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Table 2 Characterization of adolescent and adult mothers and their newborns regarding obstetric and anthropometric variables

From: Composition of fatty acids in the maternal and umbilical cord plasma of adolescent and adult mothers: relationship with anthropometric parameters of newborn

MATERNAL ANTHROPOMETRIC VARIABLES Adolescents Adults
  n (%) CI 95% n (%) CI 95%
Pre-gestational nutritional status     
Underweight 3 (7.7) [1.6 – 20.9] 1 (2.5) [0.1 – 13.2]
Eutrophic 31 (79.5) [63.5 – 90.7] 30 (75) [58.8 – 87.3]
Overweight 4 (10.2) [2.9 – 24.2] 8 (20) [9.0 – 35.6]
Obesity 1 (2.6) [0.1 – 13.5] 1 (2.5) [0.1 – 13.2]
Total 39a (100)   40 (100)  
Adequacy of gestational weight gain     
Insufficient 13 (33.3) [19.1 – 50.2] 12 (31.6) [17.5 – 48.6]
Adequate 15 (38.5) [23.4 – 55.4] 10 (26.3) [13.4 – 43.1]
Excessive 11 (28.2) [15.0 – 44.9] 16 (42.1) [26.3 – 59.2]
Total 39a (100)   38a (100)  
DELIVERY AND NEWBORN ANTHROPOMETRIC VARIABLES n (%) CI 95% n (%) CI 95%
Kind of delivery     
Cesarean 11 (27.5) [14.6 – 43.9] 19 (47.5) [31.5 – 63.9]
Vaginal 25 (62.5) [45.8 – 77.3] 19 (47.5) [31.5 – 63.9]
Forceps 4 (10) [2.8 – 23.7] 2 (5) [0.6 – 16.9]
Total 40 (100)   40 (100)  
Birth weight (g)     
< 2500 1 (2.5) [0.1 – 13.2] 0 (0) [0.0 – 8.8]
2500-4000 36 (90) [76.3 – 97.2] 37 (92.5) [79.6 – 98.4]
> 4000 3 (7.5) [1.6 – 20.4] 3 (7.5) [1.6 – 20.1]
Total 40 (100)   40 (100)  
Head circumference at birth (percentile)     
<P3 2 (5) [0.6 – 16.9] 1 (2.6) [0.1 – 13.8]
P3-P97 35 (87.5) [73.2 – 95.8] 32 (84.2) [68.8 – 94.0]
>P97 3 (7.5) [1.6 – 20.4] 5 (13.2) [4.4 – 28.1]
Total 40 (100)   38a (100)  
Length at birth (percentile)     
<P3 1 (2.5) [0.1 – 13.2] 4 (10.5) [2.9 – 24.8]
P3-P97 37 (92.5) [79.6 – 98.4] 34 (89.5) [75.2 – 97.1]
>P97 2 (5) [0.6 – 16.9] 0 (0) [0.0 – 9.2]
Total 40 (100)   38a (100)  
Birth weight according to gestational age     
SGA 10 (25) [12.7 – 41.2] 5 (12.5) [4.2 – 26.8]
AGA 27 (67.5) [50.9 – 81.4] 33 (82.5) [67.2 – 92.7]
LGA 3 (7.5) [1.6 – 20.4] 2 (5) [0.6 – 16.9]
Total 40 (100)   40 (100)  
  1. a sample number of protocols completed for the variable.
  2. SGA: small for gestational age; AGA: adequate for gestational age; LGA: large for gestational age.