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Table 1 Group differences between hypertension and non-hypertension groups

From: Interaction between trouble sleeping and depression on hypertension in the NHANES 2005–2018

Variables

Total [n = 30,434 (weighted%)]

Groups

Statistics

P

Non-hypertension (n = 14,130)

Hypertension (n = 16,304)

Age, years, Mean (S.E.)

47.30 (0.24)

40.15 (0.25)

54.64 (0.27)

t = -52.95

 < 0.001

Gender, n (%)

   

χ2 = 84.39

 < 0.001

Male

15,022 (48.98)

6,430 (45.65)

8,592 (52.40)

  

Female

15,412 (51.02)

7,700 (54.35)

7,712 (47.60)

  

BMI, kg/m2, Mean (S.E.)

29.06 (0.09)

27.41 (0.10)

30.77 (0.10)

t = -30.80

 < 0.001

Race, n (%)

   

χ2 = 213.48

 < 0.001

Mexican American

4,687 (8.15)

2,558 (9.91)

2,129 (6.34)

  

Hispanic

2,747 (5.12)

1,425 (6.06)

1,322 (4.15)

  

Non-Hispanic white

13,518 (69.06)

6,135 (67.49)

7,383 (70.67)

  

Non-Hispanic black

6,490 (10.81)

2,407 (9.09)

4,083 (12.57)

  

Other

2,992 (6.86)

1,605 (7.45)

1,387 (6.26)

  

Marital status, n (%)

   

χ2 = 969.21

 < 0.001

Married and or partner

15,817 (55.81)

7,109 (53.74)

8,708 (57.94)

  

Widowed

2,363 (5.60)

429 (2.23)

1,934 (9.06)

  

Divorced or separated

4,399 (12.90)

1,657 (10.87)

2,742 (14.99)

  

Never married

7,855 (25.68)

4,935 (33.16)

2,920 (18.01)

  

Education, n (%)

   

χ2 = 55.34

 < 0.001

Less than high school

7,097 (15.48)

3,087 (14.49)

4,010 (16.49)

  

High school graduate or GED

7,085 (22.91)

3,024 (21.12)

4,061 (24.75)

  

Some college or above

1,6252 (61.61)

8,019 (64.39)

8,233 (58.76)

  

Annual family income, n (%)

   

χ2 = 54.30

 < 0.001

 < $ 20,000

23,930 (85.87)

11,537 (87.48)

12,393 (84.22)

  

 ≥ $ 20,000

6,504 (14.13)

2,593 (12.52)

3,911 (15.78)

  

Alcohol drinking, n (%)

20,969 (74.00)

10,122 (76.04)

10,847 (71.91)

χ2 = 27.60

 < 0.001

Smoking history, n (%)

13,904 (45.56)

5,849 (41.66)

8,055 (49.56)

χ2 = 93.84

 < 0.001

Diabetes, n (%)

4,033 (9.83)

722 (3.63)

3,311 (16.19)

χ2 = 812.84

 < 0.001

Stroke, n (%)

1,137 (2.78)

162 (0.91)

975 (4.71)

χ2 = 262.64

 < 0.001

Trouble sleeping, n (%)

7,845 (27.74)

2,842 (22.18)

5,003 (33.45)

χ2 = 191.64

 < 0.001

Depression, n (%)

2,641 (7.54)

1,063 (6.45)

1,578 (8.65)

χ2 = 31.91

 < 0.001

Sleep duration, hours, Mean (S.E.)

7.11 (0.01)

7.12 (0.02)

7.09 (0.02)

t = 1.74

0.085

  1. BMI body mass index, GED general educational development