TABLE 4.
Bivariable and Multivariable Models Predicting Agreeing to Spread Out “Often/Always” (N = 438 with nonmissing values)
| Characteristic | Bivariable OR (95% CI) |
Multivariable OR (95% CI) |
|---|---|---|
| Practice specialty | ||
| Family medicine | Ref. | Ref. |
| Pediatrics | 1.24 (0.83–1.86) | 2.18 (1.34–3.56) |
| Gender | ||
| Female | Ref. | |
| Male | 1.39 (0.94–2.05) | |
| Age, per 5 y increase | 0.99 (0.89–1.09) | |
| Practice location | ||
| Urban, inner city | 0.65 (0.42–1.01) | 0.53 (0.33–0.87) |
| Urban, non–inner/suburban | Ref. | Ref. |
| Rural | 1.24 (0.73–2.10) | 1.31 (0.73–2.33) |
| Region | ||
| Midwest | 0.84 (0.49–1.43) | |
| Northeast | 0.77 (0.45–1.34) | |
| South | Ref. | |
| West | 0.80 (0.47–1.37) | |
| Practice setting | ||
| Private practice | Ref. | |
| Community or hospital based | 1.06 (0.63–1.78) | |
| HMO or MCO | 0.71 (0.30–1.68) | |
| Median providers in practice | ||
| ≤5 | Ref. | |
| ≥6 | 0.93 (0.63–1.37) | |
| Participate in VFC | ||
| Yes | Ref. | |
| No/don’t know | 0.66 (0.40–1.07) | |
| Proportion of patients <2 y, % | ||
| <10 | 0.77 (0.48–1.25) | |
| 10–24 | Ref. | |
| 25–49 | 0.71 (0.44–1.16) | |
| ≥50 | 0.57 (0.22–1.45) | |
| Proportion of privately insured patients, % | ||
| 10–24 | 1.10 (0.65–1.85) | |
| 25–49 | 1.48 (0.91–2.41) | |
| ≥50 | Ref. | |
| Proportion of Medicaid/SCHIP patients, % | ||
| 10–24 | 1.33 (0.80–2.19) | |
| 25–49 | Ref. | |
| ≥50 | 1.74 (0.95–3.19) | |
| Proportion of uninsured patients, % | ||
| 10–24 | 1.62 (0.42–6.21) | |
| 25–49 | Ref. | |
| ≥50 | 2.67 (0.12–57.60) | |
| Black/African American, % | ||
| <10 | Ref. | |
| ≥10 | 0.79 (0.53–1.18) | |
| Hispanic/Latino, % | ||
| <10 | Ref. | |
| ≥10 | 0.90 (0.61–1.33) | |
| Asian/Pacific Islander, % | ||
| <10 | Ref. | |
| ≥10 | 0.88 (0.52–1.47) | |
| Strongly agree with: | ||
| Q13m. I think it is important to give all recommended vaccines in the primary series at the recommended times (2, 4, 6, 12–18 mo). | 0.37 (0.23–0.59) | 0.36 (0.21–0.62) |
| Q13j. Parents choosing to “spread out” vaccines put their children at risk for getting/contracting a vaccine-preventable disease. | 0.53 (0.36–0.79) | |
| Q13b. It is more painful to children to bring them back repeatedly for shots rather than give them multiple shots at the same time. | 0.96 (0.65–1.42) | |
| Q13e. If I agree to work with parents in “spreading out” vaccines, it allows for a greater degree of trust between us. | 2.97 (1.90–4.66) | 2.58 (1.58–4.20) |
| Q13f. The practice of “spreading out” vaccines will lead to outbreaks of vaccine-preventable diseases. | 0.51 (0.31–0.83) | |
| Q13l. If I don’t agree to “spread out” the vaccine schedule, families might leave my practice. | 1.50 (0.95–2.38) | |
| Q13i. If I comply with parents’ desires to “spread out” their child’s vaccines it gives them a mixed message. | 0.25 (0.11–0.57) | 0.31 (0.13–0.73) |
| Q13h. Parents wanting to “spread out” vaccines have decreased my job satisfaction. | 0.66 (0.33–1.32) | |
| Q13g. I understand why parents choose to “spread out” their children’s vaccines. | 4.23 (1.79–9.97) | 2.67 (1.04–6.88) |
| Q13k. If I tell parents I cannot agree to “spreading out” vaccines they usually agree to get all the recommended vaccines. | 0.09 (0.01–0.69) | |
| Q13d. Most parents who want to “spread out” vaccines don’t tell me why they want to do so. | 0.51 (0.16–1.59) | |
| Q13c. I suggest to parents that they “spread out” the vaccines in the primary series. | 4.40 (0.84–22.96) | |
| Q13a. I agree with parents who wish to “spread out” vaccines. | 6.94 (0.77–62.61) | |
HMO, health maintenance organization; MCO, managed care organization; SCHIP, State Children’s Health Insurance Program; VFC, Vaccines for Children program.