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Table 1 Characteristics of the study population. Means, standard deviations, percentages, minimum - maximum and 95% confidence interval
| Sociodemographic and descriptive characteristics | Mean (SD) | Min-max | 95% CI |
|---|---|---|---|
| Age, mean (SD) | 74.2 (5.8) | 65–89 | 73.3–75.1 |
| Education, in years, mean (SD) | 13.1 (3.4) | 7–22 | 12.6–13.7 |
| Living alone Yes % | 45.1 | ||
| No % | 54.9 | ||
| BMI, mean (SD) | 23.2 (3.7) | 15.8–35.3 | 22.6–23.8 |
| Comorbidity Yes % | 40.5 | ||
| No % | 59.5 | ||
| Pain last week, NRS, (0–10), mean (SD) | 3.4 (2.5) | 0–10 | 2.9–3.8 |
| Pain categories, % mild (0–3) | 52.1 | ||
| % moderate (4–6) | 36.1 | ||
| % severe (7–10) | 11.8 | ||
| Physical function | |||
| FR cm, mean (SD) | 34.1 (6.4) | 18–56 | 33.1–35.1 |
| Walking speed m/s, mean (SD) | 1.21 (0.30) | 0.30–1.94 | 1.16–1.26 |
| Armcurls, mean (SD) | 15.2 (3.8) | 4–28 | 14.5–15.8 |
| 30sSTS, mean (SD) | 12.6 (3.9) | 1–26 | 12.0–13.3 |
| HRQoL | |||
| SF-36, mean (SD)a | |||
| Physical functioning (PF) | 67.6 (22.9) | 10–100 | 63.8–71.3 |
| Role physical (RP) | 63.0 (29.0) | 0–100 | 58.3–67.7 |
| Bodily pain (BP) | 58.8 (23.7) | 10–100 | 54.9–62.6 |
| General health (GH) | 63.7 (23.3) | 10–100 | 59.9–67.5 |
| Vitality (VT) | 53.9 (16.6) | 10–90 | 51.2–56.6 |
| Social functioning (SF) | 84.1 (20.5) | 25–100 | 80.7–87.4 |
| Role emotional (RE) | 63.1 (20.6) | 0–80 | 59.8–66.5 |
| Mental health (MH) | 71.6 (13.2) | 24–88 | 69.5–73.8 |
| Physical Component Score (PCS) | 43.0 (10.0) | 18.8–62.7 | 41.4–44.6 |
| Mental Component Score (MCS) | 49.7 (6.6) | 24.8–62.0 | 48.6–50.8 |
| QUALEFFO-41, mean (SD)# | |||
| Score Pain | 35.3 (25.2) | 0–95 | 31.2–39.4 |
| Physical Function | 17.2 (13.2) | 0–55.9 | 15.1–19.4 |
| Score Leisure and Social Activities | 25.8 (21.1) | 0–95 | 22.4–29.3 |
| Score Views about Health in General | 44.8 (22.5) | 0–100 | 41.0–48.6 |
| Score Mood | 34.3 (12.9) | 8.3–75 | 32.2–36.4 |
| Total Score Qualeffo | 26.7 (13.1) | 7.5–65.3 | 24.6–28.8 |
