Korean Journal of Family Practice

Table. 3.

Characteristics associated with influenza vaccination in middle school students

Variable Odds ratio (95% confidence interval) of vaccination
Model 1a Model 2b Model 3c
Gender
Man 0.901 (0.853–0.952) 0.907 (0.848–0.971) 0.890 (0.831–0.954)
Woman 1 1 1
Grade
1 2.402 (2.245–2.570) 2.406 (2.216–2.613) 2.420 (2.226–2.631)
2 1.885 (1.769–2.008) 1.892 (1.758–2.037) 1.900 (1.766–2.044)
3 1 1
City type
Small city 0.994 (0.902–1.095) 1.012 (0.897–1.143) 1.031 (0.913–1.164)
Middle sized city 1 1 1
Metropolitan 1.151 (1.077–1.230) 1.149 (1.057–1.248) 1.151 (1.058–1.251)
Economic status
Very high 1.789 (1.462–2.190) 1.250 (0.912–1.715) 1.260 (0.918–1.728)
High 1.669 (1.371–2.032) 1.201 (0.886–1.628) 1.208 (0.892–1.636)
Moderate 1.309 (1.082–1.583) 0.987 (0.732–1.331) 0.992 (0.736–1.337)
Low 1.019 (0.834–1.245) 0.862 (0.621–1.197) 0.862 (0.622–1.195)
Very low 1 1 1
School achievement
Very high 1.730 (1.548–1.933) 1.558 (1.330–1.826) 1.515 (1.292–1.777)
High 1.678 (1.507–1.868) 1.523 (1.315–1.764) 1.496 (1.292–1.732)
Moderate 1.530 (1.385–1.691) 1.461 (1.259–1.697) 1.447 (1.246–1.680)
Low 1.272 (1.145–1.413) 1.296 (1.121–1.498) 1.292 (1.119–1.493)
Very low 1 1 1
Educational level of father
Middle school or lower 0.752 (0.606–0.934) 1.070 (0.823–1.390) 1.074 (0.827–1.395)
High school 0.900 (0.839–0.966) 1.072 (0.983–1.169) 1.079 (0.989–1.178)
University or higher 1 1 1
Educational level of mother
Middle school or lower 0.575 (0.449–0.736) 0.606 (0.448–0.819) 0.611 (0.452–0.826)
High school 0.896 (0.838–0.957) 0.994 (0.918–1.076) 0.999 (0.923–1.081)
University or higher 1 1 1
Experience of part-time job
No 1 1 1
Yes 0.709 (0.630–0.798) 0.966 (0.820–1.137) 0.964 (0.814–1.140)
Ever smoked
No 1 1 1
Yes 0.754 (0.683–0.832) 0.999 (0.878–1.136) 1.012 (0.888–1.153)
Ever drank alcohol
No 1 1 1
Yes 0.861 (0.814–0.911) 0.980 (0.913–1.052) 0.974 (0.907–1.046)
Physical activity
Non-optimal intensity 1 1 1
Optimal intensity 1.169 (1.053–1.298) 1.137 (0.995–1.300) 1.148 (1.000–1.312)
Asthma
No 1 1 1
Yes 1.177 (1.080–1.282) 1.236 (1.112–1.374) 1.184 (1.064–1.318)
Allergic rhinoritis
No 1 1 1
Yes 1.245 (1.182–1.312) 1.228 (1.150–1.311) 1.218 (1.140–1.302)

aUnadjusted. bAdjusted by gender, grade, socioeconomic status (city type, house income, parents’ education level, weekly allowance, experience of part-time job, school achievement). cAdjusted by gender, grade, socioeconomic status (city type, house income, parents’ education level, weekly allowance, experience of part-time job, school achievement), health behavior (smoking, alcohol drinking, physical activity), medical history (asthma, allergic rhinitis, atopic dermatitis).

Korean J Fam Pract 2021;11:263~271 https://doi.org/10.21215/kjfp.2021.11.4.263
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