Table 2. Quality of life in older adults with and without osteoarthritis at baseline. a.
| All participants (n=294) |
Participants with OA (n=70) |
Participants without OA (n=224) |
p-value b | |
|---|---|---|---|---|
| QoL index score (0-1) (Median (IQR)) | 0.80 (0.73-1.00) | 0.80 (0.73-1.00) | 0.80 (0.73-1.00) | 0.63 |
| Mobility (n (%)) | 0.27 | |||
| No problem | 216 (73.5) | 55 (78.6) | 161 (71.9) | |
| Some problem | 78 (26.5) | 15 (21.4) | 63 (28.1) | |
| Confined to bed | 0 (0.0) | 0 (0.0) | 0 (0.0) | |
| Self-care (n (%)) | 0.90 | |||
| No problem | 272 (92.5) | 65 (92.9) | 207 (92.4) | |
| Some problem | 22 (7.5) | 5 (7.1) | 17 (7.6) | |
| Unable to perform | 0 (0.0) | 0 (0.0) | 0 (0.0) | |
| Usual activities (n (%)) | 0.40 | |||
| No problem | 228 (77.6) | 57 (81.4) | 171 (76.3) | |
| Some problem | 64 (21.8) | 12 (17.1) | 52 (23.2) | |
| Unable to perform | 2 (0.7) | 1 (1.4) | 1 (0.4) | |
| Pain/discomfort (n (%)) | 0.84 | |||
| No | 128 (43.5) | 32 (45.7) | 96 (42.9) | |
| Moderate | 163 (55.4) | 37 (52.9) | 126 (56.3) | |
| Extreme | 3 (1.0) | 1 (1.4) | 2 (0.9) | |
| Anxiety/depression (n (%)) | 0.37 | |||
| No | 219 (74.5) | 55 (78.6) | 164 (73.2) | |
| Moderate | 75 (25.5) | 15 (21.4) | 60 (26.8) | |
| Extreme | 0 (0.0) | 0 (0.0) | 0 (0.0) | |
a
Abbreviations: IQR= Interquartile range; n=Number; OA= Osteoarthritis; QoL= Quality of life.
b
p-value of observed differences between groups with and without OA. For these analyses, Pearson Chi-square tests were used.