Objective: To explore the method for estimating the cumulative staple food intake of resident.
Methods: A curve fitting equation based on three dietary survey data of resident in Dayu County of Jiangxi Province was established.
Results: The equation were y =- 0. 2255x~2+ 152. 19x- 391. 68 for male and y =- 0. 0985x~2+110. 41x- 150. 03 for female. And the curve fitting were good( R_M~2= 0. 9989, R_F~2=0. 9992).
Conclusion: In the area that rice is the stable food, the curve equation can be used to estimate the cumulative rice consumption of resident.
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