Journal List > Pediatr Infect Vaccine > v.24(1) > 1095920

Lee, Choi, and Oh: Factors Influencing Influenza Vaccination Coverage in Korean Adolescents: Analysis of the Korea National Health and Nutrition Examination Survey IV to VI

Abstract

Purpose

Influenza vaccination coverage in adolescents is an important goal of informed vaccination policies and programs. This study aimed to estimate the influenza vaccination coverage rate and investigate the factors influencing influenza vaccination coverage in Korean adolescents.

Methods

The study population consisted of 5,213 adolescents (aged 12 to 18 years) who participated in the Korea National Health and Nutrition Examination Survey from 2007 to 2014 (except for 2013). We analyzed influenza vaccination coverage in relation to the demographics, lifestyle, and medical characteristics of the participants.

Results

The influenza vaccination coverage rate, during the study period, was 23.2% (range, 21.1% to 24.7%). Logistic regression analysis revealed that factors influencing influenza vaccination were elementary school age (odds ratio [OR], 1.706; 95% confidence interval [CI], 1.526 to 1.906), good self-rated health status (OR, 1.192; 95% CI, 1.057 to 1.344), a drinking status of non-drinker (OR, 1.769; 95% CI, 1.474 to 2.122), a smoking status of non-smoker (OR, 1.459; 95% CI, 1.144 to 1.860), and a past diagnosis of pneumonia (OR, 1.469; 95% CI, 1.076 to 2.006).

Conclusions

Influenza vaccination coverage in Korean adolescents is relatively low. Special efforts are needed to increase vaccination coverage for adolescent groups with low vaccination rates including adolescent smokers and drinkers, middle and high school age adolescents, and adolescents with a poor self-rated health status.

Figures and Tables

Table 1

Demographic and Social Factor Correlates of Influenza Vaccination

piv-24-7-i001

Values are presented as number (%) or mean±standard deviation.

*t-test value.

Household income quantile: low ≤990,000 won; middle low 1,000,000 to 1,990,000 won; middle high 2,000,000 to 2,990,000 won; and high ≥3,000,000 won.

Table 2

Lifestyle and Medical Factor Correlates of Influenza Vaccination

piv-24-7-i002

Values are presented as number (%).

*Seat belt use in the front seat: low, ‘never, seldom, sometimes’; high, ‘usually, always’.

Walking days per week: rarely, 0 to 2 days; frequently, 3 to 7 days.

Abbreviations: ADHD, attention deficit hyperactivity disorder.

Table 3

Multivariate Logistic Regression Analysis on Selected Factors Associated with Influenza Vaccination

piv-24-7-i003

Abbreviations: OR, odds ratio; CI, confidence interval.

Table 4

Parental Factor Correlates of Influenza Vaccination

piv-24-7-i004

Values are presented as number (%).

Table 5

Multivariate Logistic Regression Analysis on Selected Parental Factors Associated with Influenza Vaccination

piv-24-7-i005

Abbreviations: OR, odds ratio; CI, confidence interval.

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