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. 2021 Sep 2;2(3):e28158. doi: 10.2196/28158

Table 4.

Impact of sociodemographic characteristics on the psychometric scale scores. Multiple linear regression is statistically significant at P<.05.

Sociodemographic characteristics FCV-19Sa,b PHQ-9c,d GAD-7e,f

B (95% CI) P value B (95% CI) P value B (95% CI) P value
Constant 23.464 (22.229-24.699) <.001 6.5 (5.372 to 7.628) <.001 5.54 (4.454 to 6.626) <.001
Ageg (years)

22-25 –1.665 (–3.392 to 0.063) .06 –0.343 (–1.921 to 1.235) .67 –0.087 (–1.606 to 1.432) .91

26-29 –4.435 (–9.787 to 0.916) .10 –0.373 (–5.261 to 4.516) .88 0.394 (–4.311 to 5.099) .87

≥30 1.3 (–4.004 to 6.605) .63 –2.739 (–7.584 to 2.107) .27 0.618 (–4.046 to 5.282) .80
Sexh

Female 0.258 (–1.251 to 1.767) .74 1.145 (–0.234 to 2.523) .10 0.806 (–0.521 to 2.133) .23
Degree enrolledi

Master’s –1.288 (–3.685 to 1.109) .29 –1.071 (–3.26 to 1.119) .34 –0.364 (–2.472 to 1.743) .73

PhD –7.294 (–15.299 to 0.711) .07 –4.098 (–11.41 to 3.215) .27 –5.123 (–12.162 to 1.915) .15

Diploma –1.818 (–5.930 to 2.294) .385 –2.548 (–6.304 to 1.208) .18 –2.181 (–5.796 to 1.435) .24
Family member infected with COVID-19j

Yes –0.659 (–3.016 to 1.699) .58 3.689 (1.536 to 5.843) .001 2.474 (0.401-4.546) .02

aFCV-19S: Fear of COVID-19 Scale.

bR2=0.050.

cPHQ-9: Patient Health Questionnaire-9.

dR2=0.065.

eGAD-7: Generalized Anxiety Disorder-7 Scale.

fR2=0.033.

gReference category for the independent variable of age: 18-21 years.

hReference category for the independent variable of sex: male.

iReference category for the independent variable of degree enrolled: bachelor’s degree.

jReference category for the independent variable of family member infected with COVID-19: no.