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. 2021 Jun 4;16(6):e0252427. doi: 10.1371/journal.pone.0252427

Table 4. Model 1: Regression analyses examining thoughts about quitting smoking because of COVID-19.

Outcome 1: Because of COVID-19, I’m thinking of quitting smoking: yes, somewhat/very much Yes* weighted % OR 95% CI
Lower CI Upper CI
Modifying Factors
Age 18–39 46.9% 1.2 1.0 1.4
40+ 43.4% Reference
Sex Male 43.3% 0.9 0.7 0.9
Female 47.1% Reference
Education Low 42.4% 0.8 0.6 1.0
Moderate 45.4% 0.9 0.8 1.1
High 47.9% Reference
Income Low 43.9% 0.9 0.8 1.1
Moderate 45.4% 1.0 0.8 1.2
High 45.7% Reference
Ethnicity Ethnic majority 43.9% 0.8 0.6 1.0
Ethnic minority 49.7% Reference
Financial stress Yes 50.0% 1.3 1.1 1.6
No 43.7% Reference
Smoking status Daily 43.8% 0.7 0.6 0.9
Non-daily 51.4% Reference
CPD 0–10 51.1% 1.9 1.5 2.5
11–20 37.3% 1.1 0.8 1.4
21+ 35.3% Reference
Vaping status Current vaper 53.6% 1.5 1.3 1.7
Does not currently vape 43.9% Reference
Depressive symptoms Yes 43.9% 0.9 0.8 1.1
No/don’t know 46.2% Reference
Personal Threat Variables
Susceptibility
Has smoking cigarettes damaged your health?
A great deal/a fair amount 48.3% 1.4 1.1 1.7
Just a little 44.6% 1.2 1.0 1.4
Not at all//don’t know 40.9% Reference
Worried smoking will damage your health in the future
Very worried 52.1% 2.1 1.6 3.0
Moderately/a little worried 43.9% 1.5 1.2 2.1
Not at all worried/don’t know 33.6% Reference
Worried that you already have had, or that you will get the coronavirus
Extremely/very worried 63.0% 4.4 3.4 5.6
Somewhat/a little worried 47.1% 2.3 1.9 2.8
Not at all worried/don’t know 27.9% Reference
Suspected having had COVID-19 Yes 53.6% 1.5 1.1 1.9
No/don’t know 43.9% Reference
Severity
If you got the coronavirus, how severe do you think the illness would be for you, compared to others your age who got it?
A lot more severe 55.7% 1.2 1.0 1.5
Somewhat/a little more severe 43.9% 1.1 0.8 1.4
No difference/less severe/don’t know 37.9% Reference
Severity of COVID-19 for smokers vs. non-smokers
A lot more severe 55.7% 2.1 1.6 2.7
Somewhat/a little more severe 43.9% 1.3 1.0 1.6
No difference/less severe/don’t know 37.9% Reference

N = 6635 had complete data for all variables; Data are weighted

*’Yes’ is the main outcome presented in this table (yes: very much/somewhat = 3399 vs. otherwise (not at all/don’t know) = 3236); CPD: Cigarettes smoked per day; CI: Confidence interval. Bolded data indicated statistical significant at the p<0.05 level.

Wald: 15.7, p<0.0001; Country: p = 0.20; Respondent type p = 0.47; Survey date: p = 0.001.