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Table 3 Moderate (Yules Q 0.50-0.70) and strong associations (Yules Q > 0.7)*

From: A practice-based analysis of combinations of diseases in patients aged 65 or older in primary care

Problem combination Yules Q (CI) Prevalence% n
Diabetes –overweight 0.74 (0.57-0.84) 5.1% 28
Nicotine abuse – alcohol abuse 0.73 (0.48-0.98) 1.1% 6
Social problem – psychiatric system 0,66 (0.49-0. 80) 6.8% 37
Heart failure – renal system 0.60 (0.30-0.78) 2.8% 15
Depression – osteoporosis 0.59 (0.14-0.79) 1.5% 8
Social problem – osteoporosis 0.58 (0.25-0.77) 2.4% 13
Depression – upper gastrointestinal system 0.58 (0.28-0.76) 2.8% 15
COPD – nicotine abuse 0.56 (0.27-0.74) 3.1% 17
Osteoarthritis – lower gastrointestinal system 0.54 (0.29-0.74) 6.1% 33
Osteoarthritis – osteoporosis 0.53 (0.24-0.80) 5.0% 27
Social problem – depression 0.52 (0.27-0.74) 2.6% 14
Hypertension – renal system 0.52 (0.26-0.74) 7.0% 38
Osteoporosis – Upper gastrointestinal system 0.52 (0.12-0.73) 2.2% 12
Cancer – social problem 0.50 (0.14-0.71) 2.2% 12
  1. *only significant results (p < 0,05 are reported).