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. 2022 Oct 13;9(4):e37693. doi: 10.2196/37693

Table 7.

Univariate and multivariate regression analyses demonstrating associations between independent variables and HL score and behavior score regarding COVID-19 prevention.

Characteristic HLa score univariate analysis HL score multivariate analysis Behavior score univariate analysis Behavior score multivariate analysis

Crude coefficient (95% CI) P
value
Adjusted coefficientb (95% CI) P
value
Crude coefficient (95% CI) P
value
Adjusted coefficientb (95% CI) P
value
Region (lower south vs upper south) 6.44 (5.26-7.62) <.001 7.03 (5.36-8.7) <.001 1.36 (0.79-1.92) <.001 0.81 (0.17-1.45) .01
Sex (female vs male) 0.99 (–0.51 to 2.49) .20 N/Ac N/A –0.42 (–1.07 to 0.23) .20 –0.76 (–1.38 to –0.13) .02
Age (years) 0.18 (0.11-0.24) <.001 N/A N/A 0.03 (0.01-0.06) .01 N/A N/A
Religion (reference=Buddhism)

Islam 0.95 (–1.02 to 2.91) .34 N/A N/A 0.35 (–0.5 to 1.21) .40 N/A N/A

Christian 5.75 (–1.98 to 13.47) .14 N/A N/A –0.31 (–3.67 to 3.05) .86 N/A N/A
Education (bachelor or above vs high school or below) –2.00 (–3.48 to –0.53) .01 N/A N/A 0.15 (–0.5 to 0.79) .66 N/A N/A
Food delivery company (reference=company A)

B 1.64 (0.18-3.1) .03 N/A N/A 1.03 (0.4-1.66) .001 N/A N/A

C –0.87 (–2.86 to 1.13) .39 N/A N/A –0.01 (–0.87 to 0.85) .99 N/A N/A

D –1.42 (–7.43 to 4.58) .64 N/A N/A –0.92 (–3.51 to 1.67) .49 N/A N/A
Working duration as driver (months) 0.11 (0.03-0.19) .01 N/A N/A 0.05 (0.01-0.08) .01 N/A N/A
Working hour per day 0.46 (0.2-0.71) <.001 N/A N/A 0.22 (0.11-0.33) <.001 0.17 (0.06-0.28) .002
Number of daily food order deliveries –0.11 (–0.21 to –0.02) .02 N/A N/A –0.02 (–0.07 to 0.02) .24 N/A N/A
Daily income (THBd) 0 (–0.01 to 0) .16 N/A N/A 0 (0-0) .99 N/A N/A
Pre-existing chronic illnesses (yes vs no) –0.35 (–3.34 to 2.65) .82 N/A N/A –0.78 (–2.08 to 0.52) .24 N/A N/A
Cigarette smoker (reference=never smoke)

Former smoker –1.33 (–3.26 to 0.61) .18 N/A N/A –0.23 (–1.08 to 0.61) .59 N/A N/A

Current smoker 1.77 (0.17-3.37) .03 N/A N/A 0.40 (–0.29 to 1.1) .26 N/A N/A
Alcohol consumption (current drinker vs never drink) 0.39 (–1.05 to 1.82) .60 N/A N/A 0.15 (–0.47 to 0.78) .63 N/A N/A
Health insurance status (reference=universal coverage)

Civil servant –6.2 (–12.75 to 0.35) .06 –1.45 (–6.63 to 3.73) .58 –0.54 (–3.47 to 2.38) .71 N/A N/A

Social security –0.04 (–1.53 to 1.45) .96 0.49 (–0.69 to 1.67) .41 –0.12 (–0.79 to 0.54) .71 N/A N/A

Self-pay –4.96 (–7.11 to –2.8) <.001 –2.25 (–3.98 to –0.53) .01 –0.58 (–1.54 to 0.38) .23 N/A N/A
Website (reference=never)

Frequent 0.03 (–2.3 to 2.36) .98 N/A N/A –0.46 (–1.47 to 0.54) .37 N/A N/A

Sometimes 0.05 (–1.42 to 1.52) .95 N/A N/A 0.46 (–0.17 to 1.09) .15 N/A N/A
Line (reference=never)

Frequent 1.31 (–1.68 to 4.29) .39 N/A N/A –0.01 (–1.31 to 1.29) .99 N/A N/A

Sometimes 2.69 (–0.3 to 5.69) .08 N/A N/A 0.43 (–0.88 to 1.73) .52 N/A N/A
Facebook (reference=never)

Frequent 0.17 (–3.25 to 3.58) .92 N/A N/A 1.92 (0.44-3.39) .01 1.66 (0.24-3.08) .02

Sometimes –1.35 (–4.98 to 2.29) .47 N/A N/A 1.50 (–0.06 to 3.07) .06 1.35 (–0.15 to 2.86) .08
YouTube (reference=never)

Frequent –3.09 (–4.99 to –1.2) .001 –2.17 (–3.88 to –0.47) .01 0.38 (–0.45 to 1.21) .37 N/A N/A

Sometimes –0.53 (–2.19 to 1.12) .53 –4.08 (–5.72 to –2.45) <.001 0.63 (–0.1 to 1.35) .09 N/A N/A
Television (reference=never)

Frequent 5.58 (4.08-7.08) <.001 2.81 (0.95-4.66) .003 1.29 (0.61-1.97) <.001 N/A N/A

Sometimes 1.18 (–0.4 to 2.75) .14 1.54 (–0.11 to 3.19) .07 0.40 (–0.32 to 1.13) .27 N/A N/A
Relatives (reference=never)

Frequent 3.03 (1.42 to 4.64) <.001 –4.19 (–6.25 to –2.13) <.001 0.86 (0.12-1.6) .02 N/A N/A

Sometimes –2.54 (–4.14 to –0.93) .002 –5.36 (–7.1 to –3.63) <.001 –0.07 (–0.8 to 0.67) .86 N/A N/A
Colleagues (reference=never)

Frequent 2.72 (1.02-4.42) .002 N/A N/A 1.22 (0.47-1.97) .002 N/A N/A

Sometimes –1.43 (–3.14 to 0.29) .10 N/A N/A 0.15 (–0.61 to 0.91) .69 N/A N/A
Perceived sufficient knowledge of COVID-19 (yes vs no) 5.35 (2.25-8.44) <.001 4.61 (2.1-7.12) <.001 0.72 (–0.63 to 2.08) .30 N/A N/A
Obtaining information from the company (yes vs no) 3.33 (–2.67 to 9.33) .28 N/A N/A 0.90 (–1.7 to 3.51) .50 N/A N/A
Accessibility to information (access vs no access) 5.83 (1.1-10.57) .02 2.89 (–0.81 to 6.59) .13 1.21 (–0.85 to 3.28) .25 N/A N/A
Frequency of seeking information (weekly vs less than weekly) –6.59 (–8.22 to –4.97) <.001 –3.04 (–4.56 to –1.52) <.001 –1.13 (–1.88 to –0.38) .003 N/A N/A
Information verification (yes vs no) 1.82 (–1.49 to 5.12) .28 N/A N/A 2.01 (0.59-3.43) .01 1.42 (0.05-2.79) .04
HL score N/A N/A N/A N/A 0.10 (0.05-0.14) <.001 0.06 (0.01-0.1) .02

aHL: health literacy.

bAdjusted by the backward stepwise method.

cN/A: not applicable.

dTHB: Thai baht.