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Table 2 Working-age population prevalence of (1) multimorbidity, (2) any musculoskeletal condition (MSK) and multimorbidity, and (3) MSK among those with multimorbidity

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

Population description Prevalence  % (95% CIs)a
Condition threshold Survey-based definitionb Policy-based definitionc Research-based definitiond
1. Multimorbidity among the working-age population (i.e. C/A; Fig. 2) (n = 12,604) 2+ 61.5 (60.3, 62.7) 15.3 (14.3, 16.2) 7.9 (7.4, 8.5)
3+ 41.9 (40.6, 43.1) 4.2 (3.7, 4.7) 2.1 (1.8, 2.5)
2. Multimorbidity that includes at least one MSK among the working-age population (i.e. E/A; Fig. 2) (n = 12,604) 2+ 31.1 (29.9, 32.3) 12.9 (12.1, 13.7) 6.8 (6.3, 7.4)
3+ 25.4 (24.3, 26.5) 3.8 (3.4, 4.3) 2.0 (1.6, 2.3)
3. MSK among the working-age subsample with multimorbidity (i.e. E/C; Fig. 2) (n = varies for each multimorbidity definition) 2+ 50.6 (49.1, 52.1) 84.8 (83.0, 86.5) 86.0 (83.4, 88.5)
3+ 60.7 (58.9, 62.5) 91.8 (88.4, 95.2) 93.5 (90.4, 96.5)
  1. aAll prevalence estimates are based on the total Australian working-age population (ages 18-64 years) by taking the NHS survey design weightings into account, unless otherwise specified
  2. bSurvey-based: multimorbidity defined as including any two or more of the possible conditions measured in the Australian National Health Survey that were reported as being present for 6 months or more
  3. cPolicy-based: multimorbidity defined as including two or more of any of the restricted classes of morbidities based on Australian National Health Priority Areas being present for 6 months or more: musculoskeletal conditions, diabetes, cancer, cardiovascular disease, asthma, chronic obstructive pulmonary disease, mental health
  4. dResearch-based: 11 specific conditions being present for 6 months or more, based on a literature review conducted by Diederichs et al. [35], cancer, diabetes mellitus, depression, hypertension, myocardial infarction, chronic ischemic heart disease, heart arrhythmias, heart insufficiency, stroke, chronic obstructive pulmonary disease, and arthritis