Skip to main content
. 2020 Dec 15;4(12):e24776. doi: 10.2196/24776

Table 1.

Multivariate linear regression results for the Impact of Event Scale-Revised questionnaire scores and sociodemographic covariates.

Covariates Coefficient (95% CI) P value
Age group (years) (reference: 18-39)

40-59 1.23 (–1.13 to 3.58) .31

≥60 –8.36 (–17.72 to 10) .08
Marital status (reference: single)

Married 2.60 (0.51 to 4.69) .01

Divorced/widowed 5.23 (0.50 to 9.95) .03
Education level (reference: elementary/secondary)

High school 3.20 (–4.18 to 10.58) .40

University/college 5.60 (–1.51 to 12.71) .12

Postgraduate 4.40 (–2.93 to 11.74) .24
Occupation (reference: employed)

Work from home 0.95 (–1.24 to 3.14) .40

Student 0.98 (–2.15 to 4.11) .54

Unemployed 3.32 (–0.01 to 6.65) .051

Other 1.37 (–3.17 to 5.91) .55
Household size (reference: 1 member)

2 3.86 (–0.05 to 7.77) .05

3-5 1.65 (–1.65 to 4.95) .33

≥6 2.24 (–1.61 to 6.10) .25
Children <18 years old in the family (reference: no)

Yes 1.02 (–0.80 to 2.83) .27
Chronic disease (reference: no)


Yes 1.38 (–1.23 to 40) .30
Average income per month (million VNDa) (reference: no income)

<1 1.92 (–3.34 to 7.18) .47

1-5 –0.17 (–3.27 to 2.94) .91

5-10 1.53 (–1.46 to 4.53) .32

10-20 –1.12 (–4.34 to 2.10) .49

>20 –0.22 (–3.75 to 3.32) .90
Average length of stay (hours) at home during the lockdown (reference: 0-10)

11-20 –0.94 (–3.53 to 1.65) .48

21-24 –2.74 (–5.60 to 0.12) .06
Current health status (reference: good/very good)

Average 9.16 (6.43 to 11.89) <.001

Bad/very bad 8.72 (–1.38 to 18.81) .09

aVND: Vietnam Dong.