Food Frequency Questionnaire (FFQ), (MM1, HV1): Collects maternal food intake data, focusing on a 3 month window.
Choline Inhibitor Questionnaire (M1, HV1, CV1, HV2, CV3): The choline inhibitor questionnaire asks about the use of lotions, sunscreens, soaps and shampoos used when caring for the CANDLE child. The questionnaire also asks how often these products are used on the child per month. The goal of the questionnaire is to obtain those products which are known to inhibit choline metabolism. This questionnaire was created by CANDLE investigators for the specific purpose of CANDLE data collection.
Infant Feeding Practices Questionnaire (HV1, CV1, HV2, CV3): A measure of feeding practices for children from birth to 2 years of age.
Food Supplement Information (HV1, CV1, HV2, CV3): The Food Supplement Information systematically collects the participation in programs that provide foods or access to foods for the CANDLE child as well as participation in home visitation or parenting programs. This questionnaire was created by CANDLE investigators for the specific purpose of CANDLE data collection.
24-Hour Food Recall (NDSR), (HV1, CV1, CV2, CV3): Food intake for child for a 24-hour period.
Comprehensive Feeding Practices (CV4): A measure if parental feeding practices.