Table 2.

Knowledge scores for control and intervention groups at exit.

Question	Control score	Intervention score	P value
Condition questions overall score (observed range)	9.71 (5-13)	9.6 (6-15)	.77
-What is high blood pressure? (% correctly answered)	59%	49%	.06
-What is normal blood pressure?	59%	73%	.31
-What puts you at risk for developing high blood pressure? (score)	2.897	2.744	.45
-Does everybody who has high blood pressure have symptoms?	56%	62%	.20
-What complications may you prevent by managing your high blood pressure?	1.176	1.103	.67
-Can you stop taking your medication without asking your doctor?	97%	92%	.38
-Can high blood pressure be cured?	87%	87%	.79
-When you leave Cape Town, which one of the following is right?	81%	94%	.03
-If you have high blood pressure, contact the clinic if you have which of the following symptoms?	1.25	1.19	.68
Behavior questions overall score (observed range)	7.78 (5-10)	8.05 (6-10)	.15
-Can you reduce your blood pressure?	91%	94%	.89
-Is smoking good or bad if you have high blood pressure?	99%	99%	>.99
-Is keeping a normal weight important if you have high blood pressure?	99%	96%	.62
-How much should you drink, if at all, if you have high blood pressure?	51%	56%	.64
-How much should you exercise 3 days a week?	29%	28%	.12
-What are the best ways to manage your stress?	1.221	1.372	.14
-Do eating habits affect blood pressure?	74%	85%	.07
-Is salt good or bad for a person with high blood pressure?	18%	12%	.54
-What should you cut down on if you have high blood pressure?	99%	99%	>.99
-Are vegetables and fruit good for a person with high blood pressure?	99%	100%	.22
Overall score (observed range)	17.5 (11-23)	17.7 (13-23)	.69