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The effect of a preterm birth prevention program in 17 rural and three urban counties in northwest North Carolina.

The results of a program of low birthweight prevention in 17 rural (20,727 births) and three urban counties (15,561 births) for calendar years 1985 and 1986 are described. Records for women in the program were matched with birth certificate data by computer. Rural and urban women in and out of the program were compared by race on the following risk factors: age less than 18 years, unmarried, education less than 12 years, Medicaid recipient, not WIC recipient, inadequate prenatal care, and previous fetal or live born death. Adjusting for these risk factors, logistic regression was used to estimate program effects on low birthweight (LBW), very low birthweight (VLBW), and preterm low birthweight (PLBW) among rural women. There was a statistically significant difference (p less than or equal to 0.01) favoring women in the program for very low birthweight and preterm low birthweight in white women, and low birthweight and preterm low birthweight in nonwhite women. The differences in rural areas exceed those in urban areas for all but one mean, very low birthweight births among white women.