Guilkey, David K.; Popkin, Barry M.; Flieger, Wilhelm; … - In: Social Science & Medicine 31 (1990) 12, pp. 1365-1375
duration of breast-feeding. Methods are used that allow the examination of the effects of changes in population characteristics … and behavioral factors on breast-feeding outcomes. Comparable national surveys are employed to examine the factors … associated with the combination of a decline in the extent of and an increase in the duration of breast-feeding between 1973 and …