Table 1.

Participant characteristics

Characteristic		- n -	Percentage
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 HPTa	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 %

^a HPT Hypertension