Korean Journal of Family Practice

Table. 2.

Factors associated with influenza vaccination, stratified by age groups

Characteristics Total Age 19–39 y Age 40–64 y Age ≥65 y
Sex
Male 0.805 (0.691–0.938)* 0.915 (0.730–1.147) 0.669 (0.523–0.857)* 0.533 (0.353–0.807)*
Female 1 1 1 1
Education
Elementary or lower 1.342 (1.094–1.647)* 0.785 (0.227–2.720) 1.532 (1.162–2.021)* 1.012 (0.632–1.623)
Middle 1.155 (0.939–1.422) 0.263 (0.115–0.603)* 1.385 (1.076–1.785)* 0.925 (0.548–1.561)
High 0.878 (0.767–1.005) 0.894 (0.712–1.125) 0.890 (0.736–1.079) 0.910 (0.580–1.429)
College and higher 1 1 1 1
Income
Lowest 0.851 (0.693–1.047) 0.765 (0.463–1.265) 0.727 (0.544–0.972)* 1.247 (0.819–1.900)
Medium-lowest 0.881 (0.737–1.054) 0.993 (0.736–1.341) 0.763 (0.616–0.947)* 1.034 (0.693–1.545)
Medium-highest 0.740 (0.361–0.869)* 0.709 (0.557–0.903)* 0.698 (0.561–0.870)* 1.244 (0.779–1.989)
Highest 1 1 1 1
Living area
Urban 1.013 (0.856–1.200) 1.090 (0.788–1.511) 0.987 (0.786–1.241) 0.980 (0.724–1.627)
Rural 1 1 1 1
Marital status
Married 2.823 (2.281–3.495)* 3.361 (2.657–4.253)* 1.246 (0.807–1.926) 4.965 (1.760–14.014)*
Divorced/separated/widowed 3.087 (2.311–4.125)* 3.519 (1.409–8.792)* 1.556 (0.955–2.536) 3.824 (1.321–11.074)*
Single 1 1 1 1
Smoking
Current smoker 0.727 (0.597–0.885)* 0.593 (0.431–0.816)* 0.987 (0.736–1.324) 0.736 (0.472–1.148)
Ex-smoker 1.011 (0.843–1.213) 0.928 (0.654–1.316) 1.277 (0.976–1.671) 0.991 (0.674–1.457)
Non-smoker 1 1 1 1
Drinking
Heavy drinker 0.745 (0.596–0.932)* 0.928 (0.645–1.336) 0.625 (0.472–0.829)* 0.941 (0.499–1.776)
Mild to moderate drinker 0.975 (0.862–1.103) 1.110 (0.892–1.382) 0.876 (0.746–1.028) 1.046 (0.805–1.359)
Non-drinker 1 1 1 1
Regular exercise
Yes 1.043 (0.932–1.168) 1.065 (0.869–1.306) 0.978 (0.841–1.137) 1.391 (1.080–1.791)*
No 1 1 1 1
Comorbidity
Yes 1.169 (1.105–1.347)* 0.926 (0.679–1.265) 1.248 (1.032–1.510)* 1.372 (0.022–1.842)
No 1 1 1 1

Values are presented as odds ratio (95% confidence interval).

Multiple logistic regression analysis adjusted for sex, education, income, living area, marital status, smoking, drinking, regular exercise, and comorbidity.

*P<0.05.

Korean J Fam Pract 2021;11:247~255 https://doi.org/10.21215/kjfp.2021.11.4.247
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