Table 2.
Multivariable logistic regression for child HPV vaccination statuses (≥1 dose vs. 0) based on maternal HPV vaccine status and other sociodemographic variables.
| ≥1 dose (child) |
Univariate |
Multivariable |
||||||
|---|---|---|---|---|---|---|---|---|
| n/N | (%) | COR1 | (95% CI) | P | AOR1 | (95% CI) | P | |
| N | 1995/3261 | (61) | 2791 | (82) | 625 | (18) | ||
| Mother characteristics | ||||||||
| Mother HPV vaccine status | ||||||||
| 0 doses | 1502/2666 | (56) | Ref | Ref | ||||
| ≥ 1 doses | 493/595 | (83) | 3.75 | (2.99–4.70) | 3.58 | (2.81–4.56) | ** | |
| Age – years | 0.99 | (0.98–1.00) | 1.00 | (0.99–1.01) | ||||
| Race/ethnicity | ||||||||
| Non-Hispanic White | 1312/2295 | (57) | Ref | Ref | ||||
| Non-Hispanic Black | 257/360 | (71) | 1.87 | (1.47–2.38) | ** | 1.90 | (1.46–2.47) | ** |
| Hispanic | 313/434 | (72) | 1.94 | (1.55–2.43) | ** | 1.88 | (1.47–2.49) | ** |
| Asian | 46/59 | (78) | 2.65 | (1.42–4.93) | * | 2.59 | (1.34–4.98) | * |
| Other | 67/113 | (59) | 1.09 | (0.74–1.60) | 1.24 | (0.82–1.88) | ||
| Educational attainment | ||||||||
| College | 669/1144 | (58) | Ref | Ref | ||||
| Some College/Vocational | 814/1358 | (60) | 1.06 | (0.91–1.25) | 1.13 | (0.93–1.36) | ||
| High School | 457/680 | (67) | 1.46 | (1.19–1.77) | ** | 1.40 | (1.10–1.77) | * |
| Less than High School | 55/79 | (70) | 1.63 | (0.99–2.67) | 1.40 | (0.80–2.42) | ||
| Vaccination confidence | ||||||||
| Low | 782/1500 | (52) | Ref | Ref | ||||
| High | 1213/1761 | (69) | 2.03 | (1.76–2.34) | 2.26 | (1.93–2.63) | ** | |
| Child characteristics | ||||||||
| Age – years | 1.40 | (1.31–1.50) | ** | 1.46 | (1.36–1.57) | ** | ||
| Sex | ||||||||
| Male | 923/1545 | (60) | Ref | Ref | ||||
| Female | 1072/1716 | (62) | 1.12 | (0.97–1.29) | 1.11 | (0.95–1.29) | ||
| Insurance status | ||||||||
| Insured | 1799/2974 | (60) | Ref | Ref | ||||
| Uninsured | 196/286 | (69) | 1.42 | (1.10–1.85) | * | 1.27 | (0.96–1.69) | |
| Household characteristics | ||||||||
| Household Income | ||||||||
| ≥$100,000 | 395/644 | (61) | Ref | Ref | ||||
| $75,000-$99,999 | 301/501 | (60) | 0.95 | (0.75–1.20) | 0.89 | (0.69–1.16) | ||
| $50,000-$74,999 | 410/731 | (60) | 0.81 | (0.65–1.00) | 0.70 | (0.55–0.89) | * | |
| $25,000-$49,999 | 504/844 | (26) | 0.93 | (0.76–1.15) | 0.77 | (0.60–0.99) | ||
| <$25,000 | 385/541 | (71) | 1.56 | (1.22–1.99) | ** | 1.28 | (0.96–1.72) | |
| Region of US1 | ||||||||
| South | 1194/1924 | (62) | Ref | Ref | ||||
| Midwest | 525/868 | (60) | 0.94 | (0.79–1.10) | 1.04 | (0.87–1.24) | ||
| West | 212/343 | (62) | 0.99 | (0.78–1.25) | 0.97 | (0.75–1.25) | ||
| Northeast | 64/126 | (51) | 0.63 | (0.44–0.91) | 0.65 | (0.43–0.96) | ||
1COR – Crude Odds Ratio, AOR – Adjusted Odds Ratio
P -*<.01, **<.001
1Region of US – states grouped based on US Census regions. South – AL, AR, FL, GA, KY, MS, NC, OK, SC, TN, TX, WV; Midwest – IL, IN, KS, MO, OH, SD; West – AK, AZ, ID, MT, NV, NM, UT, WY; Northeast – NJ.
2Multivariable logistic regression model adjusted for maternal characteristics (age, race/ethnicity, education attainment, vaccination confidence), child characteristics (age, sex, insurance status), and household characteristics (annual household income, US census region).