Table 4 Single-factor and multi-factor logistic regression model to support the legalization of kidney donation in Poland for a stranger

Simple logistic regression

  Blood donation is safe

1,35

1

3.85 (2.23 to 6.67)

  Bone-marrow transplant is safe

1.45

1

4.26 (3.02 to 6.00)

  Consent to give one of your kidneys to another person

0.80

1

2.22 (1.62 to 3.05)

  Consent to receive a kidney from another person

0.98

1

2.63 (1.97 to 3.59)

  Organ trafficking risk

-0.51

1

0.60 (0.45 to 0.82)

  Selfless donation of a kidney to a stranger is something positive

0.98

1

2.66 (2.03 to 3.48)

  Acceptance of the kidney donation by the closest family member to a friend

0.59

1

1.81 (1.14 to 2.87)

  Consent to donate organs after death of participants

1.16

1

3.19 (2.35 to 4.33)

  Consent to donate organs after death of a family member

0.92

1

2.51 (1.91 to 3.30)

  Needed consent of the deceased for organ donation, which was given during his lifetime

0.46

1

1.58 (1.06 to 2.35)

Logistic regression – multivariate model; R2 Nagelkerka = 0.29; Hosmer Lemeshow = 9.83, p = 0.08

  Acceptance of the kidney donation by the closest family member to a stranger

1.25

1

3.50 (1.49 to 4.85)

  Bone-marrow transplant is safe

0.97

1

2.65 (1.80 to 3.91)

  Important benefit of carrying out tests before donating the kidney

0.93

1

2.56 (1.79 to 3.69)

  Consent to receive a kidney from another person

0.81

1

2.24 (2.53 to 3.13)

  Consent to donate organs after death of participants

0.72

1

2.06 (1.45 to 2.95)

  Organ trafficking risk

-0.61

1

0.54 (0.38 to 0.79)