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. 2020 May 21;15(5):e0233744. doi: 10.1371/journal.pone.0233744

Table 4. Predictors of COVID-19 preventive measures, JUMC visitors, Jimma, March 2020 (n = 247).

Factor variables Handwashing with soap & water Stopped shaking hands
Socio-demographic COR (95% CI) AOR COR AOR
Age groups
< = 19 1 1 1 1
20–29 1.00 (0.26,3.80) 0.78(0.14,4.25) 2.34(0.92,5.94) 1.54(0.45,5.22)
30–39 2.24(0.60,8.54) 0.29(0.04,2.21) 1.58(0.60,4.22) 1.16(0.25,5.29)
40–49 0.16(0.04,0.63)* 0.09(0.01,0.74)* 1.03(0.35,3.03) 1.90(0.30,12.32)
> = 50 1.73(0.30,10.10) 0.42(0.04,4.38) 1.44(0.38,5.57) 1.61(0.75,3.44)
Sex
Male 1 1 1 1
Female 1.02(0.50,2.01) 0.76(0.27,2.12) 1.88(1.02,3.47* 1.61(0.75,3.44)
Educational status
Neither read nor write 0.26(0.10,0.67)* 0.28(0.04,1.76) 0.26(0.12,0.57)* 0.64 (0.16,2.55)
Read and write 0.35(0.11,1.18) 0.33(0.04,2.66) 0.91(0.31,2.62) 2.55(0.50,13.10)
Primary school 0.45(0.17,1.20) 0.34(0.07,1.60) 0.42(0.20,0.90)* 0.79(0.25,2.49)
Secondary school 0.79(0.29,2.15) 0.35(0.09,1.50) 0.72(0.35,1.51) 0.81(0.30,2.19)
College and above 1 1 1 1
Religious affiliation
Muslim 1 1 1 1
Orthodox 1.59(0.73,3.46) 0.70(0.26,1.95) 1.77(0.95,3.31) 1.03(0.47,2.23)
Protestant 1.34(0.57,3.16) 1.12(0.32,4.00) 2.29(1.10,4.80)* 2.02(0.78,5.20)
Marital status
Single 1 1 1 1
Married 029(0.14,0.61)* 0.44(0.13,1.45) 0.66(0.39,1.11) 0.70(0.28.1.75)
Occupation
Farmer 1 1 1 1
Student 3.12(1.33,7.31)* 0.30(0.05,1.75) 1.89(0.99,3.60) 1.15(0.34,3.89)
Unemployed 0.73(0.32,1.66) 0.28(0.08,0.97)* 1.34(0.61,2.92) 1.60(0.57,4.46)
Private employed 2.02(0.62,6.61) 1.08(0.18,6.34) 4.20(1.49,11.8* 5.70(1.42,22.7)*
Gov’t employed 1.99(0.73,5.45) 0.34(0.05,2.25) 4.12(1.70,10.0)* 2.68(1.01,7.12)*
Knowledge (yes)
Knew main clin.symptom 3.75(1.86,7.59)* 3.30(1.03,19.54)* 2.77(1.38,5.57)* 1.62(0.5,4.99)
Differentiated COVID-19 from symptoms of flu 2.38(1.20,4.72)* 1.64(0.58,4.59) 2.17(1.28,3.70)* 1.29(0.51,3.24)
Knew high risk group 2.04(1.10,3.83)* 1.10(0.38,3.18) 1.72(0.98,3.01) 0.75(0.2,2.03)
Early supportive treatments increase recovery 2.70(1.44,5.04) * 1.23(0.45,3.41) 2.50(1.41,4.42)* 1.75(0.66,4.66)
COVID-19 spreads via respiratory droplets 3.70(1.14,11.97)* 1.72(0.30,9.92) 2.43(0.71,8.31) 1.59(0.28,9.05)
Eating or contact with animals spreads COVID-19 1.93(1.10,3.54)* 1.11(0.44,2.79) 1.94(1.17,3.22)* 2.73(1.27,5.88)*
Proper hand washing prevents COVID-19 4.46(1.31,15.23)* 2.05(0.30,13.97) 3.27(0.85,12.63) 1.49(0.19,11.94)
Wearing mask prevent infection by COVID-19 1.76(0.78,4.00) 0.96(0.30,3.21) 3.30(1.45,7.49)* 2.88(1.04,8.00)*
Avoiding crowed place prevents COVID-19 4.95(2.10,11.80)* 3.80(1.08,13.34)* 1.7(0.73,4.04) 1.07(0.28,4.11)
Isolation of infected people prevents COVID-19 2.70(1.27,5.75)* 1.52(0.47,4.96) 0.98(0.48,2.00) 0.64(0.20,2.01)
Immediate contact isolation prevents COVID-19 4.00(1.83,8.75)* 3.89(1.24,12.17)* 1.28(0.60,2.73) 1.03(0.34,3.12)
MDK status
 Less 1 1 1 1
 Moderate 2.01(0.94.4.31) 1.98(0.82,4.82) 2.12(1.00,4.48)* 1.86(0.82,4.25)
 High 4.66(2.00,10.87)* 3.48(1.34,9.09) * 3.67(1.72,7.84)* 2.45(1.06,5.65) *
Attitude & efficacy (yes)
Self-efficacy to control COVID-19 3.54(1.90,6.57)* 1.58(0.45,5.61) 2.83(1.62,4.94)* 3.89(1.44,10.50)*
Collective efficacy to control COVID-19 2.85(1.55,5.26)* 2.99(0.83,10.72) 1.75(1.03,2.98)* 0.78(0.30,2.05)

R-square (R2) = 38.7% and 32.9% for hand washing and not-shaking hands,

*significant at p<0.05,

COR: crude odds ratio, AOR: adjusted odds ratio