Table 2.
Multivariable model of farm residence and COVID-19 vaccine initiation, series completion, and booster receipt in north-central Wisconsin children and adolescents.
| COVID-19 vaccination (yes vs no) Multivariable adjusted odds ratio (95% CI), p |
|||
|---|---|---|---|
| Initiated | Completed | Boosted (age ≥ 12 yrs) |
|
| Residence | |||
| Farm vs Non-farm | 0.68 (0.61, 0.75) p <.001 |
0.67 (0.60, 0.75) p <.001 |
0.73 (0.61, 0.88) p =.001 |
| Age (yrs) | 1.12 (1.10, 1.12) p <.001 |
1.12 (1.11, 1.13) p <.001 |
1.15 (1.13, 1.17) p <.001 |
| Sex | |||
| Female vs Male | 1.11 (1.06, 1.15) p <.001 |
1.10 (1.06, 1.15) p <.001 |
1.16 (1.08, 1.25) p <.001 |
| Race/Ethnicity | |||
| Non-White or Hispanic vs White, non-Hispanic | 2.28 (2.15, 2.41) p <.001 |
2.19 (2.06, 2.32) p <.001 |
1.62 (1.47, 1.80) p <.001 |
| Unknown vs White, non-Hispanic | 1.74 (1.57, 1.93) p <.001 |
1.74 (1.57, 1.94) p <.001 |
1.67 (1.38, 2.02) p <.001 |
| Health insurance | |||
| Private vs Public-assisted | 2.12 (2.03, 2.21) p <.001 |
2.24 (2.13, 2.25) p <.001 |
2.27 (2.10, 2.46) p <.001 |
| None vs Public-assisted | 0.96 (0.72, 1.27) p =.752 |
0.95 (0.70, 1.27) p =.705 |
0.53 (0.25, 1.48) p =.108 |
| Number of ambulatory visits (prior 3 years; quartiles) | |||
| 3–4 vs ≤ 2 | 1.24 (1.16, 1.32) p <.001 |
1.25 (1.17, 1.34) p <.001 |
1.18 (1.03, 1.36) p =.019 |
| 5–7 vs ≤ 2 | 1.74 (1.63, 1.86) p <.001 |
1.84 (1.72, 1.97) p <.001 |
1.89 (1.67, 2.15) p <.001 |
| ≥8 vs ≤ 2 | 2.90 (2.72, 3.09) p <.001 |
3.12 (2.92, 3.33) p <.001 |
3.55 (3.16, 3.98) p <.001 |
| Body mass index (percentile categories) | |||
| Underweight vs Normal weight | 1.25 (1.11, 1.41) p <.001 |
1.28 (1.13, 1.44) p <.001 |
1.24 (1.02, 1.51) p =.033 |
| Overweight vs Normal weight | 0.97 (0.92, 1.03) p =.359 |
0.97 (0.92, 1.03) p =.335 |
0.95 (0.86, 1.06) p =.367 |
| Obese vs Normal weight | 0.98 (0.93, 1.04) p =.531 |
0.97 (0.92, 1.02) p =.242 |
0.93 (0.85, 1.02) p =.143 |
| Unknown vs Normal weight | 1.94 (1.68, 2.25) p <.001 |
2.04 (1.76, 2.37) p <.001 |
2.45 (1.87, 3.22) p <.001 |
| Chronic medical condition | |||
| Yes vs no | 1.09 (1.04, 1.15) p <.001 |
1.09 (1.03, 1.15) p =.001 |
1.15 (1.06, 1.25) p =.001 |
| Prior Tdap (≥13 years old) or MMR (<13 years old) vaccination | |||
| Not received vs Received | 0.27 (0.23, 0.32) p <.001 |
0.26 (0.22, 0.31) p <.001 |
0.25 (0.17, 0.36) p <.001 |
| Prior COVID-19 testing and results | |||
| Tested, ≥1 positive result vs Not tested | 0.38 (0.35, 0.41) p <.001 |
0.37 (0.34, 0.39) p <.001 |
0.30 (0.26, 0.34) p <.001 |
| Tested, only negative result(s) vs Not tested | 0.84 (0.80, 0.88) p <.001 |
0.83 (0.79, 0.87) p <.001 |
0.65 (0.60, 0.71) p <.001 |
| Tested, unknown result(s) vs Not tested | 0.45 (0.37, 0.54) p <.001 |
0.41 (0.34, 0.51) p <.001 |
0.25 (0.16, 0.41) p <.001 |
| Days eligible for COVID-19 vaccine * | 1.02 (1.01, 1.03) p <.001 |
1.03 (1.02, 1.04) p <.001 |
1.01 (1.00, 1.02) p =.030 |
*The adjusted odds ratio and 95% CI were reported in 30-day (vs 1 day) increments of time eligible for the COVID-19 vaccine.