Table 3.

Distribution of findings from biomedical screening

Variable	Levels	n	%	95% CI
Risk Factors
Blood Pressure
	Normal (< 140/90 mm/Hg)	5,580	72.8%	71.8-73.8
	Elevated (140/90-153/103 mm/Hg)	1,301	17.0%	16.1-17.8
	High (≥ 154/104 mm/Hg)	767	10.0%	9.3-10.7
BMI
	Underweight (< 18.5)	476	6.2%	5.7-6.7
	Normal (18.5-24.9)	4,160	54.3%	53.1-55.4
	Overweight (25-29.9)	1,851	24.1%	23.2-25.1
	Obese (≥ 30)	1,146	14.9%	14.1-15.7
Waist Circumference
	Normal	6,195	80.8%	79.9-81.7
	Above limit	1,435	18.7%	17.8-19.6
Smoking behaviour
	Smokes	1,346	17.6%	16.7-18.4
	Never smoked	6,186	80.7%	79.8-81.6
Conditions and diseases
Hypertension
	No	6,171	80.5%	79.6-81.4
	Yes	1,277	16.7%	15.8-17.5
Diabetes
	No	6,788	88.5%	87.8-89.3
	Yes	119	1.6%	1.3-1.8
Haemoglobin
	Normal	5,654	73.8%	72.8-74.7
	Anaemia	479	6.2%	5.7-6.8
HIV
	Positive	694	9.1%	8.4-9.7
	Negative	6,057	79.0%	78.1-80.0
Hepatitis B
	Positive	524	6.8%	6.3-7.4
	Negative	5,621	73.3%	72.3-74.3
Syphilis
	Positive	88	1.1%	0.9-1.4
	Negative	6,074	79.2%	78.3-80.1