Table 4 Bootstrapped multiple regression identifying predictors for knowledge and reporting of signs and symptoms. Beta values and 95% bootstrapped confidence intervals are presented in brackets

Δ R [2]

.01^b

.02^b

.03^b

0.19^b

.02^b

Age (66+ years)

−0.07 [− 0.1, − 0.01]^a

−1.7 [−2.1, − 1.4]^b

− 0.4 [− 0.7, − 0.1]^a

Ethnicity (non-Caucasian)

−0.1 [− 0.2, − 0.04]^b

Gender (female)

0.103 [0.02, 0.2]^a

Education (High)

1.0 [0.6, 1.3]^b

Years since first HD (3+ years)

0.06 [0.01, 0.1]

0.04 [−0.05, 0.1]

0.8 [0.5, 1.1]^b

Previous kidney transplant (yes)

−0.05 [− 0.1, − 0.002]

−0.07 [− 0.1, 0.004]

−0.1 [− 0.2, − 0.03]^a

Urine output (more)

−0.1[− 0.2, 0.003]^a

Weighted Factor 1

1.0 [0.4, 1.5]^b

0.8 [0.3, 1.2]^b

Weighted Factor 2

Weighted Factor 3