Table 2.

Cumulative incidence of mortality (per 1 000) according to demographic and socioeconomic variables, condition at birth and breastfeeding period. Pelotas, Southern Brazil, 1982-2006.

Variable	Death during Infancy	Death between 1-4 years	Death between 5-14 years	Death between 15-24 years
Sex	p=0.29*	p=0.99*	p=0.53*	p=0.04*
Male	38.9	5.4	4.8	7.7
Female	33.4	5.4	3.2	2.8
Mother's skin color	p<0.001*	p=0.10*	p=0.51*	p=0.04*
White	32.2	4.5	3.7	4.2
Black or Mixed	55.7	9.4	6.0	10.9
Mother's level of schooling (years)	p<0.001**	p=0.001**	p=0.04*	p=0.41**
0 – 4	53.1	10.3	1.3	6.0
5 – 8	35.4	4.0	6.5	6.1
≥ 9	16.1	1.5	3.5	3.5
Family income at birth	p<0.001**	p=0.03**	p=0.93*	p=0.02**
1st tertile	61.6	8.7	4.0	9.4
2nd tertile	30.8	4.3	3.7	3.7
3rd tertile	16.7	3.3	4.5	3.3
Weight at birth (g) – 3 groups	p<0.001**	p=0.02**	p=0.39*	p=0.86**
< 2500	207.9	12.7	0.0	6.0
2500 – 2999	35.2	7.1	5.4	5.5
≥ 3000	13.1	4.0	4.0	5.3
Height-for-age at 2 years (Z scores)		p=0.001**	p=0.12*	p=0.72*
1st tertile		73	3.5	5.0
2nd tertile		1.8	2.1	6.4
3rd tertile		0.6	6.9	4.2
Weight-for-height at 2 years of age (Z scores)		p=0.002**	p=0.80*	p=0.73**
1st tertile		6.7	4.3	5.7
2nd tertile		2.5	5.0	5.0
3rd tertile		0.6	3.4	4.8
Height-for-age at 4 years of age (Z scores)			p=0.67*	p=0.12**
1st tertile			4.3	7.3
2nd tertile			2.9	7.2
3rd tertile			4.9	2.8
Weight-for-height at 4 years of age (Z scores)			p=0.58**	p=0.61**
1st tertile			2.9	2.9
2nd tertile			5.0	5.0
3rd tertile			4.2	4.2
Total	36.3	5.4	4.1	5.4

^*Categorical

^**Test for linear trend