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Previous Volume 329:1893-1895 December 16, 1993 Number 25 Next

	Since this article has no abstract, we have provided an extract of the first 100 words of the full text and any section headings.

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To the Editor: In their study of the relation between the number of pregnancies and the risk of cardiovascular disease (May 27 issue), Ness et al. found that having six or more pregnancies was associated with a small but consistent increase in the risk of coronary heart disease and cardiovascular disease¹. The authors state that their findings have been adjusted for educational level but do not specify the statistical method used. Were high-school years and elementary-school years weighted equally? The educational level of the subgroup with six or more pregnancies was significantly lower than that of the other subgroups . . . [Full Text of this Article]

References

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