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. 2014 Jan 8;9(1):e83705. doi: 10.1371/journal.pone.0083705

Table 1. Risk factors and characteristics in hypertensive patients aged greater than 50 years in England and the United States.

England United States
Years of education
Low Medium High Total Low Medium High Total
Age 50 to 64 years
N hypertensive¤ 451 63 212 726 340 164 164 668
Prevalence, % (SE) 35.9 (2.2) 30.2 (3.5) 30.1 (2.2) 33.4 (1.8) 47.3 (2.4) 43 (2.9) 33.4 (2.6) 41.7 (1.7)
Sex (% Female, SE)¤ 54.0 (2.4) 39.9 (6.1) 40.0 (3.3) 49.3 (1.9) 48.5 (3.8) 38.1 (5.1) 35.6 (5.3) 42.8 (2.7)
Age, mean (SE)¤ 60.3 (0.1) 59.7 (0.3) 59.9 (0.2) 60.1 (0.1) 59.2 (0.2) 59.1 (0.3) 59.2 (0.3) 59.2 (0.2)
Current smoker, % (SE) 20.5 (2.0) 12.6 (4.4) 8.2 (2.2) 16.7 (1.5) 25.0 (2.7) 19.3 (3.5) 11.6 (3.0) 20.0 (1.8)
BMI mean (SE) 30.6 (0.3) 29.9 (0.7) 29.3 (0.3) 30.2 (0.2) 31.5 (0.5) 31.9 (0.7) 30.7 (0.7) 31.4 (0.3)
>1 Vascular Co Morb, % (SE) 17.3 (1.8) 20.5 (5.2) 12.1 (2.2) 16.2 (1.4) 38.4 (3.7) 27.9 (4.9) 20.4 (4.8) 31.4 (2.5)
Insurance coverage, % (SE) 86.0 (2.6) 94.2 (2.4) 96.0 (2.5) 90.5 (1.6)
Age65 years
N hypertensive¤ 1195 68 329 1592 1344 416 427 2187
Prevalence, % (SE) 55.0 (1.1) 46.1 (4.1) 48.4 (1.9) 53.4 (0.9) 65.2 (1.2) 61.7 (2.1) 58.9 (2.0) 63.1 (0.9)
Sex (% Female, SE)¤ 61.3 (1.4) 43.3 (6.0) 39.3 (2.7) 57.2 (1.3) 54.3 (1.9) 51.6 (3.4) 33.3 (3.1) 49.7 (1.5)
Age, mean (SE)¤ 76.6 (0.2) 75.3 (1.0) 74.3 (0. 5) 76.2 (0.2) 74.8 (0.3) 73.7 (0.5) 74.0 (0. 5) 74.4 (0.2)
Current smoker, % (SE) 10.3 (0.9) 4.7 (2.7) 5.2 (1.2) 9.3 (0.8) 11.1 (0.9) 9.6 (1.8) 5.0 (1.2) 9.6 (0.7)
BMI mean (SE) 28.9 (0.2) 29.2 (0.8) 28.2 (0.3) 28.8 (0.1) 29.8 (0.2) 29.8 (0.5) 29.2 (0.3) 29.7 (0.2)
>1 Vascular Co Morb, % (SE) 27.5 (1.3) 33.4 (5.7) 24.9 (2.4) 27.3 (1.1) 41.1 (1.9) 35.0 (3.2) 31.6 (3.1) 38.0 (1.4)
Income
Low Medium High Total Low Medium High Total
Age 50 to 64 years
N hypertensive¤ 184 250 292 726 161 196 311 668
Prevalence, % (SE) 37.7 (2.8) 35.2 (2.5) 30.1 (2.0) 33.4 (1.8) 47.8 (3.4) 45.2 (3.0) 38.1 (2.1) 41.7 (1.7)
Sex (% Female, SE)¤ 51.6 (3.8) 49.7 (3.2) 47.2 (2.9) 49.3 (1.9) 53.1 (5.5) 47.1 (5.1) 34.5 (3.7) 42.8 (2.7)
Age, mean (SE)¤ 60.1 (0.2) 60.4 (0.2) 60.0 (0.2) 60.1 (0.1) 59.0 (0.3) 59.2 (0.3) 59.3 (0.2) 59.2 (0.2)
Current smoker, % (SE) 23.7 (3.3) 18.4 (2.6) 10.1 (1.9) 16.7 (1.5) 29.0 (4.1) 24.0 (3.5) 13.6 (2.2) 20.0 (1.8)
BMI mean (SE) 31.2 (0.5) 30.2 (0.4) 29.6 (0.3) 30.2 (0.2) 32.3 (0.7) 31.6 (0.7) 30.9 (0.5) 31.4 (0.3)
>1 Vascular Co Morb, % (SE) 23.2 (3.2) 16.9 (2.4) 10.5 (1.8) 16.2 (1.4) 53.3 (5.4) 24.0 (4.4) 23.7 (3.4) 31.4 (2.5)
