Dietary intake investigation system and method

A technology for investigating systems and food intake, applied in special data processing applications, instruments, electrical digital data processing, etc., can solve problems such as sample system errors, data comparability defects, and result errors, so as to reduce system errors and avoid subjectivity difference, the effect of reducing the estimation error
CN103530489AInactive Publication Date: 2014-01-22王春玲
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
王春玲
Publication Date
2014-01-22
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention discloses a standardized on-line investigation system and method, and particularly relates to a dietary intake investigation system and method. According to the system and method, dietary intake of people can be tested quantitatively, the involvement degree of people who are busy and cannot take part in investigation is improved, dietary intake estimation errors caused by language expression differences of interviewers and sample people are reduced, and subjective differences of the interviewers are effectively avoided. The system comprises a customer terminal and a server, wherein the customer terminal comprises a questionnaire receiving module, a questionnaire investigation module and a result conveying module, and the questionnaire investigation module comprises a possible food intake variety unit, an intake frequency unit and an intake average amount unit; and the server comprises a statistic analysis module which is used for calculating and analyzing the investigation result and leading out statistic analysis result information.
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Description

technical field

[0001] The invention relates to a dietary intake investigation system and method, in particular to a standardized online investigation system and method capable of quantitatively measuring the dietary intake of a crowd. Background technique

[0002] Diet survey is one of the important contents of nutrition survey. Its purpose is to know whether the quantity and quality of heat energy and various nutrients taken by the surveyed objects through diet within a certain period of time can meet the requirements of the supply standard. Investigation methods include weighing method, account checking method, inquiry method and chemical analysis method.

[0003] The food frequency method is a recognized basic method for investigating dietary intake, which refers to a method for estimating the frequency of certain foods eaten by the respondent within a specified period of time. This method conducts dietary surveys in the form of questionnaires to investigate the types o...

Claims

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