Access to medical records is limited in the United States and investigators often rely on maternal report of prenatal complications.
To measure agreement between gestational age based on maternal report of expected date of delivery (EDD) 9 months after birth and gestational age at birth in routine hospital data.
To examine the validity of (1) maternal questionnaire report of children's use of antiasthmatics using a prescription database as the reference standard and (2) dispensed antiasthmatics as a measure of asthma using maternal report of children's asthma as the reference standard.
These include confounding between maternal report of child outcomes and the maternal psychological attributes under study, difficulties in distinguishing maternal stress from more ubiquitous aspects of maternal personality, and the lack of association between cortisol and measures of maternal psychological stress.
Children also completed measures of emotional understanding and representations of relationships, and mothers completed a maternal report of aggressive behavior.
STUDY DESIGN: We use propensity score matching with multiple imputations to examine whether WIC program influences birth outcomes: birth weight, prematurity, maternal report of the infant's health, small for gestational age, and placement in the neonatal intensive care unit.
We enrolled children within 17 days of birth, and diarrhoeal episodes (defined as maternal report of three or more loose stools in 24 h, or one loose stool with visible blood) were identified through twice-weekly home visits by fieldworkers over a follow-up period of 24 months.
This estimate was revised upwards to 1.6% when maternal report of ASD status and symptoms were considered [22].
Maternal age, race/ethnicity, household income, education, partnership status, height, pre-pregnancy BMI, and maternal report of the father's height were recorded at enrollment.
For example, the fully adjusted (equivalent of model 3) association of maternal and paternal BMI with offspring BMI in the N = 10410 participants with maternal report of weight and height for both parents were 0.18 (0.22, 0.22) and 0.16 (0.19, 0.19), respectively.
