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Table 21. Estimated Regression Coefficients for Foods as Predictors of Quarter Root Calcium (mg) by Sex & Age Group

For milligrams of calcium, estimation of b0 and b1...b29, the model is:

E ([Calcium].25) = b0+ b1NFG1P1 + b2NFG2P2 + ... + b9N FG29P29

For quarter root of grams of calcium, for each age group and sex, the estimates of the parameters are:

Parameter Boys/Men Girls/Women
Children/Adolescents Adults Children/Adolescents Adults
Intercept (b0) 4.567591 4.607439 4.438487 4.392113
Hot cereals,1st tertile fiber (b1) -0.000386 0.000364 -0.000833 -0.000237
Hot cereals,2nd tertile fiber (b2) 0.000100 -0.000383 -0.001814 0.000202
Hot cereals,3rd tertile fiber (b3) 0.001395 0.001234 0.001540 0.001473
Cold cereals,1st quartile fiber (b4) -0.003086 -0.004061 -0.001801 -0.003941
Cold cereals, low 2nd quartile fiber (b5) -0.003505 -0.001969 -0.001946 -0.000746
Cold cereals, high 3rd quartile fiber (b6) -0.000832 -0.002168 0.000992 0.000393
Cold cereals, 4th quartile fiber (b7) 0.002687 0.003378 0.002957 0.005292
Milk (b8) 0.001674 0.002110 0.001829 0.002154
Soda (b9) 0.000172 --- 0.000058 -0.000041
100% Fruit juices (b10) 0.000331 0.000476 0.000366 0.000543
Sugar added to coffee/tea (b11) --- --- 0.000180 0.000287
Fruitades/sports drinks (b12) 0.000210 0.000143 --- ---
Fruit (b13) --- 0.000375 0.000206 0.000389
Salad (b14) -0.001624 -0.001216 -0.001142 -0.001232
Fried potatoes (b15) -0.000550 0.000843 0.000822 0.001641
Other potatoes (b16) --- --- --- -0.000375
Dried beans (b17) 0.001013 0.001151 0.000888 0.001799
Brown rice (b18) 0.001952 --- -0.003105 ---
Other vegetables (b19) 0.000937 0.000890 0.000968 0.000869
Salsa (b20) 0.004811 0.004009 0.005438 0.004581
Pizza (b21) 0.002575 0.002236 0.002661 0.002744
Tomato sauce (b22) -0.001498 0.001162 0.000816 ---
Cheese (b23) 0.011532 0.012615 0.012763 0.014689
Whole grain bread (b24) 0.002451 0.000390 0.002142 0.001564
Candy (b25) -0.002456 0.002980 --- 0.003592
Doughnuts (b26) 0.000606 0.000407 --- ---
Cookies, cake, pie, brownies (b27) 0.001709 0.000576 0.001109 0.001495
Frozen desserts (b28) 0.001249 0.002096 0.001234 0.002727
Popcorn (b29) --- --- --- ---

Last Modified: 11 Apr 2014