Baseline characteristics of the patients
| Variable | Value |
| Male, n (%) | 83 (51.6) |
| Age at the beginning of toilet training intervention (months), mean (range) | 5.2 (3–11) |
| Mean duration of toilet training intervention (months), mean (range) | 1.4 (1–3) |
| Age at the end of follow-up (months), mean (range) | 13.4 (11–15) |