Table 2.

Associated factors for received influenza vaccination.

Factor	Univariate analysis			Multivariate analysis
	OR	(95% CI)	P-value	OR	(95% CI)	P-value
Age ≥ 65 yrs	2.13	1.85–2.44	<0.001	1.39	1.17–1.64	<0.001
Female	1.17	1.03–1.34	0.021	1.06	0.92–1.23	0.407
BMI ≥ 30 kg/m2	0.89	0.75–1.05	0.166
Duration of DM ≥ 15 yrs	2.01	1.75–2.31	<0.001	1.60	1.37–1.87	<0.001
Current smoking	0.78	0.61–1.00	0.049	0.93	0.72–1.22	0.608
Chronic Pulmonary diseases	1.92	1.50–2.47	<0.001	1.73	1.34–2.25	<0.001
Cardiovascular disease	1.17	0.94–1.45	0.154
A1C ≥ 9.0%	1.03	0.80–1.32	0.823
Insulin-treated regimen	1.20	1.03–1.40	0.022	1.14	0.96–1.35	0.139
Moderate to Severe Comorbidities (CCS ≥ 3)	2.85	2.36–3.44	<0.001	1.86	1.49–2.33	<0.001

Note: Factors achieving a P-value < 0.1 from the univariate analysis were included in the multivariate models to determine associated positively factors with influenza vaccinations.