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. 2020 Oct 26;17(21):7818. doi: 10.3390/ijerph17217818

Table 2.

Multivariate linear regression model for predictors of the COVID-19 Conspiracy Belief Score.

Independent Variables Categories of an Independent Variable COVID-19 Conspiracy Belief Score (CCBS)
Mean (SD) B (SE) β 95%CI p &
Health literacy −0.067 (0.03) −0.08 −0.12 to −0.01 0.017
eHealth literacy 0.039 (0.02) 0.07 0.002 to 0.08 0.038
Age −0.04 (0.01) −0.21 −0.06 to −0.02 <0.001
Gender women # 10.34 (2.63) ref.
men 10.15 (2.92) −0.151 (0.18) −0.03 −0.51 to 0.21 0.41
Place of residence rural # 10.25 (2.79) ref.
urban < 20,000 10.37 (3.01) 0.167 (0.31) 0.02 −0.43 to 0.77 0.58
urban from 20,000 to <100,000 10.45 (2.67) 0.212 (0.25) 0.03 −0.27 to 0.7 0.39
urban from 100,000 to <200,000 10.28 (2.29) 0.114 (0.33) 0.01 −0.53 to 0.76 0.73
urban from 200,000 to <500,000 10.28 (2.71) 0.151 (0.31) 0.02 −0.46 to 0.76 0.63
urban from 500,000 9.72 (3.08) −0.264 (0.3) −0.03 −0.86 to 0.33 0.38
Education level lower than upper secondary 10.48 (2.71) 0.838 (0.3) 0.12 0.25 to 1.42 0.005
upper secondary or post-secondary non-tertiary 10.36 (2.79) 0.878 (0.24) 0.16 0.4 to 1.36 <0.001
bachelor’s degree 10.36 (2.48) 0.693 (0.34) 0.08 0.03 to 1.36 0.041
masters’ degree or higher # 9.69 (2.90) ref.
Marital status single 10.21 (2.82) −0.482 (0.25) −0.08 −0.97 to 0.01 0.055
married # 10.25 (2.71) ref.
widowed, divorced or separated 10.31 (2.90) 0.046 (0.27) 0.01 −0.49 to 0.58 0.87
Vocational status employee # 10.36 (2.82) ref.
self-employed or farmer 10.22 (2.78) 0.069 (0.28) 0.01 −0.48 to 0.61 0.80
on disability pension or retired 9.82 (3.00) 0.143 (0.38) 0.02 −0.59 to 0.88 0.70
university or school student 9.85 (2.69) −0.978 (0.37) −0.10 −1.7 to −0.26 0.01
vocationally inactive 10.40 (2.56) −0.071 (0.25) −0.01 −0.56 to 0.42 0.78
Net income per household member ≤PLN 1500 *,# 10.51 (2.68) ref.
>PLN 1500–3000 10.13 (2.73) −0.262 (0.23) −0.05 −0.7 to 0.18 0.25
>PLN 3000 10.24 (2.94) −0.151 (0.28) −0.02 −0.71 to 0.41 0.55
refused to disclose 10.09 (2.88) −0.186 (0.31) −0.02 −0.8 to 0.42 0.55

R2 = 0.05, adjusted R2 = 0.03, F = 2434, p < 0.001, abbreviations: SD—standard deviation, B—unstandardised regression coefficient; SE—standard error; β—standardised regression coefficient; ref.—reference category of independent variable; & p value for multivariate linear regression, # reference category of the independent variable in the linear regression model; * PLN—current ISO4217 code for Polish zloty (PLN 1 = EUR 0.2246 according to the exchange rate on 15 June 2020).