Sentence examples for matched on parity from inspiring English sources

For each case we interviewed two controls who delivered on the same day in the same hospital matched on parity.

Because childbirth and breastfeeding are strongly correlated, we restricted the present analysis to parous women and we matched on parity to eliminate any potential confounding effect of parity.

In the present study, we expand our study sample from 995 to 1,665 matched pairs and we have matched on parity.

The actual sample size achieved was a total of 131 cases matched on parity, day of delivery and hospital with 262 controls participated in the study of preeclampsia risk factors.

For each analysis, except research question 4, the women were matched on parity as the risk of adverse obstetric outcomes is dependent on parity, with primiparous women having the highest risk.

Comparisons of these 33 children were made with 99 controls, three for each index case, matched on maternal age, parity and social class.

For the present study, all 250 women diagnosed with breast cancer after recruitment according to the cancer registry (BC) and 233 controls (frequency matched on age and parity; taken at random from the entire cohort at baseline) were selected for further PFAS analyses.

Data from 355 white (181 preeclampsia cases/174 controls) and 60 black (30 preeclampsia cases/30 controls) women matched on ancestry, age, and parity were analyzed.

Twenty-five mofhers of normal offspring (controls) were individually matched on medical center, age, parity, weight and length of gestation at the time of sampling to women bearing sons who had a diagnosis of cryptorchidism at one year of age or older.

From positive urine toxicologies or admissions in private, thorough interviews, 154 were identified as prenatal cocaine users; 154 were selected from noncocaine users matched on socioeconomic status (SES), race, parity and location of prenatal care (that related to perinatal risk), for a total sample size of 308.

Participants From a cohort of 11 471 women with at least one histological sample taken at colposcopy and a live singleton birth (before or after colposcopy), 1313 women with a preterm birth 20-366 weres) were identified and frequency matched on maternal age at delivery, parity, and study site to 1313 women with term births 38-42 weekss). 38-42 weeks