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. 2020 Jul 12;102:152192. doi: 10.1016/j.comppsych.2020.152192

Table 4.

Associations between knowledge and concerns about COVID-19 and the psychological impact/adverse mental health status during the epidemic (n = 1160).

Variables N (%) IES-R
DASS – Stress
DASS – Anxiety
DASS – Depression
B (95% CI) B (95% CI) B (95% CI) B (95% CI)
Knowledge of the mode of transmission of the coronavirus
Exposure to sneeze /cough droplets and direct contact 1121 (96.6) −2.76 (−9.10–3.58) 2.33 (−2.18–6.84) −0.21 (−3.56–3.15) 3.01 (−1.29–7.31)
Through the air 15 (1.3) −1.58 (−11.70–8.53) 1.98 (−5.21–9.18) 10.03 (−40.32–60.39) 30.32 (−30.54–100.17)
I don't know 24 (2.1) Reference Reference Reference Reference



Confidence about options of diagnosing the disease
Not confident 22 (1.9) 5.74 (−0.89–12.37) 2.77 (−1.93–7.47) 3.44 (−0.06–6.95) 1.95 (−2.56–6.46)
Slightly confident 36 (3.1) 6.77* (1.52–12.02) 6.23** (2.50–9.95) 4.93*** (2.16–7.71) 5.65** (2.08–9.22)
Moderately confident 232 (20) 5.17*** (2.77–7.58) 4.12*** (2.41–5.82) 2.25*** (0.97–3.52) 2.73** (1.09–4.37)
Very confident 355 (30.6) 1.22 (−0.88–3.32) 1.88* (0.39–3.37) 0.99 (−0.12–2.10) 1.04 (−0.39–2.47)
Extremely confident 515 (44.4) Reference Reference Reference Reference



Satisfaction with the amount of information on the disease
Not satisfied 24 (2.1) 4.63 (−1.73–10.99) 0.18 (−4.33–4.69) 0.29 (−3.07–3.64) 0.25 (−4.07–4.56)
Slightly satisfied 44 (3.8) 4.68 (−0.09–9.46) 5.22** (1.84–8.61) 4.13** (1.61–6.65) 4.44** (1.20–7.68)
Moderately satisfied 179 (15.4) 4.83*** (2.22–7.44) 3.92*** (2.07–5.77) 2.95*** (1.57–4.33) 3.09*** (1.32–4.86)
Very satisfied 339 (29.2) 2.47* (0.38–4.56) 1.94* (0.45–3.42) 1.37* (0.27–2.48) 1.59* (0.17–3.01)
Extremely satisfied 574 (49.5) Reference Reference Reference Reference



Participant's understanding of how they can protect themselves from COVID-19
Using herbs such as myrrh and ginger
Yes^ 151 (13.0) 3.35* (0.67–6.02) 1.12 (−0.78–3.03) 1.41 (−0.01–2.82) −0.04 (−1.86–1.78)
Social distancing for 1 m or more
Yes^ 792 (68.3) −1.46 (−3.40–0.47) 0.40 (−0.98–1.78) −0.57 (−1.59–0.46) −0.01 (−1.33–1.30)
Self-isolation
Yes^ 1091 (94.1) −0.49 (−4.31–3.32) −0.16 (−2.87–2.56) −1.01 (−3.02–1.01) −1.23 (−3.81–1.36)



Washing and disinfecting my hands continuously
Yes^ 1030 (88.8) −0.34 (−3.20–2.52) −0.16 (−2.19–1.88) −1.25 (−2.76–0.26) −0.58 (−2.52–1.36)
Using antibiotics
Yes^ 32 (2.8) −4.01 (−9.51–1.49) −2.51 (−6.43–1.40) −0.75 (−3.67–2.16) 0.73 (−3.00–4.47)
No protection needed
Yes^ 4 (0.3) 11.64 (−3.73–27.01) 7.83 (−3.10–18.77) 10.56* (2.43–18.68) 4.98 (−5.45–15.42)
I don't know
Yes^ 16 (1.4) 3.02 (−4.71–10.75) 3.10 (−2.40–8.60) 5.22* (1.13–9.30) 3.77 (−1.48–9.01)



Chances of recovering if diagnosed with COVID-19
Not likely 17 (1.5) 7.75* (0.32–15.18) 1.06 (−4.22–6.35) 1.40 (−2.52–5.32) 1.73 (−3.29–6.74)
Slightly 36 (3.1) 10.95*** (5.75–16.15) 8.19*** (4.49–11.89) 7.28*** (4.54–10.02) 10.47*** (6.96–13.98)
Moderately 220 (19) 7.07*** (4.63–9.50) 5.19*** (3.46–6.92) 3.83*** (2.54–5.11) 5.01*** (3.36–6.65)
Very likely 384 (33.1) 4.53*** (2.49–6.57) 2.58*** (1.13–4.04) 0.87 (−0.20–1.95) 2.46*** (1.09–3.84)
Extremely likely 503 (43.4) Reference Reference Reference Reference



Perceived likelihood of infection during the current outbreak of the coronavirus
Extremely likely 40 (3.4) 3.74 (−1.22–8.70) 6.68*** (3.20–10.15) 4.34** (1.74–6.94) 7.54*** (4.21–10.86)
Very likely 64 (5.5) 9.81*** (5.80–13.83) 9.41*** (6.60–12.22) 6.90*** (4.80–9.00) 9.54*** (6.85–12.22)
Moderately 297 (25.6) 5.53*** (3.30–7.75) 5.72*** (4.17–7.28) 3.70*** (2.53–4.86) 4.37*** (2.88–5.86)
Slightly 277 (23.9) 5.77*** (3.49–8.04) 3.58*** (1.99–5.18) 2.48*** (1.29–3.67) 2.80*** (1.27–4.32)
Not likely 482 (41.6) Reference Reference Reference Reference



Opinion about the statement: “I feel that there are a lot of unnecessary worrying regarding COVID-19”
Strongly disagree 695 (59.9) −0.09 (−3.60–3.41) 2.67* (0.17–5.16) 1.02 (−0.84–2.88) 2.06 (−0.32–4.44)
Disagree 134 (11.6) −2.56 (−6.80–1.68) 2.52 (−0.50–5.53) 1.02 (−1.22–3.27) 2.12 (−0.76–5.00)
Undecided 162 (14) −1.11 (−5.21–2.98) 0.98 (−1.93–3.89) 0.01 (−2.16–2.18) 1.23 (−1.55–4.01)
Agree 83 (7.2) 1.78 (−2.94–6.50) 2.16 (−1.19–5.52) 1.54 (−0.97–4.04) 1.82 (−1.39–5.02)
Strongly agree 86 (7.4) Reference Reference Reference Reference

IES-R: Revised Impact of Event Scale (IES-R);DASS-21: Depression, Anxiety and Stress Scale - 21 Items; B (95% CI):beta coefficient(95% confidence interval); ^ No “as reference * p < .05; ** p < .01; *** p < .001.