Migration,socio-economic status and age at menarche and age at menopause in the Yucatan,Mexico |
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Authors: | F Fickinson T Castillo L Vales L Uc |
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Institution: | (1) Section of Human Ecology, Centro de Investigacion y de Estudios Avanzados-Merida, Apdo. Postal 73 “Cordemex”, 97310 Merida, Mexico |
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Abstract: | The possible effects of migration and socio-economic status (SES) on age at menarche (MENA), age at menopause (MENO), potential
reproductive period (PRP), and the correlation between MENA and MENO, were studied in 216 women in the Yucatan, Mexico. They
were divided into three groups: migrant from the sisal-growing area on the coast, and sisal and coastal sedentary.
Coastal sedentary women, living in the best socio-economic conditions, have the youngest MENA and the oldest MENO. Early migrant
women have a significantly younger MENO (p.<0.05) and shorter PRP than Coastal sedentary women. There was no evidence of selective
migration for MENA. When the Migrant, Sisal and Coastal sample were divided into cohorts by SES, it was impossible to obtain
any clear picture. MENA increases with increased SES for the Coastal and Sisal cohorts, while the Migrant cohorts show an
opposite trend. However, only the Low/Middle and High/Middle cohort differences for the Coastal sample are significant (p.<0.05,
in both cases). It seems that migration has a limited affect on MENO and the PRP.
Contrary to reports in the literature, the correlations between MENA and MENO and migrant status, and migrant socio-economic
statuses, are negative, although these correlations were statistically significant in the Coastal sample. |
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Keywords: | migration menopause menarche socio-economic status Yucatan Mexico |
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