Table 2.

Multivariable predictors of having missed opportunities for influenza vaccination before and after the intervention.

Variables	Before Intervention			After Intervention
Variables	OR	95% CI	p	OR	95% CI	p
Age, per yr	0.97	0.94–0.99	0.012	1	0.96–1.04	0.83
Visit frequency > every 3 mos	2.1	0.97–4.53	0.059	0.36	0.08–1.08	0.081
ESR ≥ 20 mm/h	2.31	1.19–4.47	0.013	1.36	0.32–3.22	0.58
Vaccine Attitudes Score, per unit	0.94	0.90–0.97	0.001	0.97	0.91–1.04	0.58
Race/ethnicity
NH white				referent	—
NH black				10.67	1.69–56.06	0.006
Hispanic				1.53	0.13–5.73	0.62
Other/not declared				0.66	0.02–12.07	0.79
Faculty practice				0.33	0.13–0.99	0.047
Residence
Manhattan				referent	—
Other borough				0.35	0.07–1.03	0.084
Contiguous county				1.38	0.17–5.22	0.7
Outside NYC metro				7.79	1.43–31.72	0.019
English primary language				0.25	0.035–0.91	0.036
Prior infection, not hospitalized				3.29	1.27–8.96	0.013
Prior reaction to any vaccine				7.52	1.78–29.54	0.004
Missed opportunities in preintervention period				4.11	1.71–11.05	0.002
AUC	0.724	0.649–0.800		0.812	0.739–0.886

ESR: erythrocyte sedimentation rate; NH: non-Hispanic; NYC: New York City; AUC: area under the receiver-operator curve.