Daytime Bladder Control Status in Toddlerhood Is Associated With Subsequent Bedwetting in Preschool Years: A Nationwide Cohort Study of Over 30 000 Japanese Children
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View abstract on PubMed
Summary
This summary is machine-generated.Children not fully controlling daytime bladder at 2.5 years old showed a 25% increased risk of bedwetting at 4.5 years. This suggests differences in bladder control maturation, not a direct cause, impacting nighttime continence development.
Area Of Science
- Pediatrics
- Developmental Biology
- Urology
Background
- Nocturnal enuresis (bedwetting) is a common childhood issue.
- Daytime bladder control usually precedes nighttime continence.
- The link between early daytime bladder control and later bedwetting is not well understood.
Purpose Of The Study
- To investigate if daytime bladder control at 2.5 years is associated with bedwetting at 4.5 years.
- To analyze this association in a large Japanese nationwide cohort.
- To explore the relationship using diaper use as an indicator of daytime bladder control.
Main Methods
- Analysis of data from the Japanese Longitudinal Survey of Newborns (2010 cohort).
- Assessment of daytime bladder control via caregiver-reported diaper use at 2.5 years.
- Evaluation of bedwetting frequency at 4.5 years using parental questionnaires.
- Application of modified Poisson regression to estimate risk ratios, adjusting for covariates.
Main Results
- Over 82% of children used diapers at 2.5 years.
- Bedwetting prevalence at 4.5 years was 42.2%.
- Incomplete daytime bladder control at 2.5 years correlated with a 25% increased risk of bedwetting at 4.5 years (aRR 1.25).
- A dose-response relationship was observed, with higher frequency bedwetting linked to poorer daytime control.
Conclusions
- Daytime bladder control status at 2.5 years is linked to a higher risk of bedwetting at 4.5 years.
- This association likely reflects variations in bladder maturation rather than a direct causal link.
- Daytime bladder control may be a developmental marker, but its role as an intervention target requires further study.
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