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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

Inactive Publication Date: 2014-01-22
王春玲
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Problems solved by technology

[0015] The technical problem to be solved in the present invention is to overcome the traditional food frequency method due to the individual differences of the researchers, the collected results will produce the systematic artificial differences of the investigators; at the same time, because the intake is collected in the investigation process using language description, The individual differences of the subjects will lead to defects in the comparability of the data of each individual, and the key to the dietary intake survey is to quantify the food intake, so the traditional research lacks a uniform standard, and the results have errors; and usually due to funding constraints and The interview time problem, the subjects can not arrange the time to participate in the survey at will, which makes sampling difficult, especially for young and middle-aged people who are busy with work, resulting in systematic errors in the sample

Method used

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  • Dietary intake investigation system and method

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Experimental program
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Embodiment 1

[0030] Embodiment 1 On-line dietary intake investigation system method

[0031] attached figure 1 It is a frame diagram of the online survey system of dietary intake of the crowd of the present invention. like figure 1 As shown, the system consists of a client terminal and a server. The client terminal includes a questionnaire accepting module, a questionnaire survey module, and a result delivery module. The respondent is surveyed by the client terminal, accepts the questionnaire through the questionnaire accepting module, and conducts survey operations through the questionnaire survey module. , the results are transmitted to the server through the result delivery module. The questionnaire survey module includes possible food intake type units, intake frequency units and intake average amount units. The respondents make choices according to the unit content. There are 8 groups, which are grains, fish and eggs, vegetables, fruits, dairy products, sweets and nuts, seasonings, an...

Embodiment 2

[0032] Example 2 Online Meal Intake Survey System Method Verification

[0033] Opinions of the expert committee: 14 Chinese and American nutrition experts on dietary structure and dietary intake were invited to form an expert committee. The researchers communicated with experts and obtained expert opinions through interviews, and integrated the expert opinions into the design scheme of the questionnaire system after sorting out.

[0034] Two open group discussions (focus group): one in the United States, using the form of convening a conference room meeting; the other in China, using the researchers to communicate through the phone, while the Chinese participants gathered in the conference room. The meeting lasted 2 hours, discussing everyone's understanding of each question, so as to confirm the consistency of the subject's understanding of the question, and modify the sentences that caused ambiguity.

[0035] Cognitive interview for the online dietary intake survey system: ...

Embodiment 3

[0036] Example 3 Online dietary intake survey system compared with 24-hour retrospective method

[0037] Experimental method: The subjects (24 people) completed two dietary survey methods, one is the 24-hour review method commonly used in nutrition, and the other is to complete the online questionnaire. The researchers compared the results of the two methods. In addition, the total energy intake obtained from both results was compared with the recommended dietary intake.

[0038] Experimental results: The results of the two methods showed that the results of the two methods were statistically significantly correlated, and the total energy intake results of the online survey were statistically significantly correlated with the dietary recommendations.

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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.

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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Application Information

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IPC IPC(8): G06F19/00
Inventor 王春玲N·萨恩P·莫泽-韦永
Owner 王春玲
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