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Table 2 Multivariable logistic regression to identify variables independently associated with HTLV-1 seropositivity in 605 maintenance hemodialysis patients from four satellite clinics in Salvador, Bahia, Brazil

From: Prevalence and risk factors for Human T-Lymphotropic Virus Type 1 (HTLV-1) among maintenance hemodialysis patients

Independent variables

POR

95% CI

p

Lower

Upper

Age, years

1.04

1.01

1.08

0.041

Unmarried (vs. married)

3.65

1.13

11.75

0.030

Blood transfusion (vs. no)

3.35

1.01

11.13

0.048

  1. Nine variables were selected to enter the automated, forward stepwise multivariable logistic regression model based on a p value ≤ 0.25 on univariate analyses: age (continuous), gender (female as reference), marital status (unmarried as reference), time on dialysis, history of blood transfusion (yes/no), seropositivity for hepatitis B or C virus (yes/no), socioeconomic status (“poor or very poor” as reference), level of schooling (“less than high school” as reference), and diabetes (yes / no). History of blood transfusion was limited to available data that reported transfusion only for the previous three months