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Table 3 Working-age population prevalence of multimorbidity among those with musculoskeletal conditions (MSK) (lumped and split into subgroups)

From: Cross-sectional examination of musculoskeletal conditions and multimorbidity: influence of different thresholds and definitions on prevalence and association estimates

  Multimorbidity prevalence  % (95% CIs)
Survey-based definitiona Policy-based definitiona Research-based definitiona
1. Prevalence of two or more co-occurring conditions (2+ threshold) b
Any MSK (n = 4555) 92.2 (90.9, 93.3) 38.3 (36.5, 40.1) 20.2 (18.9, 21.6)
 Osteoarthritis 98.5 (97.3, 99.2) 46.1 (41.3, 51.1) 40.4 (36.2, 44.8)
 Inflammatory arthritis 98.2 (90.5, 99.7) 53.1 (45.2, 61.0) 45.3 (37.3, 53.5)
 Other arthritis 95.0 (93.2, 96.4) 41.9 (38.1, 45.8) 27.2 (23.4, 31.2)
 Gout 90.9 (87.0, 93.7) 37.8 (32.8, 43.1) 33.9 (29.1, 39.0)
 Other musculoskeletal 95.6 (88.0, 98.5) 41.4 (28.0, 56.3) 22.7 (12.4, 37.8)
 Back pain 91.7 (90.0, 93.2) 39.8 (37.6, 42.0) 15.8 (14.0, 17.8)
 Soft tissue conditions 95.9 (91.3, 98.1) 46.9 (40.3, 53.6) 25.4 (20.1, 31.5)
 Osteoporosis 99.0 (96.0, 99.8) 50.4 (42.1, 58.7) 27.4 (20.3, 36.0)
2. Prevalence of three or more co-occurring conditions (3+ threshold)
Any MSK 75.4 (73.6, 77.0) 11.4 (10.1, 12.8) 5.9 (4.9, 7.0)
 Osteoarthritis 90.7 (88.0, 92.9) 16.4 (13.2, 20.2) 11.3 (8.6, 14.7)
 Inflammatory arthritis 88.0 (79.7, 93.2) 23.0 (17.1, 30.2) 14.7 (9.5, 22.0)
 Other arthritis 81.8 (78.5, 84.7) 14.7 (12.0, 17.8) 8.5 (5.8, 12.3)
 Gout 77.3 (72.4, 81.6) 10.6 (8.1, 13.7) 10.4 (7.8, 13.7)
 Other musculoskeletal 79.0 (66.8, 87.6) 11.8 (6.0, 22.0) 6.5 (2.9, 13.8)
 Back pain 76.0 (73.4, 78.3) 11.7 (10.0, 13.7) 5.1 (4.2, 6.4)
 Soft tissue conditions 82.9 (76.4, 87.9) 18.07 (13.5, 23.8) 7.6 (5.0, 11.4)
 Osteoporosis 89.1 (81.8, 93.7) 17.3 (13.1, 22.5) 9.0 (5.1, 15.5)
  1. aSee footnote of Table 2 for details of each multimorbidity definition
  2. bAll prevalence estimates representative of the whole of the Australian working-age population (ages 18–64 years) by taking the NHS survey design weightings into account, unless otherwise specified