Table 5 Multinomial logistic regression model results for mitigation intention analysis (Stages 8, 9 and 10)

Demographic/lifestyle

Smoking status (ever/former/ unsure vs. never smoker)

0.51 (0.24 –  1.06)

0.48 (0.26 – 0.89)*

0.55 (0.27 – 1.14)

0.53 (0.29 – 0.95)*

Perceived susceptibility

It is likely that someone in my household will get sick from radon. (agree/neutral vs. disagree)

0.27 (0.12 – 0.59)**

0.99 (0.52 – 1.87)

0.25 (0.12 – 0.56)***

0.95 (0.52 – 1.76)

Perceived severity

If someone in my household got sick from radon, it would be very serious. (agree vs. disagree/neutral)

0.98 (0.44 – 2.17)

2.33 (1.10 – 4.92)*

0.97 (0.45 – 2.09)

2.44 (1.18 – 5.05)*

Perceived benefits

If I reduced the levels of radon in my home, it would reduce the chances of someone getting sick from it. (agree vs. disagree/neutral)

0.26 (0.11 – 0.61)**

2.87 (1.40 – 5.89)**

0.27 (0.12 – 0.59)**

2.72 (1.38 – 5.36)**

Perceived barriers/self-efficacy

The results of the radon tests are not reliable. (agree/neutral vs. disagree)

0.63 (0.28 – 1.45)

0.58 (0.29 – 1.16)

I don’t trust companies that deal with radon. (agree/neutral vs. disagree)

1.07 (0.44 – 2.60)

1.13 (0.55 – 2.33)

I don’t know how to find an experience radon contractor to fix the high levels of radon in my home. (agree/neutral vs. disagree)

1.67 (0.72 – 3.88)

1.89 (0.93 – 3.84)

I don’t have time to fix the high levels of radon in my home. (agree/neutral vs. disagree)

0.73 (0.31 – 1.71)

0.29 (0.15 – 0.58)***

0.83 (0.40 – 1.73)

0.29 (0.16 – 0.52)***

It is too expensive to fix the high levels of radon in my home (agree vs. disagree/neutral)†

0.92 (0.29 – 2.94)

0.49 (0.19 – 1.23)

My home is worth a lot less because of the high levels of radon, even if I fix it. (agree/neutral vs. disagree)

0.77 (0.36 – 1.65)

0.60 (0.32 – 1.14)

Radon level

Log-transformed

0.49 (0.17 – 1.43)

3.79 (1.89 – 7.57)***

0.52 (0.18 – 1.50)

3.98 (2.00 – 7.91)***