Maternal Alcohol Consumption during Pregnancy and Early Age Leukemia Risk in Brazil
Table 1
Distribution of selected maternal and child demography of early age leukemia and controls, Brazil, 1999–2007*.
Cases** (%)
Controls (%)
value
Age
≤11 mo.
116 (46.0)
255 (60.2)
<0.01
12–24 mo.
136 (54.0)
168 (39.8)
Gender
Males
130 (51.6)
226 (53.4)
0.643
Females
122 (48.4)
197 (46.6)
Birth weight
<4,000 g
234 (92.8)
393 (93.0)
0.470
>4,000 g
16 (6.2)
21 (5.0)
Missing
2 (0.8)
9 (2.0)
Ethnicity
Whites
170 (67.5)
153 (36.2)
<0.01
Non-whites
77 (30.5)
256 (60.5)
Missing
5 (2.0)
14 (3.3)
Place of birth
Northeast
52 (20.7)
101 (24.0)
0.552
Midwest
18 (7.1)
31 (7.3)
Southeast
155 (61.5)
238 (56.2)
South
27 (10.7)
53 (12.5)
Maternal agea
<18 years
8 (3.2)
60 (14.2)
<0.01
18–24 years
91 (36.1)
182 (43.0)
25–34 years
117 (46.4)
145 (34.2)
>35 years
36 (14.3)
36 (8.5)
Maternal education
<8 years
81 (32.1)
206 (48.6)
<0.01
>8 years
146 (57.9)
209 (49.4)
Total
252 (100)
423 (100)
—
aMaternal age at child delivery; , number of cases; mo. = months. *Data presented in Ferreira et al., 2012 [30]; **including acute lymphoblastic leukemia, , and acute myeloid leukemia, .