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Table22. Estimated Regression Coefficients for Foods as Predictors of Quarter Root Calcium (mg) by Sex & Age Group: Children & Adolescents

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 Girls
Children Adolescents Children Adolescents
Intercept (b0) 4.625667 4.535107 4.522207 4.378301
Hot cereals,1st tertile fiber (b1) -0.000380 -0.001033 -0.000313 -0.001006
Hot cereals,2nd tertile fiber (b2) 0.000083 0.000060 -0.002544 -0.001016
Hot cereals,3rd tertile fiber (b3) 0.001286 0.001064 0.001465 0.001865
Cold cereals,1st quartile fiber (b4) -0.003051 -0.003680 -0.001525 -0.002990
Cold cereals, low 2nd quartile fiber (b5) -0.003791 -0.003640 -0.003180 -0.002917
Cold cereals, high 3rd quartile fiber (b6) 0.002870 -0.003948 0.001697 -0.001442
Cold cereals, 4th quartile fiber (b7) 0.001513 0.003530 0.002212 0.001869
Milk (b8) 0.001576 0.001793 0.001788 0.002071
Soda (b9) 0.000098 0.000180 -0.000083 0.000100
100% Fruit juices (b10) 0.000227 0.000425 0.000149 0.000748
Sugar added to coffee/tea (b11) --- --- --- 0.000169
Fruitades/sports drinks (b12) 0.000108 0.000242 --- ---
Fruit (b13) 0.000218 --- --- 0.000439
Salad (b14) --- -0.004322 -0.001748 -0.002068
Fried potatoes (b15) --- -0.000893 0.001810 ---
Other potatoes (b16) 0.000413 --- --- ---
Dried beans (b17) 0.001620 0.000673 0.001657 0.000907
Brown rice (b18) 0.002995 0.001306 -0.004854 -0.002793
Other vegetables (b19) 0.000659 0.001213 0.000605 0.001130
Salsa (b20) 0.006022 0.004043 0.008799 0.004350
Pizza (b21) 0.002334 0.002630 0.002369 0.002950
Tomato sauce (b22) -0.000903 -0.001945 0.001808 ---
Cheese (b23) 0.010654 0.012429 0.012667 0.013251
Whole grain bread (b24) 0.000745 0.004615 0.001711 0.002070
Candy (b25) -0.002018 -0.002440 --- ---
Doughnuts (b26) --- 0.000775 0.000858 -0.001199
Cookies, cake, pie, brownies (b27) 0.001137 0.002167 --- 0.002003
Frozen desserts (b28) 0.001247 0.001298 0.001035 0.001866
Popcorn (b29) 0.003552 -0.004267 -0.002876 ---

Last Modified: 11 Apr 2014