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. Author manuscript; available in PMC: 2016 Apr 10.
Published in final edited form as: Biometrics. 2015 Aug 31;72(1):106–115. doi: 10.1111/biom.12377

Table 1.

24-hour dietary recall reported consumption of red meat and orange vegetables in men1; NIH-AARP Diet and Health Study.

Red Meat
(g/day)
Orange Vegetables
(cups/day)
Mean reported intake (s.e.) 82.8 (2.3) 0.14 (0.01)
Mean amount on consumption days (s.e.) 117.7 (2.6) 0.32 (0.01)
Mean probability to consume on any single day (s.e.) 0.70 (0.01) 0.44 (0.01)
Percentage of subjects who consumed food:
  0 out of 2 days 14.7 33.5
  1 out of 2 days 29.9 44.9
  2 out of 2 days 55.4 21.6
1

Based on the 886 males in the calibration substudy who completed two 24-hour dietary recalls.