The effect of maternal demographic factors on infant mortality rates. Summary of the findings of the Louisiana Infant Mortality Study. Part I.

Birth and infant death certificates for Louisiana in 1972 were matched and reviewed to identify groups particularly in need of close medical support and counselling during the identify groups particularly in need of close medical support and counselling during the life phases of preparation for reproduction, gestation, and parenthood. From all recorded birth and infant death certificates for 1972 (69,556 birth and 1,541 death certificates) infant, neonatal, and postneonatal mortality rates were computed for maternal demographic (intrinsic patient physiocal and life-style characteristics) factors including age, race, parity by age cohort, education, and legitimacy. Excessive infant deaths were found among illegitimate offspring, except in mothers less than 15 years of age or nonwhites over 35 years of age; the less educated; those having too many children too soon; those of low birth weight; and whites relying on Charity Hospitals. An increased mortality rate was seen with nonwhites and with the younger and older mothers.