Table 2.
Factors Associated with Giving Both Tdap and Influenza Vaccines Among US Obstetricians-Gynecologists, 2015 (n+294)a
| Variable | Does not give both Tdap and influenza vaccines n=78 (27%) % |
Gives both Tdap and influenza vaccines n=216 (73%) % |
Bivariate PR (95% CI) | Multivariable PR (95% CI) |
|---|---|---|---|---|
|
| ||||
| Gender** | ||||
| Male | 49 | 25 | 0.73 (0.60–0.88) | 0.78 (0.66–0.93) |
| Female | 51 | 75 | Ref. | Ref. |
|
| ||||
| Mean (sd) age in years | 52.7 (11.0) | 46.7 (10.6) | 0.93 (0.90–0.96) per 5 years | |
|
| ||||
| Setting** | ||||
| Private practice | 86 | 54 | Ref. | Ref. |
| Other (Hospital/clinic, HMO, Public Health, University) | 14 | 46 | 1.43 (1.25–1.62) | 1.23 (1.08–1.39) |
|
| ||||
| Region | ||||
| Midwest | 15 | 24 | 1.28 (1.06–1.54) | |
| Northeast | 19 | 18 | 1.14 (0.91–1.42) | |
| South | 49 | 31 | Ref. | |
| West | 17 | 28 | 1.30 (1.08–1.55) | |
|
| ||||
| Mean (sd) Factor 1* Financial Barriers (per 1 point)b | 1.9 (0.8) | 1.1 (0.8) | 0.82 (0.77–0.88) | 0.86 (0.77–0.96) |
|
| ||||
| Mean (sd) Factor 2** Patient Attitudinal Barriers (per 1 point) | 1.2 (0.7) | 1.4 (0.7) | 1.11 (1.03–1.21) | 1.16 (1.07–1.26) |
|
| ||||
| Mean (sd) Factor 3* Practice Barriers (per 1 point) | 1.7 (0.9) | 1.0 (0.8) | 0.82 (0.76–0.88) | 0.87 (0.78–0.97) |
|
| ||||
| Mean (sd) Factor 4 Visit-level Barriers (per 1 point) | 1.3 (0.8) | 1.3 (0.7) | 0.99 (0.90–1.08) | |
Abbreviations: Tdap, tetanus toxoid, reduced diphtheria toxoid, and acellular pertussis vaccine; PR, prevalence ratio; CI, confidence interval; ref., reference; sd, standard deviation; HMO, health maintenance organization.
a
n of 294 includes physicians providing care to pregnant patients with non-missing outcomes
b
Cronbach’s alpha for factors: 1=0.89; 2=0.87; 3=0.80; 4=0.68
Note: Boldface indicates statistical significance (*p<0.05, **p<0.01)