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Table 1 Socio-demographic and metabolic characteristics of all respondents according to Hypertension status in the NHANNES Data

From: Passive smoking exposure and the risk of hypertension among non-smoking adults: the 2015–2016 NHANES data

Characteristics

All (N = 3067)

<  60 years (n = 2213)

≥60 years (n = 854)

Hypertension Status

Hypertension Status

Hypertension Status

Combined

No

Yes

P

Combined

No

Yes

P

Combined

No

Yes

P

Sex

Women

1961(63.3)

1241(66.7)

720(33.3)

< 0.0001

1386(61.2)

1089(81.1)

297(18.9)

< 0.0001

575(69.5)

152(29.2)

423(70.8)

< 0.0001

Men

1006(36.7)

707(68.5)

399(31.5)

827(38.8)

619(77.1)

208(22.9)

 

279(30.5)

88(36.2)

191(63.8)

Age (years)

46.5 ± 17.9

40.2 ± 15.7

59.6 ± 15.0

< 0.0001

38.3 ± 12.2

36.2 ± 11.8

46.3 ± 9.9

< 0.0001

70.9 ± 6.5

70.1 ± 6.2

71.3 ± 6.6

< 0.0001

  <  60 years

2213(74.7)

1708(79.6)

505(20.4)

< 0.0001

        

  ≥ 60 years

854(36.7)

240(31.3)

614(68.7)

        

Race

White only

764(57.1)

479(66.9)

285(33.1)

< 0.0001

451(51.6)

378(82.9)

73(17.1)

< 0.0001

313(73.4)

101(33.6)

212(66.4)

< 0.0001

Hispanics only

1067(18.7)

673(71.9)

394(28.1)

780(21.7)

605(79.6)

175(20.4)

287(9.8)

68(21.7)

219(78.3)

Black only

633(12.5)

360(60.5)

273(39.5)

496(14.0)

332(67.9)

164(32.1)

137(7.9)

28(21.6)

109(78.4)

 Others

603(11.7)

436(69.8)

167(30.2)

486(12.7)

393(78.7)

93(21.3)

117(8.9)

43(32.2)

74(67.8)

Education

  < High School

2886(96.6)

1779(66.4)

1107(33.6)

< 0.0001

2035(95.4)

1539(78.8)

496(21.2)

< 0.0001

851(99.9)

240(31.4)

611(68.6)

< 0.0001

  ≥ High School

178(3.4)

166(95.3)

12(4.7)

175(4.6)

166(95.9)

09(4.1)

03(0.1)

00(0.0)

03(100.0)

Employed

No

1255(35.7)

646(54.2)

609(45.8)

< 0.0001

622(23.6)

482(79.9)

140(20.1)

< 0.0001

633(71.6)

164(67.1)

469(70.9)

< 0.0001

Yes

1804(64.3)

1295(74.6)

509(25.4)

1585(76.4)

1221(79.4)

364(20.6)

219(28.4)

74(36.0)

145(64.0)

Incomea

  ≤ $24,999

740(17.0)

402(57.8)

338(42.2)

< 0.0001

444(14.4)

335(78.6)

109(21.4)

< 0.0001

296(25.0)

67(21.2)

229(78.8)

< 0.0001

  > $24,999

2073(83.0)

1390(69.9)

638(30.1)

1604(85.6)

1245(79.7)

359(20.3)

469(75.0)

145(35.5)

324(64.5)

Marital Status

Never married

520(17.8)

408(83.0)

112(17.0)

< 0.0001

472(22.5)

398(87.1)

74(12.9)

< 0.0001

48(4.7)

10(27.8)

38(72.2)

< 0.0001

Marriedb

1805(66.0)

1150(67.9)

655(32.1)

1343(68.8)

999(77.6)

344(22.4)

462(58.1)

151(35.6)

311(64.4)

Widowedc

563(16.2)

221(41.8)

342(58.2)

219(8.7)

142(67.0)

77(33.0)

344(37.2)

79(25.2)

265(74.8)

Alcohol use

No

847(25.2)

512(65.9)

335(34.1)

< 0.0001

555(23.9)

438(81.9)

117(18.1)

< 0.0001

292(28.9)

74(28.6)

218(71.4)

< 0.0001

Yes

1773(74.8)

1104(66.5)

669(33.5)

1303(76.1)

978(78.1)

325(21.9)

470(71.1)

126(31.8)

344(68.2)

BMI (kg/m2)

28.9 ± 7.1

27.6 ± 6.4

31.5 ± 7.7

< 0.0001

28.7 ± 7.0

27.7 ± 6.5

32.5 ± 7.6

< 0.0001

29.5 ± 7.2

27.2 ± 5.3

30.5 ± 7.7

 

 Normal Weight

882(32.2)

691(81.6)

191(18.4)

< 0.0001

691(34.2)

618(92.0)

73(8.0)

< 0.0001

191(26.3)

73(42.0)

118(58.0)

< 0.0001

 Overweight

914(32.0)

581(66.9)

333(33.1)

631(31.1)

505(79.1)

126(20.9)

283(34.5)

76(34.2)

207(65.8)

 Obese

1104(35.8)

559(55.1)

545(44.9)

738(34.7)

494(67.7)

289(32.3)

321(39.2)

65(22.3)

256(77.7)

Hypertension Awareness

No

2106(72.0)

1984(93.5)

158(6.5)

< 0.0001

1797(83.5)

1708(95.4)

89(4.6)

< 0.0001

309(38.4)

240(81.7)

69(18.3)

< 0.0001

Yes

960(28.0)

00(0.0)

960(100.0)

416(16.5)

00(0.0)

416(100.0)

544(61.6)

00(0.0)

544(100.0)

SBP (mmHg)

122.4 ± 17.2

115.4 ± 10.7

136.4 ± 19.1

< 0.0001

118.4 ± 14.4

114.7 ± 10.5

132.7 ± 17.9

< 0.0001

133.8 ± 19.4

120.9 ± 11.1

139.7 ± 19.5

< 0.0001

DBP (mmHg)

69.8 ± 11.1

68.7 ± 9.0

72.0 ± 14.1

< 0.0001

71.1 ± 9.9

69.2 ± 8.7

78.2 ± 11.0

< 0.0001

66.1 ± 13.2

64.8 ± 10.3

66.7 ± 14.4

< 0.0001

PSE

No

2265(76.3)

1412(67.1)

853(32.9)

< 0.0001

1574(74.8)

1214(80.3)

360(19.7)

< 0.0001

691(80.9)

198(31.2)

493(32.4)

< 0.0001

Yes

795(23.7)

532(68.2)

263(31.8)

636(25.2)

491(77.4)

145(22.6)

159(19.1)

41(68.8)

118(67.6)

  1. a - annual household income, b - married/living with partner, c - widowed/divorced/separated
  2. Continuous variables are presented as mean ± standard deviation and compared using the t-test
  3. Categorical variables are presented as n(%) and compared using the x2 test