Research Article

The Intergenerational Effects on Birth Weight and Its Relations to Maternal Conditions, São Paulo, Brazil

Table 3

Length at birth in the lower quartile (≤47.5 cm)—Group III.

VariableChi2Spearman's RhoOROR lowerOR upper

Maternal birth weight1 <2.500 g0.7570. 0111.10.62.0
Maternal birth weight1 ≥3.500 g0−0.1543.2**1.85.7
Maternal age ≤19 years or ≥35 years0.1750.0491.40.92.4
Smoking during pregnancy20.0120.0911.71.12.6
Alcohol use during pregnancy20.619−0.0181.2**0.52.9
Illicit drug use during pregnancy20.0040.1054.31.512.6
Arterial hypertension20.713−0.0131.1**0.62.2
Diabetes mellitus20.673*0.0111.30.26.7
Urinary tract infections20.6060.0191.10.81.6
Leukorrhoea20.8750.0061.00.71.6
Others infectious diseases20.181−0.0481.6**0.83.4
Anemia20.395*−0.0401.7**0.74.5
Oligohydramnios2 or polyhydramnios20.2050.0461.70.74.2
Noncommunicable diseases20.4250.0291.20.81.9
Maternal depression during pregnancy20.262*0.0432.10.67.7
Maternal height <157 cm0.0120.0911.61.12.2
Gestational age (269–273 days)300.1342.01.42.9
Surgical cesarean section0.672−0.0151.1**0.81.6

Fisher test.
With homogenization signal, if OR <1, then consider OR = 1/OR.
(—) Cell with zero occurrences, undefined OR.
1Maternal birth weight in grams.
2Maternal habits and diseases during pregnancy.
3Gestational age in days (269–273) = gestational age varying from 38 weeks and 3 days to 39 weeks.