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Table 4 Binary multivariate logistic regression of the EQ-5D dimensions

From: The association of moderate renal dysfunction with impaired preference-based health-related quality of life: 3rdKorean national health and nutritional examination survey

   EQ-5D dimensions
   Mobility Self-care Usual activity Pain/discomfort Anxiety/depression
Age < 40 Reference Reference Reference Reference Reference
  40-60 2.796 (1.196-4.354)# 9.205 (2.148-39.441)** 3.137 (1.986-4.955)# 1.601 (1.347-1.903)# 1.347 (1.118-1.623)**
  ≥ 60 7.230 (4.462-11.716)# 13.686 (3.095-60.511)** 5.788 (3.529-9.494)# 3.254 (2.537-4.174)# 1.603 (1.243-2.068)**
Sex male 0.452 (0.354-0.578)# - 0.565 (0.440-0.727)** 0.543 (0.464-0.635)# 0.461 (0.364-0.584)#
eGFR ≥ 90.0 Reference -- -- Reference --
  60.0-89.9 1.863 (1.053-3.296)*    1.240 (0.982-1.565)  
  30.0-59.9 2.192 (1.178-4.077)*    1.574 (1.113-2.225)*  
Diabetes mellitus -- -- -- -- --
Hypertension 1.412 (1.419-1.735)* -- -- 1.225 (1.045-1.435)* --
Metabolic syndrome -- -- -- -- --
Ischemic heart disease 2.403 (1.523-3.791)# -- 1.968 (1.245-3.110)** 2.515 (1.558-4.058)# 1.987 (1.316-2.999)**
Cerebrovascular disease 3.056 (1.886-4.953)# 5.326 (3.091-9.179)# 3.018 (1.907-4.777)# 1.578 (0.987-2.524) 1.833 (1.188-2.827)**
Anemia -- -- 1.385 (1.029-1.864) * - -
Alcohol intake -- 0.518 (0.306-0.877)* -- -- --
Smoking -- - - -- 1.329 (1.060-1.667)*
Physical inactivity 1.246 (0.978-1.589) 1.978 (1.098-3.564)* 1.435 (1.098-1.875)** - 1.158 (0.978-1.372)
Marital status without spouse -- -- -- -- --
Occupation white collar Reference Reference Reference Reference Reference
  blue collar 1.401 (0.987-1.988) 0.935 (0.436-2.005) 1.336 (0.920-1.939) 1.540 (1.272-1.863)# 1.194 (0.960-1.486)
  other 1.403 (0.985-1.998) 1.318 (0.619-2.808) 1.355 (0.926-1.983) 1.342 (1.108-1.625)** 1.213 (0.981-1.499)
  no occupation 2.293 (1.600-3.287)# 2.369 (1.146-4.898)* 2.148 (1.464-3.149)# 1.637 (1.298-2.065)# 1.581 (1.234-2.026)**
Education ≥ university Reference Reference Reference Reference Reference
  upper 2ndary 1.976 (1.226-3.187)** 1.830 (0.618-5.423) 1.680 (1.026-2.751)* 1.235 (1.027-1.486)* 1.276 (1.032-1.578)*
  ≤ compulsory§ 4.347 (2.631-7.181)# 3.468 (1.154-10.421)* 3.221 (1.907-5.440)# 2.306 (1.810-2.938)# 1.697 (1.286-2.240)#
Income highest quartile Reference Reference Reference Reference Reference
  2nd -3rd quartile 1.215 (0.857-1.722) 1.534 (0.662-3.554) 1.563 (1.048-2.332)* 1.121 (0.938-1.339) 1.209 (0.983-1.488)
  lowest quartile 1.941 (1.367-2.758)# 3.005 (1.324-6.825)** 2.442 (1.632-3.654)# 1.590 (1.288-1.963)# 1.879 (1.483-2.381)#
Residence rural 1.383 (1.107-1.727)** -- 1.581 (1.255-1.992)# - 0.854 (0.714-1.021)
Stress some/extreme 1.455 (1.186-1.785)# - 1.496 (1.208-1.852)# 1.739 (1.514-1.997)# 3.041 (2.633-3.513)#
Sleep quality insufficient - - - 1.613 (1.403-1.854)# -
  1. Values shown are OR (95% CI). Cells with a dash indicate that the variable was not included in the model. Cells with two dashes indicate that the variable was included in the multivariate model but excluded after the multivariate analysis. The multivariate logistic regression analysis model was derived using the backward conditional method. † Students, soldiers and housewives; ‡ middle and high school graduates; § elementary school or no education; *P < 0.05; **P < 0.001; # P < 0.001. eGFR, estimated glomerular filtration rate (mL/min/1.73 m2); OR, odd ratio; CI, confidence interval