Table 4

Association between multimorbidity and patient-reported diagnostic errors (N=1474)

Adjusted OR (95% CI)P value
Multimorbidity*
 AbsentReference
 Present1.83 (1.01 to 3.31)0.045
Gender
 MaleReference
 Female1.09 (0.61 to 1.95)0.769
Age (years)
 20–39Reference
 40–591.17 (0.37 to 3.70)0.790
 60–790.43 (0.14 to 1.36)0.152
 ≥800.51 (0.14 to 1.87)0.308
Education
 Less than high schoolReference
 High school1.13 (0.49 to 2.58)0.777
 Junior college1.49 (0.56 to –3.96)0.425
 More than or equal to college2.10 (0.84 to 5.30)0.115
Annual household income (million yen)
 <3.00 (=US$27 000)Reference
 3.00–4.990.59 (0.29 to 1.20)0.145
 5.00–6.990.70 (0.28 to 1.75)0.451
 7.00–9.990.38 (0.10 to 1.39)0.142
 ≥10.000.88 (0.23 to 3.43)0.859
  • *Multimorbidity was defined as the presence of two or more chronic health conditions in an individual.