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. 2020 Nov 2;22(11):e21099. doi: 10.2196/21099

Table 4.

Perception level of COVID-19 by demographic variable and knowledge source.

Variables Basic COVID-19 preventive perception Identified the misleading information
B ORa (95% CI) B OR (95% CI)
Areas (reference: Eastern China)

Central China –0.342b 0.71 (0.51-1.00) 0.083 1.09 (0.89-1.32)

Western China –0.200 0.82 (0.56-1.20) 0.071 1.07 (0.86-1.34)
Living in a rural area (reference: urban area) –0.228 0.80 (0.59-1.09) 0.240b 1.27 (1.05-1.54)
Living alone (reference: living with others) –0.373 0.69 (0.45-1.06) 0.202 1.22 (0.90-1.67)
Age, years (reference: ≤20)

21-40 0.651b 1.92 (1.06-3.48) 0.121 1.13 (0.76-1.67)

41-60 0.926c 2.53 (1.25-5.12) –0.009 0.99 (0.63-1.56)

>60 0.203 1.23 (0.55-2.74) –0.041 0.96 (0.56-1.63)
Female (reference: male) 0.214 1.24 (0.95-1.61) –0.174b 0.84 (0.72-0.99)
Marital status (reference: unmarried)

Married or remarried –0.574b 0.56 (0.32-0.98) 0.001 1.00 (0.72-1.39)

Divorced or widowed but not remarried –0.966c 0.38 (0.18-0.79) –0.119 0.89 (0.55-1.42)
Occupation (reference: seeking employment)

Not working (not able to work) 0.205 1.23 (0.63-2.40) 0.090 1.09 (0.69-1.73)

Self-employed 0.260 1.30 (0.72-2.32) 0.050 1.05 (0.72-1.52)

Staff member in a government or public institution 0.821b 2.27 (1.11-4.65) –0.061 0.94 (0.64-1.39)

Farmer, fisherman, or herdsman 0.138 1.15 (0.61-2.16) –0.160 0.85 (0.56-1.31)

Retired 0.691 2.00 (0.99-4.05) 0.127 1.14 (0.73-1.76)

Student 0.639 1.90 (0.92-3.90) 0.79c 2.21 (1.41-3.46)

Staff member in a big company 0.365 1.44 (0.67-3.12) 0.118 1.13 (0.71-1.78)

Staff member in a small or medium company 0.604 1.83 (0.92-3.63) 0.387 1.47 (0.98-2.22)

Other 0.640 1.90 (0.98-3.68) 0.402 1.50 (0.99-2.26)
Household income in 2019, RMB (reference: <100,000 RMB)

100,000-200,000 0.397b 1.49 (1.08-2.05) 0.274b 1.31 (1.09-1.59)

200,000-300,000 0.228 1.26 (0.77-2.05) 0.247 1.28 (0.97-1.69)

300,000-400,000 –0.21 0.81 (0.41-1.62) 0.466 1.59 (0.99-2.57)

>400,000 –0.082 0.92 (0.46-1.84) 0.208 1.23 (0.81-1.88)
Education, years (reference: ≤6 years)

7-9 0.326 1.39 (0.91-2.10) –0.038 0.96 (0.73-1.26)

10-12 0.208 1.23 (0.79-1.92) –0.146 0.86 (0.65-1.15)

13-16 0.38 1.46 (0.89-2.40) 0.117 1.12 (0.82-1.54)

>16 1.294b 3.65 (1.17-11.34) 0.774c 2.17 (1.21-3.89)
Number of other diseases (reference: 0)

1 0.625c 1.87 (1.21-2.88) –0.040 0.96 (0.76-1.21)

2 0.145 1.16 (0.67-2.00) –0.239 0.79 (0.57-1.09)

>2 0.079 1.08 (0.64-1.84) –0.601c 0.55 (0.39-0.77)
Number of suspected symptoms (reference: 0)

1 –0.097 0.91 (0.55-1.51) 0.494c 1.64 (1.17-2.30)

2 0.486 1.63 (0.77-3.45) 0.288 1.33 (0.91-1.96)

>2 –0.294 0.75 (0.43-1.30) –0.057 0.95 (0.66-1.35)
Number of COVID-19 information sources (reference: 0)

1 0.750b 2.12 (1.14-3.93) 0.443b 1.56 (1.07-2.27)

2 0.396 1.49 (0.86-2.56) 0.219 1.25 (0.87-1.78)

3 0.695b 2.01 (1.10-3.65) 0.294 1.34 (0.92-1.95)

4 0.911c 2.49 (1.38-4.50) 0.434b 1.54 (1.05-2.26)

5 0.795c 2.25 (1.19-4.14) 0.911c 2.49 (1.59-3.90)

6 1.074c 2.93 (1.47-5.81) 0.764c 2.15 (1.36-3.40)

7 0.993c 2.70 (1.30-5.59) 0.433 1.54 (0.94-2.54)

8 0.804b 2.24 (1.07-4.68) 0.297 1.35 (0.79-2.30)

9 1.449c 4.26 (1.41-12.88) 0.662 1.94 (0.95-3.95)
Knowledge source

Phone message or call 0.346 1.41 (0.94-2.13) 0.037 1.04 (0.82-1.31)

Suggestions from experts 0.28 1.32 (0.84-2.09) 0.322b 1.38 (1.03-1.84)

Video on social media –0.404 0.67 (0.40-1.11) –0.589c 0.55 (0.41-0.74)

Opinions on social media –0.252 0.78 (0.47-1.30) –0.038 0.96 (0.72-1.29)

Newspapers -0.156 0.86 (0.54-1.36) 0.192 1.21 (0.93-1.58)

Television 0.683c 1.98 (1.31-2.99) –0.056 0.95 (0.74-1.21)

Friends –0.169 0.85 (0.54-1.33) 0.095 1.10 (0.84-1.43)

Patient's experience –0.45 0.64 (0.34-1.19) –0.248 0.78 (0.53-1.16)

Family –0.217 0.81 (0.55-1.18) –0.073 0.93 (0.74-1.16)

Own COVID-19 experience –0.522 0.59 (0.32-1.12) 0.165 1.18 (0.77-1.82)
Constant 1.108 3.03 0.874 2.40

aOR: odds ratio.

bP<.05.

cP<.001.