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. 2020 Apr 9;105(2):183–187. doi: 10.1016/j.jhin.2020.04.012

Table II.

Multivariate logistic regression analysis of odds ratio for practices and attitudes of healthcare workers in relation to potential risk factors

Variables Practices, OR (95% CI)
Attitudes, OR (95% CI)
Maintained quarantine with family Participation in training Always remove protective equipment carefully Frequency of hand washing Level of fear of COVID-19 Feelings of fatigue after the outbreak Confidence in defeating the virus Patients should disclose their exposure
Gender (ref.: female) 1 1 1 1 1 1 1 1
 Male 0.95 (0.75–1.20) 0.98 (1.77–1.24) 1.18 (0.94–1.49) 1.14 (0.86–1.51) 1.22 (0.89–1.67) 1.22 (0.89–1.67) 0.84 (0.56–1.26) 1.22 (0.94–1.59)
Educational attainment (ref.: junior college and below) 1 1 1 1 1 1 1 1
 College 0.88 (0.65–1.19) 1.06 (0.78–1.44) 1.11 (0.82–1.50) 0.71 (0.49–1.02) 0.87 (0.57–1.31) 0.87 (0.57–1.31) 0.86 (0.53–1.41) 0.95 (0.68–1.33)
 Postgraduate 0.57 (0.37–0.87) 1.01 (0.66–1.55) 2.12∗∗∗ (1.39–3.24) 0.90 (0.54–1.50) 1.09 (0.61–1.93) 1.09 (0.61–1.93) 0.47 (0.23–1.06) 1.08 (0.67–1.74)
Overworked (ref.: yes) 1 1 1 1 1 1 1 1
 No 0.99 (0.76–1.30) 0.99 (0.76–1.30) 1.03 (0.79–1.35) 0.71∗ (0.51–0.98) 0.66 (0.46–0.96) 0.66∗ (0.46–0.96) 0.80 (0.50–1.27) 0.87 (0.65–1.17)
Job category (ref.: doctors) 1 1 1 1 1 1 1 1
 Nurses 1.37 (0.10–1.87) 1.14 (0.83–1.56) 0.93 (0.68–1.27) 0.87 (0.61–1.30) 0.81 (0.54–1.23) 0.81 (0.54–1.23) 1.07 (0.63–1.82) 0.94 (0.67–1.33)
 Paramedics 0.87 (0.62–1.23) 0.71 (0.50–1.01) 1.03 (0.74–1.45) 0.64∗ (0.41–1.0) 0.44∗∗ (0.26–0.75) 0.44∗∗ (0.26–0.75) 0.94 (0.51–1.75) 0.99 (0.68–1.45)
Work experience (ref.: <5 years) 1 1 1 1 1 1 1 1
 5–9 years 1.54∗∗ (1.16–2.05) 1.32 (1.0–1.75) 0.72∗ (0.54–0.96) 1.42 (1.0–2.01) 0.64∗ (0.43–0.95) 0.64∗ (0.43–0.95) 0.77 (0.48–1.31) 0.56∗∗∗ (0.41–0.77)
 >10 years 0.73∗ (0.55–0.96) 0.69∗∗ (0.52–0.91) 1.0 (0.76–1.31) 1.36 (0.97–1.92) 1.13 (0.79–1.62) 1.131 (0.79–1.62) 0.76 (0.47–1.23) 0.60∗∗ (0.44–0.82)
Frontline status (ref.: frontline) 1 1 1 1 1 1 1 1
 Non-frontline 0.75∗ (0.59–0.94) 0.55∗∗∗ (0.43–0.69) 0.90 (0.71–1.13) 0.82 (0.62–1.08) 0.97 (0.71–1.33) 0.97 (0.71–1.33) 0.56∗∗ (0.38–0.84) 1.09 (0.84–1.41)
Knowledge (scored as a continuous variable) 1.14 (0.99–1.31) 1.14 (0.99–1.31) 0.96 (0.84–1.10) 0.91 (0.77–1.07) 0.99 (0.82–1.19) 0.99 (0.83–1.19) 1.41∗∗ (1.12–1.77) 1.217∗ (1.04–1.42)

OR, odds ratio; CI, confidence interval.

P < 0.05; ∗∗P < 0.01; ∗∗∗P < 0.001.