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. Author manuscript; available in PMC: 2007 Nov 20.
Published in final edited form as: Am J Clin Nutr. 2007 Sep;86(3):743–751. doi: 10.1093/ajcn/86.3.743

TABLE 5.

Odds ratios (and 95% CIs) for hyperplastic polyps by tertile (T) of daily magnesium and calcium intakes in all subjects (the Tennessee Colorectal Polyp Study, 2003–2005)

Intake tertile
T1 (Low) T2 T3 P for trend
Total magnesium intake
 All subjects (n) 91/4301 59/429 59/440
  Model 12 1.00 (reference)3 0.65 (0.46, 0.93)4 0.64 (0.45, 0.91) 0.01
  Model 25 1.00 (reference) 0.73 (0.48, 1.10) 0.60 (0.34, 1.06) 0.07
  Model 36 1.00 (reference) 0.75 (0.48, 1.16) 0.64 (0.34, 1.21) 0.15
Total calcium intake
 All subjects (n) 86/428 66/427 56/439
  Model 12 1.00 (reference) 0.77 (0.55, 1.09) 0.64 (0.45, 0.92) 0.01
  Model 25 1.00 (reference) 0.85 (0.57, 1.28) 0.94 (0.57, 1.53) 0.76
  Model 26 1.00 (reference) 0.89 (0.57, 1.38) 1.01 (0.57, 1.79) 0.98
1

Cases/controls (all such values).

2

Unconditional logistic regression models were used after adjustment for age.

3

Odds ratio (all such values).

4

Odds ratio; 95% CI in parentheses (all such values).

5

Additionally adjusted for educational achievement (categorical); race (white or other); sex; recruitment site; dietary intakes of total energy, saturated fat, folate, vitamin E, retinol equivalent, zinc, vitamin B-6, fiber, and vitamin D; BMI (continuous); physical activity (yes or no); smoking status (former, current, or never); and alcohol consumption status (former, current, or never).

6

Further adjusted for total intake of calcium or magnesium.