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Table 2 Pairwise associations between each symptom measured by ORs of the increased prevalence of one symptom in the presence of the others

From: Interrelationships among common symptoms in the elderly and their effects on health-related quality of life: a cross-sectional study in rural Korea

  Fatigue Pain Sleep disturbance Indigestion Depression/anger/anxiety
Fatigue -     
Pain 8.127 (6.234 to 10.596) -    
Sleep disturbance 3.155 (2.417 to 4.119) 3.124 (2.376 to 4.107) -   
Indigestion 3.228 (2.401 to 4.339) 3.202 (2.362 to 4.341) 2.521 (1.921 to 3.308) -  
Depression/anger/anxiety 5.157 (3.719 to 7.151) 4.115 (2.973 to 5.696) 5.111 (3.846 to 6.793) 2.500 (1.872 to 3.338) -
  1. The estimated ORs by the logistic regression were adjusted for gender, age, income, education, and solitary living