Characteristics associated with influenza vaccination in high school students
Variable | Vaccination odds ratio (95% confidence interval) | ||
---|---|---|---|
Model 1 |
Model 2 |
Model 3 |
|
Grade | |||
1 | 1.466 (1.366–1.574) | 1.478 (1.366–1.598) | 1.473 (1.362–1.595) |
2 | 1.113 (1.038–1.193) | 1.094 (1.010–1.184) | 1.089 (1.006–1.180) |
3 | 1 | 1 | 1 |
Economic status | |||
Very high | 2.059 (1.698–2.497) | 1.962 (1.493–2.578) | 2.002 (1.521–2.633) |
High | 1.880 (1.581–2.237) | 1.738 (1.353–2.232) | 1.755 (1.366–2.253) |
Moderate | 1.470 (1.243–1.738) | 1.405 (1.104–1.788) | 1.429 (1.124–1.818) |
Low | 1.149 (0.958–1.378) | 1.151 (0.892–1.485) | 1.166 (0.904–1.503) |
Very low | 1 | 1 | 1 |
Residential type | |||
With family | 1 | 1 | 1 |
With relatives | 0.993 (0.742–1.330) | 1.311 (0.856–2.007) | 1.371 (0.895–2.100) |
In dormitory | 1.165 (1.037–1.308) | 1.166 (1.028–1.322) | 1.155 (1.018–1.310) |
In nursery | 1.310 (0.929–1.848) | 0.957 (0.468–1.957) | 0.959 (0.466–1.971) |
School achievement | |||
Very high | 1.220 (1.088–1.367) | 1.050 (0.911–1.211) | 1.028 (0.889–1.189) |
High | 1.198 (1.090–1.318) | 1.125 (0.997–1.269) | 1.104 (0.976–1.250) |
Moderate | 1.153 (1.052–1.265) | 1.129 (1.004–1.269) | 1.112 (0.987–1.254) |
Low | 1.069 (0.972–1.177) | 1.130 (0.999–1.277) | 1.115 (0.985–1.263) |
Very low | 1 | 1 | 1 |
Educational level of father | |||
Middle school or lower | 0.735 (0.606–0.892) | 0.831 (0.664–1.040) | 0.851 (0.680–1.064) |
High school | 0.911 (0.853–0.972) | 1.016 (0.938–1.102) | 1.021 (0.941–1.106) |
University or higher | 1 | 1 | 1 |
Educational level of mother | |||
Middle school or lower | 0.836 (0.689–1.015) | 1.068 (0.863–1.321) | 1.081 (0.871–1.342) |
High school | 0.867 (0.817–0.921) | 0.957 (0.891–1.028) | 0.965 (0.898–1.038) |
University or higher | 1 | 1 | 1 |
Experience of part-time job | |||
No | 1 | 1 | 1 |
Yes | 0.897 (0.840–0.958) | 0.973 (0.901–1.051) | 1.000 (0.923–1.083) |
Weekly allowance (10,000 won) | |||
<1 | 0.863 (0.802–0.930) | 0.893 (0.815–0.978) | 0.886 (0.808–0.972) |
1–2 | 0.964 (0.898–1.036) | 0.947 (0.875–1.026) | 0.947 (0.874–1.027) |
2–3 | 0.953 (0.880–1.031) | 0.964 (0.885–1.050) | 0.958 (0.880–1.043) |
≥3 | 1 | 1 | 1 |
Ever smoked | |||
No | 1 | 1 | 1 |
Yes | 0.892 (0.830–0.959) | 0.907 (0.829–0.993) | 0.909 (0.827–0.998) |
Ever drank alcohol | |||
No | 1 | 1 | 1 |
Yes | 0.909 (0.862–0.959) | 0.966 (0.907–1.029) | 0.980 (0.918–1.045) |
Physical activity | |||
Non-optimal intensity | 1 | 1 | 1 |
Optimal intensity | 1.266 (1.110–1.444) | 1.302 (1.120–1.514) | 1.313 (1.129–1.526) |
Asthma | |||
No | 1 | 1 | 1 |
Yes | 1.237 (1.131–1.353) | 1.196 (1.079–1.325) | 1.123 (1.011–1.247) |
Allergic rhinitis | |||
No | 1 | 1 | 1 |
Yes | 1.338 (1.270–1.410) | 1.335 (1.257–1.417) | 1.341 (1.263–1.425) |
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).