Table 1 Demographic and behavioural risk factors across sex and hypertensive status

Age yrs

18-24

28.3 (578)

27.7 (291)

28.8 (287)

0.051

25-34

31.8 (651)

30.1 (316)

33.7 (335)

35-44

22.1 (452)

22.2 (233)

22.0 (219)

45-54

12.5 (256)

13.7 (144)

11.3 (112)

55-64

3.8 (78)

4.8 (50)

2.8 (28)

65-74

1.2 (25)

1.4 (15)

1.0 (10)

≥ 75

0.2 (5)

0.1 (1)

0.4 (4)

18-90

100 (2045)

51.0 (1050)

48.4 (995)

Years in school, mean (SD)

9.3 (3.3)

9.8 (3.2)

8.7 (3.2)

0.000

Tobacco smoking

Current % (n)

13.1 (269)

22 (231)

3.8 (38)

0.000

17.8 (46)

12.5 (223)

0.018

Smoking daily % (n)

84.8 (228)

89.2 (206)

57.9 (22)

0.000

82.6 (38)

85.2 (190)

0.656

Age started yrs mean (SD)

19.7 (5.5)

19.9 (5.7)

18.6 (3.4)

0.304

21.5 (6.8)

19.4 (5.2)

0.037

Age started range yrs

10-45

10-45

10-24

-

-

-

-

Duration years mean (SD)

16.5 (10)

16.4 (10.2)

17.3 (9.1)

0.696

21.4 (11.3)

15.4 (9.5)

0.001

Pack years median (Q1-Q3)

6 (2.5-10.9)

6 (2.4-10.5)

7.5 (4.4-12.0)

0.303

8.3 (3.9-13.8)

6.0 (2.4-10.5)

0.058

Alcohol consumption

Ever consumed

30.1 (616)

43.2 (454)

16.3(162)

0.000

33.3 (86)

29.7 (529)

0.233

In past 12 months

81.0 (499)

89.6 (407)

56.8 (92)

0.000

76.7 (66)

81.7 (432)

0.281

In past 30 days

76.8 (383)

79.1 (322)

66.3 (61)

0.009

75.8 (50)

77.1 (333)

0.812

Frequency in past 12 months

Daily

19.1 (95)

22.1 (90)

5.5 (5)

0.008

25.8 (17)

18.1 (78)

0.180

5-6 days/week

14.3 (71)

13.8 (56)

16.5 (15)

7.6 (5)

15.3 (66)

1-4 days/week

28.7 (143)

27.0 (110)

36.3 (33)

28.8 (19)

28.7 (124)

1-3 days/week

23.3 (116)

22.9 (93)

25.3 (23)

18.2 (12)

24.1 (104)

Average number of drinks median (Q1-Q3)

4 (3–6)

4 (3–6)

3 (2–5)

0.087

4 (4–5)

4 (3–6)

0.272

Largest number of drinks/sitting

6 (4.5-9)

6 (5–9)

6 (4–7)

0.026

6 (3–8.5)

6 (5–9)

0.178

Physical Activity

Work Vigorous

29.6 (606)

39.1 (411)

19.6 (195)

0.000

24.4 (63)

30.5 (543)

0.050

Days/week median (Q1-Q3)

6 (5–7)

6 (5–7)

6 (3–7)

0.537

6 (5–7)

6 (5–7)

0.116

Hours/day median (Q1-Q3)

8 (3–9)

8 (4–9)

6 (2–8)

0.000

8 (3–9)

8 (4–9)

0.877

Work moderate

46.1 (943)

39.1 (411)

53.4 (532)

0.000

43.0 (111)

46.6 (830)

0.295

Days/week median (Q1-Q3)

6 (5–7)

6 (4–7)

7 (5–7)

0.000

6 (5–7)

6 (5–7)

0.420

Hours/day median (Q1-Q3)

6 (3–8)

6 (3–8)

5 (2.1-8.0)

0.000

8 (3–10)

6 (3–8)

0.016

Travel (walk/cycle)

77.4 (1583)

80.3 (843)

74.3 (740)

0.001

70.2 (181)

78.5 (1399)

0.003

Days/week median (Q1-Q3)

6 (5–7)

6 (5–7)

6 (4–7)

0.001

6 (5–7)

6 (5–7)

0.148

Hours/day median (Q1-Q3)

1 (0.75-2)

1.3 (0.8-2.0)

1 (0.7-2.0)

0.023

1.3 (0.5-3)

1.0 (0.8-2)

0.480

Recreational vigorous

15.2 (311)

21.7 (228)

8.3 (83)

0.000

12.0 (31)

15.7 (280)

0.127

Days/week median (Q1-Q3)

2.0 (1–3)

2.0 (1.0-3.0)

2 (1–3)

0.737

2 (1–5)

2 (1–3)

0.603

Hours/day median (Q1-Q3)

2.0 (0.8-2)

2.0 (1.0-2.0)

1.4 (1–2)

0.142

1.2 (0.5-2)

1.5 (1–2)

0.165

Recreational moderate

16.4 (336)

16.9 (177)

16 (159)

0.586

10.5 (27)

17.3 (309)

0.006

Days/week median (Q1-Q3)

3 (1–6)

3.0 (1.0-6.0)

3 (1–6)

0.986

4 (2–7)

3 (1–6)

0.214

Hours/day median (Q1-Q3)

1 (0.7-2)

1.5 (0.8-2.0)

1 (0.7-2)

0.058

2 (0.5-2)

1 (0.8-2)

0.776

Time sitting/reclining hrs mean(range)⁺

4 (2–6)

4.0 (2–6)

4 (2–7)

0.004

5 (2.5-8.0)

4 (2–6)

0.001

METS*, median (Q1-Q3)

10800 (3840–21120)

13474 (5040–24960)

8400 (3168–15630)

0.000

11520 (3840–21110)

10630 (3840–21120)

0.998