Table 1.
Basic information on respondents.
Table 2.
Arithmetic mean, standard deviation, and factor pattern matrix for perception of radiation risk, and their interpretation.
KMO: 0.918, P < 0.001 (Bartlett). Bold font: >0.40 or <–0.40. Cronbach’s α: 0.878 (eight items in bold font for factor 1); 0.578 (three items in bold font for factor 2).
Table 3.
Risk-comparison information provided, and its explanation.
“+” represents risk-comparison information used in this study.
Fig 1.
Factor scores for (a) dread risk and (b) unknown risk (reversed). Error bars represent standard errors.
* P < 0.05, ** P < 0.01. Different letters represent significant differences among groups upon further analysis (P < 0.05).
Table 4.
Regression coefficients for perception of radiation risk.
B: unstandardized regression coefficient; CI: confidential interval; β: standardized partial regression coefficient.
Table 5.
Adjusted odds ratios for location (including evacuation experience), trust of central government, and risk-comparison information provided for respondents’ attitudes to risk, as determined by using a multivariate logistic analysis (all respondents).
Table 6.
Adjusted odds ratios of risk-comparison information provided regarding respondents’ attitudes to risk, as determined by using a multivariate logistic analysis (high dread-risk perception group).
Table 7.
Adjusted odds ratios of risk-comparison information provided regarding respondents’ attitudes to risk, as determined by using a multivariate logistic analysis (high unknown-risk perception group).