Prepregnancy maternal BMI and trajectories of BMI-for-age in children up to four years of age: findings from the 2015 Pelotas (Brazil) birth cohort
Main finding · Belonging to "risk for weight excess" trajectoryResult — go to the resultTimes more risk 2.36 95% CI 1.71–3.24Authors' conclusion
The risk of weight excess in children up to 4 years of age were greater in mothers who presented prepregnancy weight excess.
Study context
- Population
- Children of the Pelotas 2015 Birth Cohort (Brazil), BMI-for-age z-scores at 3 months, 1, 2 and 4 years75.3% of original cohort
- Participants
- 3,218 children
- Exposure
- Prepregnancy maternal weight excess vs underweight/normal weight
- Outcome
- Membership of BMI-for-age trajectory group "risk for weight excess"
- Follow-up
- Up to 4 years of age
Methodological detailspopulation-based birth cohort, group-based trajectory modelling, multinomial logistic regression
- Population-based birth cohort
- Group-based trajectory modelling
- Multinomial logistic regression
Main finding
Belonging to "risk for weight excess" trajectory · up to 4 years
Times more risk
2.36
95% CI 1.71–3.24
As reported in the abstract
Observational data: associations, not effects.
Further findings
BMI-for-age trajectories
- Children in "risk for weight excess" trajectory
- 196 (7.1%)
- Four trajectories identified: "increasing", "adequate", "stabilized" and "risk for weight excess"
Original publication
Prepregnancy maternal BMI and trajectories of BMI-for-age in children up to four years of age: findings from the 2015 Pelotas (Brazil) birth cohort. Int J Obes (Lond). Published 13 December 2023. doi:10. 1038/ s41366-023-01422-1
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