Insurance coverage, % (SE) 75.3 (4.7) 94.0 (2.2) 96.8 (1.4) 90.5 (1.6)
Age65 years
N hypertensive¤ 626 633 333 1592 762 856 569 2187
Prevalence, % (SE) 54.8 (1.5) 54.3 (1.5) 49.0 (1.9) 53.4 (0.9) 68.5 (1.6) 63.2 (1.4) 57.2 (1.7) 63.1 (0.9)
Sex (% Female, SE)¤ 64.8 (1.9) 53.6 (2.0) 47.1 (2.8) 57.2 (1.3) 55.4 (2.6) 50.3 (2.3) 41.6 (2.8) 49.7 (1.5)
Age, mean (SE)¤ 77.5 (0.3) 75.9 (0.3) 74.0 (0.4) 76.2 (0.2) 74.9 (0.4) 74.3 (0.3) 73.9 (0.4) 74.4 (0.2)
Current smoker, % (SE) 10.1 (1.2) 9.9 (1.2) 6.0 (1.3) 9.3 (0.8) 12.9 (1.4) 9.5 (1.1) 5.3 (1.0) 9.6 (0.7)
BMI mean (SE) 28.6 (0.2) 28.9 (0.2) 29.0 (0.3) 28.8 (0.1) 29.1 (0.3) 30.1 (0.3) 29.6 (0.3) 29.7 (0.2)
>1 Vascular Co Morb, % (SE) 26.7 (1.8) 28.5 (1.8) 26.1 (2.5) 27.3 (1.1) 47.4 (2.6) 36.0 (2.2) 29.4 (2.6) 38.0 (1.4)
Wealth
Low Medium High Total Low Medium High Total
Age 50 to 64 years
N hypertensive¤ 243 224 259 726 237 225 206 668
Prevalence, % (SE) 43.3 (2.7) 31.0 (2.3) 28.1 (2.1) 33.4 (1.8) 53.1 (2.9) 42.2 (2.6) 32.1 (2.4) 41.7 (1.7)
Sex (% Female, SE)¤ 48.2 (3.2) 53.8 (3.4) 46.2 (3.2) 49.3 (1.9) 48.1 (4.5) 41.7 (4.7) 37.2 (4.6) 42.8 (2.7)
Age, mean (SE)¤ 60.1 (0.2) 60.2 (0.2) 60.1 (0.2) 60.1 (0.1) 58.9 (0.3) 59.1 (0.3) 59.6 (0.3) 59.2 (0.2)
Current smoker, % (SE) 27.3 (2.9) 13.9 (2.4) 7.5 (1.8) 16.7 (1.5) 30.0 (3.4) 18.8 (3.0) 10.1 (2.4) 20.0 (1.8)
BMI mean (SE) 31.4 (0.4) 30.0 (0.3) 29.2 (0.3) 30.2 (0.2) 32.1 (0.6) 31.8 (0.5) 30.3 (0.5) 31.4 (0.3)
>1 Vascular Co Morb, % (SE) 24.4 (2.8) 13.1 (2.2) 10.0 (1.9) 16.2 (1.4) 44.9 (4.4) 23.6 (4.1) 22.6 (4.2) 31.4 (2.5)
Insurance coverage, % (SE) 83.5 (3.3) 91.9 (2.6) 97.7 (1.6) 90.5 (1.6)
Age65 years
N hypertensive¤ 513 594 485 1592 586 778 823 2187
Prevalence, % (SE) 58.4 (1.7) 54.1 (1.5) 47.4 (1.6) 53.4 (0.9) 67.8 (1.8) 65.2 (1.5) 58.7 (1.4) 63.1 (0.9)
Sex (% Female, SE)¤ 62.6 (2.2) 57.1 (2.0) 50.0 (2.3) 57.2 (1.3) 61.1 (2.8) 47.6 (2.5) 43.4 (2.3) 49.7 (1.5)
Age, mean (SE)¤ 77.2 (0.4) 76.1 (0.4) 75.1 (0.4) 76.2 (0.2) 74.5 (0.4) 74.3 (0.4) 74.4 (0.3) 74.4 (0.2)
Current smoker, % (SE) 15.3 (1.6) 6.5 (1.0) 5.1 (1.1) 9.3 (0.8) 14.8 (1.6) 9.8 (1.2) 5.7 (1.0) 9.6 (0.7)
BMI mean (SE) 29.1 (0.2) 29.0 (0.2) 28.0 (0.2) 28.8 (0.1) 29.4 (0.4) 29.9 (0.3) 29.6 (0.3) 29.7 (0.2)
>1 Vascular Co Morb, % (SE) 34.1 (2.1) 26.0 (1.8) 19.8 (1.9) 27.3 (1.1) 47.2 (2.9) 38.7 (2.5) 30.9 (2.2) 38.0 (1.4)

BMI  =  Body Mass Index; BP = Blood Pressure; SE = standard error; Co Morb  =  co-morbidity; Age controlled to 57 in former age group and 75 in latter.

Not tested for statistical significance controlling for age and sex.

†p<0.05.

‡p<0.01 testing the English against the US, controlling for age and sex.