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Planning a longitudinal study: II. Frequency of measurement and study duration

✍ Scribed by James J. Schlesselman


Book ID
115960740
Publisher
Elsevier Science
Year
1973
Weight
719 KB
Volume
26
Category
Article
ISSN
0021-9681

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Longitudinal study of the frequency and
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## Abstract A 27‐month longitudinal study of 140 Bangladeshi mothers living in three tea gardens examined the effect of maternal factors (mother's age, number of live births, birth interval, and mother's work status) and sex of the infant on the duration and bout frequency of breastfeeding over 8‐h