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Table 3 Odds ratios (OR) and 95% confidence intervals (CI) for awareness of the recognition level of the 20 technical terms regarding radiation

From: Level of perception of technical terms regarding the effect of radiation on the human body by residents of Japan

 

Knowa N (%)

Crude OR (95% CI)b

p

Adjusted OR (95% CI)c

p

Sex

Female

339/482

(70.3)

1 (reference)

 

1 (reference)

 

Male

462/548

(84.3)

2.266 (1.675–3.065)

< 0.000

1.858 (1.312–2.631)

< 0.000

Age

20–29

56/86

(65.1)

1 (reference)

 

1 (reference)

 

30–39

162/213

(76.1)

1.702 (0.988–2.931)

0.055

1.452 (0.819–2.575)

0.202

40–49

258/330

(78.2)

1.920 (1.147–3.212)

0.013

1.625 (0.935–2.826)

0.085

50–59

208/255

(81.6)

2.371 (1.375–4.088)

0.002

1.827 (1.011–3.300)

0.046

60–69

91/111

(82.0)

2.437 (1.264–4.699)

0.008

1.674 (0.820–3.417)

0.157

≥ 70

26/35

(74.3)

1.548 (0.643–3.724)

0.330

1.111 (0.432–2.858)

0.827

Education

Junior high school

15/21

(71.4)

1 (reference)

 

1 (reference)

 

High school

225/310

(72.6)

1.059 (0.398–2.819)

0.909

1.079 (0.377–3.089)

0.887

College/vocational school

159/218

(72.9)

1.078 (0.399–2.909)

0.882

1.334 (0.457–3.893)

0.598

University

358/431

(83.1)

1.962 (0.736–5.225)

0.178

2.017 (0.701–5.798)

0.193

Graduate school

44/50

(88.0)

2.933 (0.820–10.490)

0.098

3.071 (0.795–11.858)

0.104

Income (JPY)

< 2,000,000

94/123

(76.4)

1 (reference)

 

1 (reference)

 

2,000,000–4000,000

207/273

(75.8)

0.968 (0.587–1.595)

0.897

1.064 (0.625–1.811)

0.819

4000,000–6000,000

219/282

(77.7)

1.072 (0.649–1.771)

0.785

1.116 (0.653–1.906)

0.688

6000,000–8,000,000

141/186

(75.8)

0.967 (0.566–1.650)

0.901

0.790 (0.442–1.411)

0.426

> 8,000,000

140/166

(84.3)

1.661 (0.921–2.998)

0.092

1.411 (0.745–2.672)

0.291

Residence

Aichi

120/173

(69.4)

1 (reference)

 

1 (reference)

 

Nagasaki

121/170

(71.2)

1.091 (0.686–1.733)

0.714

1.227 (0.755–1.996)

0.409

Hiroshima

127/171

(74.3)

1.275 (0.796–2.042)

0.313

1.296 (0.793–2.117)

0.300

Tokyo

131/171

(76.6)

1.446 (0.896–2.336)

0.131

1.358 (0.823–2.241)

0.231

Miyagi

145/172

(84.3)

2.372 (1.406–4.001)

0.001

2.693 (1.570–4.621)

< 0.000

Fukushima

157/173

(90.8)

4.334 (2.361–7.956)

< 0.000

4.627 (2.479–8.635)

< 0.000

  1. N number of subjects
  2. a1 means “I do not see or hear it.” 3 means “I cannot tell clearly whether I see or hear it”, 5 means “I often see or hear it.” In analyzing, 4 and 5 out of 1 to 5 were used as “I know”
  3. bCrude odds ratio and 95% confidence interval
  4. cAdjusted odds ratio for sex, age, education, income, residence, and 95% confidence interval
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Environmental Health and Preventive Medicine

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