Validity of self-reported age at menarche in computer-assisted interview among Chinese schoolgirls: a cross-sectional study


OBJECTIVE The attitudes of girls regarding menarche vary according to their cultural backgrounds. Asian girls may hesitate to discuss menarche. Computer-assisted self-administered interviewing (CASI) is considered a valid and effective tool for investigating the timing of menarche; however, the validity of self-reported menarche data from CASI in Chinese… (More)
DOI: 10.1136/bmjopen-2017-016799


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