Table 3 Results of the binary logistic regression analysis for guardians who wanted to receive PDSI. N = 1172

Thought that pregnant women should also implement SI prophylaxis in a nuclear emergency

Yes/No

6.57 (4.62–9.35)

< 0.01

Want to participate in a lecture about the health effects of radiation exposure

Yes/No

1.99 (1.40–2.82)

< 0.01

Thought that implementing SI prophylaxis can prevent exposure from all radionuclides

Yes/No

1.93 (1.24–2.99)

< 0.01

Did know about SI before the study

Yes/No

1.91 (1.35–2.71)

< 0.01

Anxiety about implementing SI prophylaxis for their children

Yes/No

0.33 (0.20–0.55)

< 0.01