Table 5.

The factors associated with influenza vaccination in the older adults.

Risk factors		Influenza vaccination (N < 6,022, Pseudo R2 < 0.11)
		OR a	95% CI b	p-value
Gender (ref c < Male)	Female	1.21	1.00–1.46	0.046
Age (ref < ≥75 years)	65–74 years	0.80	0.69–0.94	0.006
Monthly income (ref < ≥1.01 million won)	≤1 million won	1.21	1.03–1.41	0.020
Educational level (ref < Higher than middle school)	Uneducated	1.46	1.17–1.82	0.003
	Primary school	1.27	1.03–1.57	0.038
Marital status (ref < Others)	Married	1.26	1.07–1.50	0.006
Residency area (ref < Urban)	Rural	1.16	0.96–1.41	0.122
Smoker (ref < No)	Yes	0.75	0.61–0.92	0.006
Regular alcohol consumer (ref < No)	Yes	1.20	1.00–1.42	0.045
Walking activity (ref < Not regular)	Regular	1.43	1.25–1.65	<0.001
Stressed (ref < No)	Yes	0.77	0.65–0.91	0.002
Health check–up (ref < No)	Yes	3.68	3.19–4.24	< 0.001
Co–morbidity (ref < No)	Yes	1.22	1.06–1.40	0.004

^aNote: OR: Odds Ratio;

^b95% CI: Confidence Interval;

^cref: reference.