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

SD Standard deviation, CI Confidence Interval, BMI Body Mass Index, NRS Numerical Rating Scale, FR Functional Reach; 30sSTS 30 s Sit to Stand; ^aScore 0–100, 100 best score; #Score 0–100, 0 best score