Table 1.
Characteristics of the study sample stratified for lower limb osteoarthritisa
| All participants (n = 247) | Participants with LLOA (n = 41) | Participants without LLOA (n = 206) | p-valueb | ||||
|---|---|---|---|---|---|---|---|
| n | n | n | |||||
| Characteristics | |||||||
| Age in years (Mean (SD)) | 247 | 74.8 (5.6) | 41 | 74.6 (5.3) | 206 | 74.8 (5.6) | 0.86 |
| Sex (female) (n (%)) | 247 | 124 (50.2) | 41 | 29 (70.7) | 206 | 95 (46.1) | <0.01 |
| Partner status (yes) (n (%)) | 247 | 158 (64.0) | 41 | 22 (53.7) | 206 | 136 (66.0) | 0.13 |
| Education (≥ secondary education) (n (%)) | 247 | 195 (78.9) | 41 | 29 (70.7) | 206 | 166 (80.6) | 0.16 |
| Urbanization grade (n (%)) | 247 | 41 | 206 | 0.03 | |||
| Rural | 53 (21.5) | 7 (17.1) | 46 (22.3) | ||||
| Intermediate urban | 18 (7.3) | 7 (17.1) | 11 (5.3) | ||||
| Urban | 176 (71.3) | 27 (65.8) | 149 (72.4) | ||||
| Body Mass Index in kg/m2 (Mean (SD)) | 244 | 27.3 (4.3) | 41 | 29.3 (5.6) | 203 | 26.9 (3.9) | 0.01 |
| Number of chronic diseases (n (%)) | 247 | 41 | 206 | <0.01 | |||
| 0 | 99 (40.1) | 8 (19.5) | 91 (44.2) | ||||
| 1 | 87 (35.2) | 16 (39.0) | 71 (34.5) | ||||
| ≥ 2 | 61 (24.7) | 17 (41.5) | 44 (21.4) | ||||
| Functional limitations (0–100) (median (IQR)) | 232 | 3.1 (0.0–18.8) | 36 | 34.9 (19.1–48.5) | 196 | 1.5 (0.0–9.4) | <0.001 |
| Anxiety (n (%)) | 234 | 20 (8.5) | 37 | 5 (13.5) | 197 | 15 (7.6) | 0.24 |
| Depression (n (%)) | 234 | 21 (9.0) | 37 | 5 (13.5) | 197 | 16 (8.1) | 0.29 |
a Abbreviations: SD Standard deviation, IQR Interquartile range, LLOA Lower limb osteoarthritis, n Number
b p-value of observed differences between groups with and without LLOA