Table 1 Socio-demographic and clinical characteristics in individuals with arthritis (n = 4565)
Characteristics | Number | % (95Â % CI)a |
|---|---|---|
Sex (female) | 2886 | 63.1 (61.4–65.0) |
Age group (years) | Â | Â |
 20–44 | 488 | 12.5 (11.2–13.8) |
 45–64 | 1748 | 47.0 (45.1–48.9) |
 65–74 | 1227 | 22.0 (20.5–23.6) |
 75+ | 1102 | 18.5 (17.3–19.7) |
BMI (kg/m2) | Â | Â |
 Underweight or normal (<25.0) | 1597 | 32.7 (30.4–35.1) |
 Overweight (25.0–29.9) | 1674 | 39.9 (37.1–42.7) |
 Obese (>30.0) | 1195 | 27.4 (25.0–29.8) |
Post-secondary education | 2676 | 68.7 (66.4–71.1) |
Type of arthritis | Â | Â |
 OA | 1755 | 38.0 (35.3–40.7) |
 Inflammatory and other types of arthritis | 646 | 16.3 (14.3–18.2) |
 Inflammatory and other types of arthritis plus OA | 142 | 2.5 (1.8–3.3) |
  Does not know type of arthritis | 1891 | 43.2 (40.2–46.2) |
Multiple (≥4) painful joints | 2581 | 55.2 (52.6–57.9) |
Disease duration (≥10 years) | 2316 | 50.3 (47.6–53.1) |
Number of other chronic conditions | Â | Â |
 0 | 1282 | 28.8 (26.3–31.2) |
 1 | 1485 | 36.3 (33.0–39.7) |
 2 | 916 | 19.0 (17.1–20.9) |
 3+ | 634 | 15.9 (13.7–18.1) |