The Intergenerational Effects on Birth Weight and Its Relations to Maternal Conditions, São Paulo, Brazil
Table 2
Increased birth weight analysis (≥3,500 g)—Group II.
Variable
Chi2
Spearman's Rho
OR
OR lower
OR upper
Maternal birth weight1 <2.500 g
0.026
−0.08
0.4
0.2
0.9
Maternal birth weight1 ≥3.500 g
0
0.142
0.5**
0.3
0.7
Maternal age ≤19 years or ≥35 years
0.174
0.038
0.7**
0.4
1.2
Smoking during pregnancy2
0.011
−0.091
0.5
0.3
0.9
Alcohol use during pregnancy2
0.415
−0.029
0.7
0.3
1.6
Illicit drug use during pregnancy2
0.129*
−0.06
0.2
0.03
1.6
Arterial hypertension2
0.483
0.038
0.8**
0.4
1.5
Diabetes mellitus2
0.088*
0.066
0.3**
0.06
1.2
Urinary tract infections2
0.693
−0.014
0.9
0.7
1.3
Leukorrhoea2
0.082
0.063
0.7**
0.5
1.0
Others infectious diseases2
0.231
−0.043
0.7
0.3
1.3
Anemia2
0.572
0.021
0.8**
0.4
1.7
Oligohydramnios2 or polyhydramnios2
0.695
0.038
0.8**
0.3
2.1
Noncommunicable diseases2
0.253
0.041
0.8**
0.5
1.2
Maternal depression during pregnancy2
0.070*
−0.07
—
—
—
Maternal height <157 cm
0.406
−0.030
0.9
0.6
1.2
Prepregnancy maternal BMI3 <18.5 kg/m2
0.068*
−0.069
2.70**
0.94
7.81
Prepregnancy maternal BMI3 ≥25 kg/m2
0.013
0.09
1.54
1.01
2.17
Prepregnancy maternal BMI3 ≥30 kg/m2
0
0.137
2.58
1.56
4.26
Newborn height at birth ≤47.5 cm
0*
−0.305
0.05
0.02
0.1
Gestational age (269–273 days)4
0
−0.142
0.4
0.3
0.6
Surgical cesarean section
0
0.132
0.5**
0.4
0.8
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.
3Prepregnancy maternal BMI = prepregnancy body mass index maternal in Kg/m2.
4Gestational age in days (269–273) = gestational age varying from 38 weeks and 3 days to 39 weeks.
