Table 2. Features of participants at baseline.
| Feature | Total (%) n=17(100) | |
|---|---|---|
| Sociodemographic | Gender | |
| Male | 5 (29.4) | |
| Female | 12 (70.5) | |
| Average age | 61.4 ± 6* | |
| Socioeconomic status | Low 2–3 | 9 (47) |
| Medium/High 4–5 | 8 (52.9) | |
| Schooling | Primary | 6 (35.2) |
| Secondary | 4 (23.5) | |
| Technical/ University | 7 (41.1) | |
| Anthropometric | BMI | |
| Not overweight (BMI 25) | 2 (11.7) | |
| Overweight (BM >25 and ˂30) | 6 (35.2) | |
| Obesity (BM >30) | 9 (52.9) | |
| Dominant extremity | Right | 14 (82.3) |
| Left | 3 (17.6) | |
| Involvement | Unilateral | 4 (23.5) |
| Bilateral | 13 (76.4) | |
| Ingestion of analgesics | Yes | 11 (64.8) |
| No | 6 (35.2) | |
| Type of analgesics | NSAIDs | 5 (29.4) |
| Non-NSAIDs | 2 (11.7) | |
| Opioids | 0 | |
| Other | 4 (23.5) | |
| None | 6 (35.2) | |
| Level of physical activity (%) | Low | 6 (35.2) |
| Moderate | 6 (35.2) | |
| Vigorous | 5 (29.4) | |
| Severity of OA | Grade ll | 11 (64.7) |
| Grade lll | 6 (35.3) | |
| Patellofemoral OA | Present | 16 (94.1) |
| Absent | 1 (5.8) | |
*Median ± standard deviation (SD), BMI: body mass index; n: sample size