Sentence examples for modification by birthweight from inspiring English sources
Subgroup analyses by sex for all primary and secondary outcomes are reported in web appendix A and B. There was no evidence of effect measure modification by birthweight strata for any outcome.
These analyses will examine if there appears to be effect measure modification by sex, birthweight and birth length, and if so, they will estimate the added value of the intervention in potentially vulnerable subgroups.
Because variation in birthweight or in fetal growth rate (represented by birthweight adjusted for gestational age) could be more important [ 3], we have analysed associations between birthweight and risk markers both with and without adjustment for gestational age.
We also compared the risks of caesarean section and assisted vaginal delivery (forceps/vacuum extraction) for subgroups of infants by birthweight and birthweight percentile.
The association between caesarean section and birthweight seemed less pronounced when infants were categorized by birthweight percentile and aORs hardly reached 2.0 (Table 3).
Consequently, size at birth was defined by birthweight, which does not differentiate size and maturity.
Web appendices C and D show primary and secondary outcomes by birthweight strata.
For the estimation of risks of MMMI and PMMI by birthweight or birthweight percentile, we performed a sensitivity analysis by excluding the variables "maternal obesity" and "diabetes" from the regression models.
The severity of behavioural and cognitive deficits was found to correlate with the extent of growth restriction (indicated by birthweight).
Similar trends for the risks of MMMI and PMMI by birthweight and birthweight percentile were found when we restricted the analyses to countries with less than 10%% of missing value for BMI (Additional file 3: Tables S5 and S6).
Effect modification by infant HFE H63 D and TF P570 S status on the tibia lead-birthweight relationship were not significant, but suggested a positive direction for effect modification.
