Confounders

Please report all confounders controlled in the analyses reported in the following result section (adjusted results)

UI Author Year Confounder Groups Please List Name of Confounder (including matching factors) Specific comments for confounders
17622244 Otani 2007 Other nutrients or dietary factors (e.g., certain food consumption), including supplement use and total energy intake Energy intake, vitamin supplement use Matching factors: sex, age, date of blood draw, time since last meal, study location
Further adjustment for n-3 polyunsaturated fatty acid or fish intake (results not materially changed [data not shown])
Demographics (e.g., age, gender, race, education)? Yes - age, gender
Anthropometrics (e.g., BMI, body weight, % body fat)? Yes - BMI
Medical conditions Family Hx of colorectal cancer
Medication
Sunlight exposure and its proxy variables (e.g., physical activity level, occupation, sun exposure, location) Physical exercise
Smoking and other life styles variables Yes - smoking, alcohol
Other Family history of colorectal cancer, cohort
*

Please choose “yes” if any one of the confounders in this group was controlled in the analysis

From: Appendix C, Evidence Tables: L-Q

Cover of Vitamin D and Calcium
Vitamin D and Calcium: A Systematic Review of Health Outcomes.
Evidence Reports/Technology Assessments, No. 183.
Chung M, Balk EM, Brendel M, et al.

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