Table 1.

Demographics and Health Characteristics of Japanese aged 50+ respondents with CMCs who vaccinated and unvaccinated the PPSV23 (n = 3,232).

	50–59 (CMC+)					60–64 (CMC+)					65+ (CMC+)
	PPSV23 Vaccinated		PPSV23 Unvaccinated			PPSV23 Vaccinated		PPSV23 Unvaccinated			PPSV23 Vaccinated		PPSV23 Unvaccinated
	13	(%)	969	(%)	p value	36	(%)	1200	(%)	p value	383	(%)	631	(%)	p value
Female	3	(23.1)	429	(44.3)	0.1262	21	(58.3)	549	(45.8)	0.1356	186	(48.6)	284	(45.0)	0.2709
Regularly Consume Alcohol	11	(84.6)	340	(35.1)	0.0002	9	(25.0)	467	(38.9)	0.0909	99	(25.8)	218	(34.5)	0.0038
Regularly Smoking	8	(61.5)	231	(23.8)	0.0017	7	(19.4)	245	(20.4)	0.8866	20	(5.2)	71	(11.3)	0.0011
Exercise	9	(69.2)	228	(23.5)	0.0001	19	(52.8)	406	(33.8)	0.0184	186	(48.6)	294	(46.6)	0.5422
BMI <20	3	(23.1)	143	(14.8)	0.4023	10	(27.8)	197	(16.4)	0.0721	68	(17.8)	91	(14.4)	0.157
History of pneumonia over aged 50	3	(23.1)	46	(4.7)	0.0026	12	(33.3)	70	(5.8)	<0.0001	42	(11.0)	37	(5.9)	0.0033
Flu vaccinated	12	(92.3)	292	(30.1)	<0.0001	20	(55.6)	397	(33.1)	<0.0001	241	(62.9)	248	(39.3)	<0.0001

^※CMC+:Chronic medical conditions, visiting hospital or clinic for treatment of following diseases: Chronic heart disease, Chronic lung disease, Diabetes mellitus, Chronic liver disease, Chronic renal disease, Cancer, etc.

^※Regularly Consume Alcohol: Drinking two and more cup of sake every day, The one cup of sake (180 ml) is almost equivalent to the following amount. One bottle of beer (5% of alcohol, 500 ml), 0.6 cup of shochu (25% of alcohol, 110 ml), 1/4 bottle of wine (14% of alcohol, 180 ml), One cup of whiskey (43% of alcohol, 60 ml), 1.5 canned beer (5% of alcohol, 520 ml)

^※Regularly Smoking: Smoking every day or occasionally

^※Exercise: To exercise more than 30 minutes per time twice a week and it has been continuing for more than 1 year

^※Flu vaccinated: 2017, 2018 vaccinated

^※p value: Calculated by Chi-squared test, Statistical significance was set at p < 0.05 (2-tailed)