@article{Aurino:2017:10.1111/nyas.13445,
author = {Aurino, E and Schott, W and Penny, ME and Behrman, JR},
doi = {10.1111/nyas.13445},
journal = {Annals of the New York Academy of Sciences},
pages = {107--116},
title = {Birthweight and prepubertal body size predict menarcheal age in India, Peru and Vietnam},
url = {http://dx.doi.org/10.1111/nyas.13445},
volume = {1416},
year = {2017}
}

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TY  - JOUR
AB  - Evidence on the associations of birthweight and prepubertal nutritional status with menarcheal age for low- and middle-income countries is limited. We investigated these relations using the Young Lives younger cohort for 2001 Indian, Peruvian and Vietnamese girls born 2001-2002. Girls were followed at approximately ages 1, 5, 8 and 12 years. Weibull survival models estimated hazards of earlier menarche based on birthweight z-scores (BWZ), and age 8-years BMI-for-age z-scores (BMIZ) and height-for-age z-scores (HAZ). Estimates controlled for potential individual-, mother- and household-level confounders, and for changes in anthropometry between 1 and 8 years. In adjusted models, BWZ predicted later age at menarche (Hazard Ratio, HR=0.90, 95%CI: 0.83 - 0.97). Conversely, HAZ (HR=1.66 95%CI 1.5 - 1.83) and BMIZ at 8 years (HR=1.28, 95% CI: 1.18 - 1.38) predicted earlier menarche. Changes in HAZ and BMIZ between 1 and 8 years were not associated with earlier menarche. Associations were consistent across countries, though with variation in estimated magnitudes. Maternal height and age were associated with later menarche. This evidence points to consistently robust and opposite associations of birthweight versus prepubertal attained height and BMI with menarcheal age in three diverse settings in terms of nutrition, ethnicity and socio-economic status.
AU  - Aurino,E
AU  - Schott,W
AU  - Penny,ME
AU  - Behrman,JR
DO  - 10.1111/nyas.13445
EP  - 116
PY  - 2017///
SN  - 1749-6632
SP  - 107
TI  - Birthweight and prepubertal body size predict menarcheal age in India, Peru and Vietnam
T2  - Annals of the New York Academy of Sciences
UR  - http://dx.doi.org/10.1111/nyas.13445
UR  - http://hdl.handle.net/10044/1/49903
VL  - 1416
ER  - 

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