Table 1 Participant characteristics

Population group

Rural residents

165

13.0 %

Peri-urban residents

297

23.4 %

School teachers, Tanzania

167

13.2 %

Nurses, Nigeria

163

12.8 %

School teachers, South Africa

477

37.6 %

Sex:

Males

449

35.4 %

Females

820

64.6 %

Age in years:

18–29

231

18.2 %

30–39

287

22.6 %

40–49

384

30.3 %

≥50

314

24.7 %

Not stated

53

4.2 %

Level of education:

None

49

3.9 %

Primary not completed (1–6 yrs)

142

11.2 %

Primary completed (7 yrs)

87

6.9 %

Secondary/High Sch (8–13 yrs)

406

31.9 %

University

516

40.6 %

Not stated

71

5.6 %

Marital status:

Never married

436

34.4 %

Married/Co-habiting

655

51.6 %

Separated/divorced

100

7.9 %

Other

51

4.0 %

Not stated

27

2.1 %

Family history of HPT^a

No

869

68.5 %

Yes

400

31.5 %

Body mass index (kg/m²)

<18.5

23

1.8 %

18.5–24.9

386

30.4 %

25.0–29.9

365

28.8 %

≥30.0

407

32.1 %

Not stated

71

5.6 %

Tobacco use type:

Never

842

66.4 %

Stopped

104

8.2 %

Current user

121

9.5 %

Not stated

202

15.9 %