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Table 1 Characterization of adolescent and adult mothers regarding the socio-economic, demographic and prenatal care variables

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

SOCIO-ECONOMIC VARIABLES Adolescents Adults
  n (%) CI 95% n (%) CI 95%
Per capita family income 1     
< 1 per capita minimum wage2 25 (80.6) [62.5 – 92.5] 20 (52.6) [35.8 – 69.0]
≥1 per capita minimum wage2 6 (19.4) [7.4 – 37.5] 18 (47.4) [40.0 – 64.2]*
Education     
< 8 years 4 (10) [2.8 – 23.7] 9 (22.5) [10.8 – 38.4]
≥ 8 years 36 (90) [76.3 – 97.2] 31 (77.5) [61.6- 89.2]
Work?     
Yes 4 (10) [2.8 – 23.7] 25 (62.5) [45.8 – 77.3]*
Marital status     
Single 32 (80) [64.4 – 90.9] 7 (17.5) [7.3 – 32.8]*
Married 8 (20) [9.0 – 35.6] 33 (82.5) [67.2 – 92.7]*
Prenatal medical consultations     
< 6 consultations 6 (15) [5.7 – 29.8] 2 (5.4) [0.7 – 18.2]
≥ 6 consultations 34 (85) [70.2 – 94.3] 35 (94.6) [81.8 – 99.3]
  1. *different from adolescents (P < 0.05).
  2. 1Total family income / number of family members.
  3. 2Used the minimum wage relating to the period of data collection.
  4. CI: confidence interval.
  5. For the family income variable there was a loss of nine adolescents and two adults, and for the variable prenatal medical consultations there was a loss of 3 adults.