Urbanization, ethnicity and cardiovascular risk in a population in transition in Nakuru, Kenya: a population-based survey

Table 6 Clustering of risk markers by rural-urban status and ethnicity

No. of risk markers*	Total group			Urban			Rural			Kikuyu			Kalenjin
	Exp**	Obs	O:E	Exp**	Obs	O:E	Exp**	Obs	O:E	Exp**	Obs	O:E	Exp**	Obs	O:E
0	32.0	37.0	116	24.1	30.0	124	36.3	40.4	111	28.3	33.1	117	44.8	47.0	105
1	47.7	40.1	84	47.4	38.6	81	47.1	40.9	87	47.6	40.3	85	44.6	40.8	92
2	17.9	18.5	103	23.8	24.9	104	15.0	15.3	102	20.8	21.3	102	9.9	10.7	108
3-4	2.3	4.5	193	4.4	6.5	148	1.5	3.5	228	3.2	5.2	165	0.7	1.6	233
Χ² (3 df)	71.6 P < 0.0001			27.0 p < 0.0001			39.3 p < 0.0001			40.3 p < 0.0001			6.2 p = 0.10