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. Author manuscript; available in PMC: 2021 Jul 11.
Published in final edited form as: Cancer Prev Res (Phila). 2020 Oct 28;14(3):337–346. doi: 10.1158/1940-6207.CAPR-20-0335

Table 1. DISC Study participant characteristics at baseline according to E-DII group.

Demographics Lower E-DII group (≤0.700) Higher E-DII group (>0.700) P-value
Total n 37 38
Female n (%) 24 (65) 16 (42) 0.07
Age (years) 53.0 (1.9) 51.9 (2.1) 0.43
Race/Ethnicity 1.00
White n (%) 36 (97) 37 (97)
Black n (%) 1 (3) 0 (0)
Mixed race n (%) 0 (0) 1 (3)
Endoscopy procedure 0.15
Flexible sigmoidoscopy n (%) 22 30
Colonoscopy n (%) 15 8
Anthropometrics
Height (m) 1.65 (0.01) 1.68 (0.02) 0.20
Weight (kg) 78.9 (2.5) 87.0 (2.6) 0.59
BMI (kg/m2) 28.9 (0.8) 31.1 (0.9) 0.33
Waist circumference (cm) 95.7 (2.0) 103.3 (2.1) 0.48
Hip circumference (cm) 106.3 (2.0) 107.8 (1.8) 0.63
Smoking status 0.03 *
Never n (%) 24 (65) 14 (37)
Former1 n (%) 9 (24) 12 (32)
Current n (%) 4 (11) 12 (32)
E-DII -0.999 (0.229) 2.425 (0.217) 0.92

Data are presented as means with standard error of the mean in parentheses unless otherwise stated. Independent sample t-tests and Fisher’s exact tests were used for comparisons between the lower and higher E-DII groups,

*

p<0.05.

1

Former smokers include participants who had stopped smoking prior to the start of the DISC Study.