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. 2019 Mar 16;14:100850. doi: 10.1016/j.pmedr.2019.100850

Table 1.

Background characteristics of the hypertensive study participants by race, NHANES 2011–16a, b.

Characteristics Overall study population
(N = 16,103)
Hypertensive participants by race
Non-Hispanic White (n = 3132/6066) Non-Hispanic Blacks, (n = 2253/3665) Mexican-Americans, (n = 981/2164) Other races/ethnicities c, (n = 1885/4208) All races, (n = 8251/16,103) p-Valued
SBP, mean (SE), mmHg 122.4 (0.3) 133.0 (0.5) 136.8 (0.6) 134.8 (0.8) 134.8 (0.6) 133.9 (0.4) <0.01
DBP, mean (SE), mmHg 70.7 (0.2) 74.4 (0.4) 76.1 (0.6) 76.1 (0.7) 76.2 (0.6) 74.9 (0.3) <0.01



Age (in years)
Mean (SE) 47.6 (0.4) 57.8 (0.4) 52.8 (0.6) 49.9 (1.1) 53.6 (0.7) 56.1 (0.3) <0.001
20–44 44.7 (6797) 19.8 (587) 29.1 (493) 39.1 (229) 29.5 (414) 23.6 (1723) <0.001
45–54 18.7 (2720) 18.9 (487) 23.8 (445) 23.3 (178) 20.7 (354) 20.1 (1464)
55–64 17.3 (2798) 25.5 (593) 24.9 (634) 19.2 (271) 21.7 (480) 24.5 (1978)
≥65 19.2 (3788) 35.8 (1465) 22.2 (681) 18.4 (303) 28.0 (637) 31.8 (3086)



Gender
Male 48.2 (7811) 51.0 (1616) 46.2 (1133) 56.5 (516) 52.6 (963) 50.9 (4228) <0.001
Female 51.8 (8292) 49.0 (1516) 53.8 (1120) 43.5 (465) 47.4 (922) 49.1 (4023)



Cholesterol level (in mg/dl)
Normal (<200) 45.9 (7039) 29.7 (905) 43.5 (832) 37.8 (312) 34.8 (568) 32.6 (2617) <0.001
Borderline (200–239) 24.0 (3504) 23.0 (631) 19.7 (398) 26.8 (229) 23.8 (423) 22.9 (1681)
High (≥240) 30.0 (4734) 47.4 (1470) 36.8 (848) 35.5 (391) 41.4 (780) 44.5 (3489



High-density lipoprotein cholesterol (in mg/dl)
Normal 70.5 (10357) 67.9 (1924) 72.1 (1467) 60.9 (565) 62.8 (1096) 67.4 (5052) <0.001
Low (<40 for men & <50 for women) 29.5 (4671) 32.1 (1003) 27.9 (526) 39.1 (356) 37.2 (624) 32.6 (2509)



Chronic kidney disease
No 85.1 (12981) 76.4 (2118) 75.5 (1583) 76.9 (706) 78.2 (1408) 76.5 (5815) 0.47
Yes 14.9 (2814) 23.6 (928) 24.5 (586) 23.1 (254) 21.8 (416) 23.5 (2184)



Diabetes mellitus status
No 83.4 (12515) 75.7 (2229) 71.1 (1466) 68.7 (596) 71.2 (1270) 74.0 (5561) <0.001
Prediabetes 6.1 (950) 8.2 (238) 6.8 (144) 7.1 (70) 9.4 (160) 8.1 (612)
Diabetes 10.5 (2221) 16.1 (550) 22.1 (548) 24.2 (284) 19.4 (387) 17.9 (1769)



Body mass index (in kg/m2)
Normal/underweight (<25) 29.5 (4695) 19.5 (642) 18.4 (421) 10.4 (108) 28.5 (552) 19.8 (1723) <0.001
Overweight (25–29.9) 32.8 (5038) 34.1 (1000) 25.9 (590) 31.5 (311) 31.2 (615) 32.5 (2516)
Obese (≥30) 37.8 (6013) 46.4 (1368) 55.7 (1164) 58.1 (533) 40.2 (649) 47.7 (3714)



Number of health care visits within the past year
0 15.3 (2600) 9.3 (276) 12.1 (246) 21.6 (168) 16.7 (282) 11.4 (972) <0.001
1–3 64.8 (10264) 63.7 (1904) 67.5 (1528) 61.4 (608) 62.7 (1194) 63.9 (5234)
≥4 19.9 (3223) 27.0 (948) 20.4 (478) 17.0 (203) 20.6 (407) 24.7 (2036)



Family income-to-poverty ratio
<2 36.7 (7305) 29.1 (1331) 53.7 (1083) 64.6 (566) 46.2 (821) 36.6 (3801) 0.07
≥2 63.3 (7383) 70.9 (1609) 46.3 (925) 35.4 (291) 53.8 (836) 63.4 (3661)



10-yr CVD risk categories
Low 75.2 (9652) 53.7 (1159) 55.8 (865) 70.1 (460) 60.4 (845) 55.9 (3329) <0.001
High 24.8 (4322) 46.3 (1520) 44.2 (988) 29.9 (374) 39.3 (694) 44.1 (3576)

Abbreviations: CVD: Cardiovascular disease, DBP: Diastolic blood pressure, NHANES: National Health and Nutrition Examination Survey, SBP: Systolic blood pressure, SE: Standard error.

a

Numbers are presented as weighted percentages and unweighted numbers unless otherwise specified.

b

Numbers may not add up to total because of missing values.

c

Other races/ethnicities include non-Hispanic Asians, other Hispanics, and other races including multi-races.

d

p-Values obtained by chi-square tests (for categorical variables) or t-tests (continuous variables).