Table 2

Mean and median consumption of tofu (daily gram units), combined soy foods (daily gram units), genistein (daily milligram units), and daidzein (daily milligram units) by case-control status, China, 1989–1992

Cases (N = 133)Controls (N = 265)Pa
MeanMedianMeanMedian
Tofu (g/day)26.915.631.328.50.024
Combined soy foods(g/day)70.149.983.852.90.190
Genistein (mg/day)40.730.047.935.20.137
Daidzein (mg/day)24.017.527.819.20.155
  • a Wilcoxon rank-sum test comparing the median consumption levels between cases and controls.