Temporal trends (1977-2007) and ethnic inequity in child mortality in rural villages of southern Guinea Bissau

BMC Public Health

Table 6 Simple Cox regression models with robust standard error to account for clustering of women in villages and more than one child per woman

	n	HR	95% CI		p*
Birth period	32215				< 0.0001
1977 -1986	4235	1	-	-
1987 -1996	9891	0.78	0.73	0.85
1997 -2001	7576	0.80	0.73	0.88
2002 -2007	10513	0.56	0.51	0.62
Ethnicity	32211				0.008
Balanta	6059	1	-	-
Beafada	11796	0.89	0.81	0.99
Fula	5491	0.93	0.81	1.05
other	8865	0.83	0.75	0.93
Has co-wife vs. not	32205
no	15266	1	-	-
yes	16939	1.02	0.96	1.08	0.5
Number of co-wives	32151				0.09
none	15259	1	-	-
1	11010	0.99	0.92	1.06
2+	5882	1.08	1.00	1.18
distance to HC (for 1 hour increase)	32215	1.02	1.00	1.05	0.04

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