Table 3.
Bivariate associations* of discordance in number of mRNA COVID-19 vaccine doses between immunization information systems (IIS) and electronic medical records (EMR) — IVY Network, February 1–August 31, 2022, N = 4499.
| Characteristic |
Unadjusted OR (95 % CI) |
P- value |
|---|---|---|
| Age group, years | ||
| 18–49 | Reference | |
| 50–64 | 1.32 (1.07, 1.64) | 0.009 |
| ≥65 | 1.43 (1.18, 1.75) | <0.001 |
| Race and Ethnicity | ||
| White, non-Hispanic | Reference | |
| Black, non-Hispanic | 1.00 (0.82, 1.21) | 0.98 |
| Hispanic | 0.71 (0.57, 0.89) | 0.002 |
| Other, non-Hispanic | 1.07 (0.79, 1.45) | 0.66 |
| Unknown | 0.66 (0.32, 1.35) | 0.26 |
| SARS-CoV-2 RT-PCR-positive test results | 0.68 (0.59, 0.78) | <0.001 |
| Bi-directional EMR/IIS§ | 0.55 (0.48, 0.64) | <0.001 |
| Currently employed | 0.80 (0.67, 0.97) | 0.021 |
| Long-term care facility resident | 2.34 (1.75, 3.14) | <0.001 |
Abbreviations: OR = odds ratio; CI = confidence interval.
Additional factors that were assessed and determined not to be significantly associated with discordant data between IIS and EMR include the following: sex, college educations, healthcare worker, hospital admissions in the previous year, and healthcare visits in the previous year.
Hospitals with bi-directional IIS and EMR systems include: Montefiore Medical Center (Bronx, New York); Vanderbilt University Medical Center (Nashville, Tennessee); University of Miami Medical Center (Miami, Florida); Emory University Medical Center (Atlanta, Georgia); Johns Hopkins Hospital (Baltimore, Maryland); Baylor Scott & White Health (Temple, Texas); University of Iowa Hospitals and Clinics (Iowa City, Iowa); Hennepin County Medical Center (Minneapolis, Minnesota); Barnes-Jewish Hospital (St. Louis, Missouri); Cleveland Clinic (Cleveland, Ohio); Ohio State University Wexner Medical Center (Columbus, Ohio); Stanford University Medical Center (Stanford, California); UCHealth University of Colorado Hospital (Aurora, Colorado); Oregon Health & Science University Hospital (Portland, Oregon); Intermountain Medical Center (Murray, Utah); University of Washington (Seattle, Washington). Hospitals without bi-directional IIS and EMR include: Baystate Medical Center (Springfield, Massachusetts); Beth Israel Deaconess Medical Center (Boston, Massachusetts); Wake Forest University Baptist Medical Center (Winston-Salem, North Carolina); University of Michigan Hospital (Ann Arbor, Michigan); UCLA Medical Center (Los Angeles, California).