Table 1

Summary statistics on variables in the HRS and ELSA samples

	England			USA
	N	Per cent	95% CI	N	Per cent	95% CI
Hypertension care outcome
Hypertension controlled	1849	44	42 to 45	2381	51	49 to 53
Hypertension uncontrolled	1428	33	31 to 34	1563	33	32 to 35
Hypertension undiagnosed	1030	24	22 to 25	642	16	14 to 17
Gender
Males	2012	47	46 to 49	1887	47	45 to 49
Females	2325	53	51 to 54	2650	53	51 to 55
Age†
50–54	272	8	7 to 9	148	2	1 to 3
55–59	612	18	16 to 19	548	22	21 to 24
60–64	900	17	16 to 18	558	20	18 to 22
65–69	682	13	12 to 14	875	16	15 to 17
70–74	764	14	13 to 15	874	13	11 to 13
75–79	527	12	11 to 14	705	11	10 to 12
80–84	326	9	8 to 11	441	9	8 to 10
85	254	8	7 to 10	388	7	7 to 8
BMI
Underweight	21	0.01	0.003 to 0.009	47	0.009	0.006 to 0.012
Normal	817	20	18 to 21	1121	24	22 to 25
Overweight	1716	42	40 to 44	1730	39	37 to 41
Obese	1570	38	36 to 40	1591	37	35 to 39
Ethnicity
White	4202	97	96 to 98	3592	84	82 to 85
Non White	102	3	2 to 4	945	16	15 to 18
Wealth quintiles
Least well off	767	21	20 to 23	894	19	18 to 21
Second least well off	886	22	20 to 23	1015	22	21 to 24
Middle wealth quintile	857	19	18 to 21	916	20	18 to 21
Second most well off	890	20	19 to 22	876	19	18 to 21
Most well off	846	17	16 to 19	836	19	18 to 21
Health Insurance
Private insurance	NA			2558	63	61 to 64
Government insurance	NA			1778	32	30 to 34
No insurance	NA			190	6	5 to 7
Blood pressure test
Took a test in the last year	3883	88	87 to 89	NA
Did not take a test in the last year	500	12	11 to 13	NA

All percentages reported in this table are weighted using appropriate survey weights.
BMI, body mass index; ELSA, English Longitudinal Study of Ageing; HRS, Health and Retirement Survey; NA, not applicable.