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Table 2 Consumption of selected food groups and nutrients in African American community and RDD controls participating in the Women’s Circle of Health Study, New Jersey, 2006-2012

From: Rethinking sources of representative controls for the conduct of case–control studies in minority populations

  Community (n=339) RDD (n=206)  
  Median Mean (SD) Median Mean (SD) P value*
Calories (kcal/day) 1606.0 1794.6 (998.0) 1569.4 1845.1 (1261.9) 0.61
Total fat (g/day) 56.9 66.9 (41.8) 54.2 68.4 (52.6) 0.41
Total protein (g/day) 64.3 71.5 (39.1) 65.7 73.3 (49.3) 0.54
Total carbohydrates (g/day) 206.2 231.6 (134.7) 198.1 234.9 (163.89) 0.46
Total dietary fiber (g/day) 15.2 16.8 (9.1) 15.1 16.3 (9.4) 0.33
Beta-carotene (mcg/day) 3248.5 4239.7 (3247.3) 3364.2 4178.9 (3156.6) 0.91
Vitamin C (mg/day) 88.8 111.2 (108.4) 84.9 122.4 (132.3) 0.63
Vitamin D (mcg/day) 3.7 4.93 (4.2) 3.7 5.0 (4.7) 0.73
Vitamin E (IU) 11.5 14.2 (10.6) 11.1 15.7 (19) 0.43
Folate (mcg/day) 365.6 391.1 (220.4) 355.2 398.5 (260.7) 0.59
Calcium (mg/day) 697.6 811.5 (561.5) 657.2 807.5 (594.7) 0.42
Total dairy (g/day) 169.2 229.5 (241.3) 135.0 210.3 (226.0) 0.13
Total vegetables (g/day) 160.2 201.0 (170.4) 177.1 215.1 (167.2) 0.29
Total fruit (g/day) 157.2 231.2 (256.5) 139.3 207.4 (201.8) 0.33
Total meat (g/day) 38.3 54.2 (62.3) 38.2 58.1 (61.0) 0.60
  1. *P values based on Wilcoxon rank sum test.