Table 1. Demographic characteristics of each group.

Mean (SD) or percentage reported.

	Vaccinated Group (n = 88519)	Control Group (n = 88519)
Prescribed amoxicillin in prior period	7.5%	4.0%
Prescribed amoxicillin in study period	7.1%	4.4%
Dies in study period	1.3%	1.2%
Age Mean(SD)	73.3 (6.7)	73.3 (6.6)
Gender (% male)	44.6%	45.7%
Ethnicity White	74.4%	74.7%
Unknown	24.1%	23.8%
Non-White	1.6%	1.5%
Smoking Current	47.6%	47.4%
Ex-smoker	10.0%	10.4%
Non-smoker	42.1%	42.1%
More than 12 GP consultations	9.6%	8.7%
Asthma	13.8%	13.1%
Mental Health	0.9%	0.8%
Epilepsy	3.1%	3.0%
Thyroid	5.0%	4.9%
Hypertension	28.6%	28.1%
Stroke	5.3%	5.1%
Chronic Heart Disease	11.9%	11.3%
COPD	2.7%	2.5%
Heart Failure	2.8%	2.6%
Cancer	5.2%	5.0%
Depression	9.6%	9.4%
Diabetes	1.8%	1.6%
Arterial Fibrillation	3.1%	2.9%
Dementia	0.6%	0.6%