147 |
 > 2 comorbidities (n = 52) | 22.3 (20.6–24.0) | |||
Depression* | Yes (n = 15) | 24.3 (22.3–26.4) | 0.002 | 1.097 |
No (n = 84) | 17.4 (15.6–19.2) | |||
GI-problems* | Yes (n = 60) | 21.2 (19.6–22.9) |  < 0.001 | 0.937 |
No (n = 40) | 14.3 (11.6–17.0) | |||
Lung problems* | Yes (n = 38) | 19.6 (17.2–22.0) | 0.262 | 0.236 |
No (n = 62) | 17.8 (15.6–19.9) | |||
Heart problems* | Yes (n = 27) | 20.0 (17.2–22.9) | 0.204 | 0.296 |
No (n = 72) | 17.8 (15.8–19.7) | |||
Backpain* | Yes (n = 41) | 20.7 (18.2–23.2) | 0.018 | 0.496 |
No (n = 56) | 16.8 (14.7–18.9) | |||
Osteoarthritis* | Yes (n = 41) | 21.3 (19.0–23.6) | 0.002 | 0.643 |
No (n = 57) | 16.4 (14.3–18.5) |