Dietary Exposure	Reporting Method	Timeframe info	Collection Method	Available in Food Questionnaire Creator	Action
Energy, Micronutrient	Retrospective	1 month	Diet History Questionnaire	No	Detailed Information	Web Link

Summary

This tool is a self-administered, structured diet history questionnaire measuring the daily intake of 150 foods. The tool was designed to calculate the intakes of energy, folate and B12. This was a newly developed tool.

Contact Information info

mi-shi@umin.ac.jp

Tool Website

Special Considerations

This was a newly developed Dietary history questionnaire (DHQ) designed to calculate the intakes of energy, folate and B12. Study cohort was split into pregnant women 15-19 weeks gestation from a private and university hospital.

Last Updated info

13/02/2018

Software Required

Not reported

Training Required

Not reported

Instructions on use

Not reported

Administration Method

Self-administered

Data Analysis

Instructions on how the dietary data was analysed can be found in the publication.

Author	Year	Comparator	Lifestage	Sex	Number of Nutrients Validated	Mean Difference	Variance Measured info	Correlation Coefficients	Percentage Agreement	Limits of Agreement	Special Considerations	Action
Shiraishi	2012	Biomarkers	Adults	Female Only	2	✓	✓	✓	✓		Subjects were 2nd trimester pregnant women from 2 hospitals in Tokyo, Japan	Detailed Information	Web Link