2004, Number 3
Arch Med Fam 2004; 6 (3)
Carreón-Vásquez J, Mendoza-Sánchez H, Pérez-Hernández C, Gil-Alfaro I, Soler-Huerta E, González-Solís R.
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ABSTRACTObjective: We intended to quantify the association of socioeconomic, sex education, and contraceptive methods factors with pregnancy in adolescents. Design: Case-control study. Materials and methods: Our study was carried out from February to August, 2001, at the Family Practice Center in Xalapa, Veracruz, Mexico. Cases consisted of teenagers pregnant for the first time within an age range of 13-19 years with pregnancies of any gestational age. The control group was made up of adolescents aged 10-19 years of age who shared the same characteristics of cases except pregnancy. Mentally challenged adolescents were excluded. Sample size was calculated for 396 adolescents with a case-control ratio of 1:2. OR calculation for associations was obtained with 95% confidence interval (95% CI) and with X2 Mantel-Henzel test. Results: We found a strong relationship to pregnancy in adolescents with overcrowding (OR = 5.71, 95% CI, 2.30-14.61), when in the low socioeconomic level (OR = 5.71, 95% CI, 2.30-14.61), and with schooling < 6 years (OR = 5.64, 95% CI, 2.56-12.66). To a lesser degree were misinformation from sex education (OR, 5.64, 95% CI, 2.56-12.66), and family planning (OR = 2.71, 95% CI, 1.64-4.47). Conclusions: Socioeconomic level, overcrowding, and level of schooling were the strongest associated factors with pregnancy in adolescents.