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Table20. Estimated Regression Coefficients for Foods as Predictors of Quarter Root fiber (gm) by Sex for Children & Adolescents

For grams of fiber, estimation of b0 and b1...b29, the model is:

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

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

Parameter Boys Girls
Children Adolescents Children Adolescents
Intercept (b0) 1.597364 1.584421 1.538635 1.513948
Hot cereals,1st tertile fiber (b1) 0.000174 0.000322 0.000096 -0.000243
Hot cereals,2nd tertile fiber (b2) 0.000478 0.000714 0.000354 0.000616
Hot cereals,3rd tertile fiber (b3) 0.000772 0.000821 0.000781 0.000734
Cold cereals,1st quartile fiber (b4) 0.000593 -0.000517 0.000256 -0.000464
Cold cereals, low 2nd quartile fiber (b5) 0.001827 0.001041 0.001323 0.001619
Cold cereals, high 3rd quartile fiber (b6) 0.002523 0.003230 0.003048 0.004720
Cold cereals, 4th quartile fiber (b7) 0.004390 0.003372 0.004307 0.005205
Milk (b8) --- 0.000103 --- 0.000089
Soda (b9) 0.000076 0.000063 0.000038 0.000022
100% Fruit juices (b10) 0.000059 0.000063 0.000114 0.000154
Sugar added to coffee/tea (b11) --- --- --- ---
Fruitades/sports drinks (b12) --- 0.000052 --- 0.000043
Fruit (b13) 0.000706 0.000774 0.000815 0.000860
Salad (b14) --- -0.000779 --- -0.000560
Fried potatoes (b15) 0.000894 0.000670 0.001420 0.001368
Other potatoes (b16) 0.000331 0.000366 0.000653 0.001022
Dried beans (b17) 0.002656 0.002346 0.003074 0.002332
Brown rice (b18) 0.002615 0.000685 --- 0.000723
Other vegetables (b19) 0.000560 0.000551 0.000856 0.000550
Salsa (b20) 0.003014 0.002488 0.005610 0.002983
Pizza (b21) 0.000434 0.000591 0.000685 0.000582
Tomato sauce (b22) 0.001172 0.000722 0.001694 0.001055
Cheese (b23) 0.000575 0.000951 0.000536 0.001032
Whole grain bread (b24) 0.000775 0.001612 0.001499 0.000965
Candy (b25) -0.000407 0.000365 --- 0.000546
Doughnuts (b26) 0.000585 0.000507 0.000512 0.000566
Cookies, cake, pie, brownies (b27) 0.000784 0.000816 0.000404 0.001382
Frozen desserts (b28) 0.000304 0.000358 --- 0.000662
Popcorn (b29) 0.005295 0.002210 0.004445 0.003847

Last Modified: 11 Apr 2014