Toilet training of healthy young toddlers: a randomized trial between a daytime wetting alarm and timed potty training
Related Experiment Video
Updated: Jul 5, 2026

Measuring Cardiac Autonomic Nervous System (ANS) Activity in Toddlers - Resting and Developmental Challenges
Published on: February 25, 2016
Alexandra Vermandel1, Joost Weyler, Stefan De Wachter
1Department of Urology, University Antwerp, Edegem, Belgium.
Insights
The wetting alarm diaper training (WAD-T) method proved more effective than timed potty training (TP-T) for healthy children
Area of Science:
- Pediatrics
- Child Development
- Behavioral Science
Background:
- Toilet training (TT) is a crucial developmental milestone for children.
- Optimal TT methods lack consensus among healthcare professionals and parents.
- Early childhood development research focuses on effective and child-friendly training techniques.
Purpose of the Study:
- To compare the efficacy of a 5-day daytime wetting alarm diaper training (WAD-T) program against timed potty training (TP-T) in healthy children.
- To evaluate the long-term effectiveness of WAD-T in achieving independent bladder control.
- To assess the child-friendliness and parental satisfaction with WAD-T.
Main Methods:
- A randomized controlled trial involving 39 healthy children aged 20-36 months.
- Participants were assigned to either WAD-T (n=20) or TP-T (n=19).
- Toilet behaviors were assessed by parents and independent observers pre-training, post-training, and at 2 weeks, with a 1-month follow-up via telephone.
Main Results:
- The WAD-T group demonstrated significantly better outcomes than the TP-T group immediately post-training (p=.041), at 14 days (p=.027), and at 1 month (p=.027).
- Independent bladder control was achieved in 88.9% of children in the WAD-T group.
- The WAD-T method resulted in fewer emotional conflicts for children and parents.
Conclusions:
- Daytime wetting alarm diaper training (WAD-T) is a highly effective, structured, and child-friendly approach for toilet training healthy young children.
- WAD-T provides clear parental guidelines, requires a limited time commitment, and yields high success rates with minimal emotional distress.
- Further validation of these findings in larger sample sizes is recommended to confirm the WAD-T method's broad applicability.
Objective:
Toilet training (TT) is important for every child, but there is no agreement on what is the best training method. We evaluated in a randomized way the comprehensive use of a daytime wetting alarm at home for 5 days in healthy children and compared it with timed potty training.
Methods:
Thirty-nine children, between 20 and 36 months of age, were randomized to wetting alarm diaper training (WAD-T; n = 20) or timed potty training (TP-T; n = 19). Toilet behavior was observed by parents and independent observers before, at the end, and after 2 weeks of training. Late evaluation at 1 month was done by telephone.
Results:
The WAD-T group did significantly better than the TP-T group at the end training (p = .041), at 14 days (p = .027), and 1 month after training (p = .027). Independent bladder control was achieved in 88.9% of the WAD-T group.
Conclusions:
The WAD-T method is a structured, child-friendly, highly effective option for TT young healthy children. It offers the parents clear guidelines, a limited time needed to complete TT, a high success rate, and minor emotional conflicts. Results must now be confirmed in a larger sample size.
Related Concept Videos
Psychosexual Stages of Personality: Anal
The Micturition Reflex
The process begins with bladder filling, where the bladder wall stretches as urine accumulates. This stretching activates the urine storage reflex, mediated by the sacral spinal segments and the pontine storage center. Efferent sympathetic impulses stimulate the detrusor muscle to relax and the internal urethral sphincter to contract, facilitating urine...
