Sentence examples for modification by birth from inspiring English sources

The younger birth cohorts had a lower absolute incidence of active TB compared to the older birth cohorts but there was no effect modification by birth cohort.

No significant effect modification by birth cohort was observed (P=0.3).

We observed no effect modification by birth cohort (P>0.05 for interaction; data not shown).

Our study also restricted the analysis to primiparous births (to n = 2595 mothers), thereby eliminating both potential confounding and effect modification by birth order, pregnancy-related changes in BMI, or breast-feeding.

There was no significant effect modification by birth year category (1975 1984 vs 1985–2004) between paternal age modelled as a continuous variable and all carcinomas, thyroid carcinomas, or malignant melanomas.

There was no significant effect modification by birth year category (1975 1984 vs 1985–2004) between maternal age modelled as a continuous variable and all carcinomas, thyroid carcinomas, or malignant melanomas.

Stratified analyses were carried out to assess for effect measure modification by sex, birth weight (low <2500 g, normal 2500 3999 g, high ≥000 g), gestational age (preterm <37 weeks, term ≥37 weeks) or 5-min Apgar score (low <7, normal 7 10).

We adjusted for many known and several less well-known risk factors for breast cancer, but the number of patients with complete information on birth dates limited the power of our study, and preventing subgroup analyses on modification by menopausal status, birth order or family history.

We also examined whether the November-December to May-June risk ratio differed by region of birth; this ratio of around 1.3 was the same over the Queensland-Tasmania range, with no effect modification by region of birth (P=0.25).

There was no evidence of non-linearity or effect modification by sex or birth year (data not shown), but the models could be further developed to consider interactions between the size/weight gain variables (e.g., is the pre-pubertal weight gain-adulthood SBP association stronger in those with lower birth weight?) and adjustment in some way for linear growth.

Taking into account effect modification by age at the birth, our study revealed a short-term adverse effect also of the third pregnancy.