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. 2022 Oct 11;19(20):12993. doi: 10.3390/ijerph192012993

Table 1.

Participants’ characteristics.

Participants, n (%)
(n = 481)
Demographic information
Age, median (IQR) 45 (35–53)
Sex, n (%)
 Male 123 (25.6)
 Female 358 (74.4)
Nationality, n (%)
 Japanese 428 (89.4)
 Non-Japanese 51 (10.6)
Academic background, n (%), n = 475
 Junior high school 20 (4.2)
 High school 234 (49.3)
 Junior college/Technical school 115 (24.2)
 University 89 (18.7)
 Graduate school 14 (2.9)
Number of people in household, n (%)
 Living alone 77 (16.2)
 2 110 (23.2)
 3 96 (20.2)
 4 103 (21.7)
 5 58 (12.2)
 ≥6 31 (6.5)
Underlying disease *, n (%), n = 467
 None 367 (78.6)
 Cerebral infarction 4 (0.9)
 Angina/Arrhythmia 9 (1.9)
 Hypertension 31 (6.6)
 Diabetes 21 (4.5)
 COPD/Asthma 6 (1.3)
 Others 42 (9.0)
Years of experiences as a nursing care worker, median (IQR) (n = 425) 7 (3–13)
Have you ever attend a seminar or conference regarding COVID-19?—Yes (%), n = 478 35 (7.3)
Have you ever cared for a patient with COVID-19?—Yes, n = 479 1 (0.2)
Have you ever been infected with COVID-19?—Yes 2 (0.4)

Abbreviations: IQR—interquartile range; COPD—chronic obstructive pulmonary disease. * Multiple choice question.