TABLE 1

Descriptive Characteristics of Study Sample by Site and Overall, EDMD Study, n = 700

OverallNCPPCHDSP
nMean/nStd/%nMean/nStd/%nMean/nStd/%
Maternal variables
 Maternal age at registration70026.25.935225.66.034826.85.7.004
 Maternal prepregnant BMI65623.33.832222.93.933423.63.8.03
 Maternal GWG, kg6759.24.03359.04.03409.44.0.13
 Maternal race
  Non-Hispanic white57782.432291.525573.3.001a
  Non-Hispanic black8211.7298.25315.2
  Non-Hispanic API and other162.310.3154.3
  Hispanic253.6257.2
 Maternal education at registration
  Less than high school18025.912435.85616.1<.0001
  High school graduate28941.616447.412535.9
  Some college/technical/trade school or college graduate22532.45816.816748.0
 Prenatal smoke
  Prenatal smoke27240.117650.39629.3<.0001
  No prenatal smoke40659.917449.723270.7
Daughters’ adult variables
 Age at menarche, y69612.71.634912.81.634712.71.6.25
 BMI68627.56.434526.95.534128.17.2.02
 Age at interview, y70044.11.835244.51.934843.71.6<.0001
 Age at mammogram, y70043.12.335243.12.534843.02.1.48
 Percent density70031.818.735232.217.434831.419.9.58
 Dense area, cm270035.822.035237.621.934833.921.9.02
 Breast area, cm2700137.874.0352139.273.0348136.475.0.62
  • API, Asia and Pacific Islanders.

  • a P value only for comparing distribution of white and black race between sites.