Table 3 Age-sex standardized rates of comorbidity among people with OA by rural-urban continuum
From: Geospatial patterns of comorbidity prevalence among people with osteoarthritis in Alberta Canada
a) Number of comorbidities (0–8) | |||||||||||||
Geographic areas | OA cases | 1 Comorbidity | 2 Comorbidity | 3+ Comorbidity | |||||||||
n | n | Crude Rate | Std.Rate | SRR | n | Crude Rate | Std.Rate | SRR | n | Crude Rate | Std.Rate | SRR | |
Metro | 176,502 | 59,780 | 338.7 | 302.6 [302.4–302.8] | 0.98 [0.98–0.98] | 23,624 | 133.8 | 88.8 [88.8–88.9] | 0.94 [0.94–0.94] | 8384 | 47.5 | 22.2 [22.2–22.3] | 0.88 [0.87–0.88] |
Moderate Metro | 48,781 | 16,412 | 336.4 | 299.1 [298.7–299.4] | 0.97 [0.97–0.98] | 5925 | 121.5 | 81.2 [81.1–81.4] | 0.87 [0.87–0.87] | 2033 | 41.7 | 20.8 [20.8–20.9] | 0.86 [0.86–0.86] |
Urban | 32,038 | 10,672 | 333.1 | 314.4 [313.9–314.9] | 0.96 [0.96–0.96] | 4237 | 132.2 | 86.1 [85.9–86.3] | 0.93 [0.93–0.94] | 1713 | 53.5 | 26.9 [26.8–27.0] | 1.15 [1.15–1.16] |
Moderate Urban | 7389 | 2415 | 326.8 | 293.2 [292.4–294.0] | 1.00 [1.00–1.00] | 915 | 123.8 | 91.4 [91.0–91.9] | 1.00 [0.99–1.00] | 327 | 44.3 | 20.0 [19.9–20.1] | 0.84 [0.84–0.84] |
Rural Centre Area | 16,399 | 5562 | 339.2 | 330.1 [329.4–330.9] | 1.08 [1.08–1.09] | 2380 | 145.1 | 107.8 [107.4–108.2] | 1.19 [1.18–1.19] | 938 | 57.2 | 30.3 [30.1–30.4] | 1.29 [1.28–1.30] |
Rural | 70,408 | 23,303 | 331.0 | 306.1 [305.7–306.4] | 1.13 [1.13–1.13] | 9550 | 135.6 | 101.2 [101.1–101.4] | 1.13 [1.13–1.13] | 3615 | 51.3 | 27.6 [27.6–27.7] | 1.20 [1.20–1.20] |
Rural Remote | 8121 | 2792 | 343.8 | 344.0 [343.0–345.0] | 1.03 [1.03–1.03] | 1278 | 157.4 | 124.9 [124.4–125.4] | 1.38 [1.37–1.39] | 495 | 61.0 | 27.3 [27.1–27.5] | 1.15 [1.15–1.16] |
Alberta | 359,638 | 120,936 | 336.3 | 305.6 [305.5–305.7] | 47,909 | 133.2 | 91.5 [91.4–91.5] | 17,505 | 48.7 | 23.7 [23.7–23.7] | |||
b) Selected single comorbidities | |||||||||||||
Geographic areas | OA cases | HTN Only | DEP Only | COPD Only | |||||||||
n | n | Crude Rate | Std.Rate | SRR | n | Crude Rate | Std.Rate | SRR | n | Crude Rate | Std.Rate | SRR | |
Metro | 176,502 | 23,411 | 132.6 | 55.7 [55.7–55.8] | 0.94 [0.94–0.94] | 19,533 | 110.7 | 147.1 [146.9–147.2] | 1.07 [1.07–1.07] | 11,760 | 66.6 | 82.1 [82.0–82.2] | 0.86 [0.86–0.86] |
Moderate Metro | 48,781 | 6335 | 129.9 | 60.9 [60.9–61.0] | 1.07 [1.07–1.07] | 5462 | 112.0 | 143.1 [142.9–143.4] | 1.01 [1.00–1.01] | 3371 | 69.1 | 79.4 [79.2–79.5] | 0.88 [0.88–0.88] |
Urban | 32,038 | 3957 | 123.5 | 52.0 [51.8–52.1] | 0.90 [0.89–0.90] | 3537 | 110.4 | 146.8 [146.4–147.1] | 1.03 [1.03–1.04] | 2215 | 69.1 | 99.5 [99.2–99.8] | 1.13 [1.13–1.14] |
Moderate Urban | 7389 | 794 | 107.5 | 45.4 [45.2–45.5] | 0.79 [0.79–0.79] | 774 | 104.8 | 132.2 [131.6–132.7] | 0.93 [0.92–0.93] | 640 | 86.6 | 100.4 [99.9–100.9] | 1.13 [1.13–1.14] |
Rural Centre Area | 16,399 | 2212 | 134.9 | 61.6 [61.4–61.7] | 1.08 [1.08–1.08] | 1653 | 100.8 | 155.0 [154.4–155.5] | 1.09 [1.09–1.10] | 1220 | 74.4 | 96.3 [95.8–96.7] | 1.09 [1.08–1.09] |
Rural | 70,408 | 9354 | 132.9 | 66.1 [66.1–66.2] | 1.19 [1.18–1.19] | 6524 | 92.7 | 125.9 [125.7–126.1] | 0.86 [0.86–0.87] | 5298 | 75.2 | 95.4 [95.2–95.6] | 1.09 [1.09–1.10] |
Rural Remote | 8121 | 808 | 99.5 | 42.7 [42.5–42.8] | 0.74 [0.74–0.74] | 765 | 94.2 | 131.3 [130.6–132.0] | 0.92 [0.91–0.92] | 991 | 122.0 | 156.3 [155.5–157.0] | 1.80 [1.79–1.81] |
Alberta | 359,638 | 46,871 | 130.3 | 57.3 [57.3–57.4] |  | 38,248 | 106.4 | 142.3 [142.2–142.4] | 25,495 | 70.9 | 88.8 [88.7–88.9] |  | |