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. 2020 Nov 13;22(11):e22205. doi: 10.2196/22205

Table 1.

Characteristics of COVID-19 misinformation exposure by respondents’ demographics, and sociobehavioral and psychological symptoms (N=1049).

Variables Participants, n (%)a Weighted valuesb, n (%)a Misinformation P valuec,d

N=1049 N=1049 Not exposed (n=338) Exposed (n=711)
Sex

Male 446 (42.52) 525 (50.04) 179 (53.08) 346 (48.60) .15c

Female 603 (57.48) 524 (49.96) 158 (46.92) 366 (51.40) .15c
Age (years), mean (SD) 39.51 (10.47) 43.60 (12.87) 45.86 (13.01) 42.53 (12.67) .02d

20-29 198 (18.88) 196 (18.69) 48 (14.09) 149 (20.87) .06c

30-39 351 (33.46) 219 (20.85) 65 (19.25) 154 (21.61) .06c

40-49 311 (29.65) 243 (23.17) 78 (23.14) 165 (23.18) .06c

50-59 148 (14.12) 236 (22.54) 74 (22.11) 162 (22.74) .06c

60-69 41 (3.91) 154 (14.75) 72 (21.41) 82 (11.59) .06c
Education

High school or below 233 (22.21) 263 (25.06) 92 (27.13) 171 (24.08) .83c

Tertiary or above 816 (77.79) 786 (74.94) 246 (72.87) 540 (75.92) .83c
Household arrangement

Living alone 142 (13.54) 121 (11.50) 32 (9.55) 88 (12.43) .10c

Living with others 907 (86.46) 929 (88.50) 306 (90.45) 623 (87.57) .10c
Monthly personal income, KRW (US $)

<3,000,000 (<2500)e 622 (59.29) 587 (55.95) 165 (48.78) 422 (59.35) .03c

3,000,000-4,990,000 (2500-4158) 264 (25.17) 261 (24.92) 99 (29.24) 163 (22.86) .03c

≥5,000,000 (>4158) 163 (15.54) 201 (19.14) 74 (21.98) 127 (17.79) .03c
COVID-19 information sourcef

Television, radio, or newspaper (offline) 999 (95.23) 998 (95.07) 316 (93.53) 682 (95.80) .40c

Television, radio, or newspaper (online) 1036 (98.76) 1030 (98.21) 328 (97.06) 703 (98.76) .54c

Other internet websites 864 (82.36) 842 (80.26) 262 (77.55) 580 (81.55) .44c

Social network services 753 (71.78) 754 (71.82) 220 (65.10) 534 (75.01) .03c

Instant messaging 873 (83.22) 868 (82.71) 262 (77.49) 606 (85.19) .011c
COVID-19 misinformation belief

No 604 (57.58) 618 (58.86) 291 (86.21) 326 (45.87) <.001c

Yes 445 (42.42) 432 (41.14) 47 (13.79) 385 (54.13) <.001c
Anxiety symptom, mean (SD)g 1.49 (1.60) 1.51 (1.65) 3.18 (1.58) 3.66 (1.66) <.001d

No 853 (81.32) 854 (81.38) 290 (85.94) 564 (79.22) .002c

Yes 196 (18.68) 195 (18.62) 48 (14.06) 148 (20.78) .002c
Depressive symptom, mean (SD)h 2.02 (1.73) 2.04 (1.78) 3.76 (1.78) 4.17 (1.77) .001d

No 738 (70.35) 739 (70.45) 253 (74.85) 486 (68.36) .01c

Yes 311 (29.65) 310 (29.55) 85 (25.15) 225 (31.64) .01c
Posttraumatic stress disorder symptom, mean (SD)i 1.43 (1.09) 1.43 (1.14) 1.12 (1.04) 1.57 (1.15) <.001d

No 902 (85.99) 903 (86.05) 306 (90.52) 597 (83.92) .002c

Yes 147 (14.01) 146 (13.95) 32 (9.48) 114 (16.08) .002c
COVID-19 knowledge, mean (SD) 24.69 (2.56) 24.65 (2.69) 24.79 (2.24) 24.58 (2.88) .38d

Low (0-24) 444 (42.33) 446 (42.55) 142 (41.97) 305 (42.82) .99c

High (25-35) 605 (57.67) 603 (57.45) 196 (58.03) 407 (57.18) .99c
COVID-19 preventive behaviors, mean (SD) 6.94 (2.42) 7.01 (2.47) 7.01 (2.46) 7.02 (2.48) .72d

0-6 behaviors 396 (37.75) 388 (36.99) 129 (38.15) 259 (36.44) .70c

≥7 behaviors 653 (62.25) 661 (63.01) 209 (61.85) 452 (63.57) .70c

aCalculated percentages were rounded off to one decimal place; accordingly, combined percentages can exceed 100%.

bData were weighted by sex and age distribution of the general population in the Seoul metropolitan area.

cP for chi-square (computed using unweighted data).

dP for t test (computed using unweighted data).

eAverage monthly income among employees was KRW 2,970,000 in 2018.

fMultiple responses allowed.

gGeneralized Anxiety Disorder Questionnaire-2 (GAD-2) score ≥3.

hPatient Health Questionnaire-2 (PHQ-2) score ≥3.

iPrimary Care Post-Traumatic Stress Disorder Screen for DSM-5 (PC-PTSD-5) score ≥3.