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????,?????????????????,???,????,????“??????????????”,?????????????????? 1001 ????(??????? 72.3%)?????? 809 ??????(????? 60%)??,??????????????BMI ??????????

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??,??????????????(TDCE)???????????,????????????? TDCE ??? 3.72,???? 2.65(p < 0.001)?????????,??????????????

?????????,????????“??”??????????????????????,????????,????????,?????????????????????????????,??????????“??”??????,??????????,??????????,?????????,????????

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??,???“???????”??“???????”?????,?????????????????,????????“????”,????“????”?????????????????????????????????(BMI)??,??????,?????

??,???????????,??????????????,??????????????????????“????”????????????????,???????“?????????????”,????????????,???????,?????????????????????,????

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1 ??????????????????????,????????????“???????????????????????????”

???????????????????,???,??,?????????? 52 ????????????????????,????? 13%~17%?

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2 ??“???????????????”

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???,????????????(???????????????????)???????? B12(????????????????????????????????)?????????

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3 ????????????

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4 ?????????

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(1)?????,??,???????;

(2)???????,????????????????????????,??;

(3)?????,?????????????,???;

(4)??????????,????,???????????????????????????????,????????;

(5)???????????????????????,???????????????????????????????????????????,?????????

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