Radioprotection No. 60-1 | Page 119

S. Ito et al.: Radioprotection 2025, 60( 1), 109 – 119 113
Table 2. Topics covered in nuclear-related materials by source. Total Municipalities Prefectures GOV * EDU * Businesses n % n % AR n % AR n % AR n % AR n % AR
P-value
Disaster Prevention( n = 76)
About nuclear hazards
66
86.8
43
86.0
-0.3
21
91.3
0.8
2
66.7
-1.1
0.472
Radiation
57
75.0
35
70.0
-1.4
19
82.6
1.0
3
100.0
1.0
0.305
Radiation in daily life
58
76.3
34
68.0
-2.4
21
91.3
2.0
3
100.0
1.0
0.058
Criteria for evacuation advisory
39
51.3
27
54.0
0.6
11
47.8
-0.4
1
33.3
-0.6
0.724
Information transmission
73
96.1
49
98.0
1.2
22
95.7
-0.1
None applicable
2
66.7
-2.7
None applicable
0.025
Daily preparations
52
68.4
37
74.0
1.5
14
60.9
-0.9
1
33.3
-1.3
0.219
Indoor evacuation
75
98.7
49
98.0
-0.7
23
100.0
0.7
3
100.0
0.2
0.768
Outdoor evacuation
71
93.4
47
94.0
0.3
21
91.3
-0.5
3
100.0
0.5
0.816
Evacuation and exit inspection
42
55.3
28
56.0
0.2
12
52.2
-0.4
2
66.7
0.4
0.879
Iodine
57
75.0
43
86.0
3.1
12
52.2
-3.0
2
66.7
-0.3
0.008
Fundamental Knowledge of Radiation( n = 40)
Radiation
34
85.0
4
100.0
0.9
4
100.0
0.9
12
66.7
-2.9
10
100.0
1.5
4
100.0
0.9
0.071
Radiation unit
24
60.0
2
50.0
-0.4
3
75.0
0.6
9
50.0
-1.2
7
70.0
0.7
3
75.0
0.6
0.720
Radiation half-life
27
67.5
3
75.0
0.3
4
100.0
1.5
10
55.6
-1.5
7
70.0
0.2
3
75.0
0.3
0.504
Health effects
31
77.5
3
75.0
-0.1
4
100.0
1.1
12
66.7
-1.5
9
90.0
1.1
3
75.0
-0.1
0.509
Dosimetry
33
82.5
3
75.0
-0.4
4
100.0
1.0
14
77.8
-0.7
8
80.0
-0.2
4
100.0
1.0
0.704
Diet
34
85.0
2
50.0
-2.1
3
75.0
-0.6
16
88.9
0.6
10
100.0
1.5
3
75.0
-0.6
0.168
Effects on children
18
45.0
2
50.0
0.2
0
0.0
-1.9
8
44.4
-0.1
7
70.0
1.8
1
25.0
-0.8
0.166
x2 test was performed to calculate adjusted residuals( AR); AR = adjusted residuals. Significant difference if adjusted residuals are greater than or less than 1.96( p < 0.05). * GOV: National Government / Ministry. EDU: Academic Organizations.