Prevalence of soiling and constipation in the Avon Longitudinal Study of Parents and Children study
| 4½ years | 5½ years | 6½ years | 7½ years | 9½ years | ||
| Subset of dataset containing at least one non-missing time points for both soiling and constipation (max n=10 450) | ||||||
| No soiling | 8720 (92.8%) | 8284 (93.8%) | 7752 (92.2%) | 7617 (93.1%) | 7288 (94.8%) | |
| Soiling | 673 (7.2%) | 548 (6.2%) | 654 (7.8%) | 565 (6.9%) | 397 (5.2%) | |
| 4 years 9 months | 5 years 9 months | 6 years 9months | 7 years 7 months | 8 years 7 months | 10 years 8 months | |
| No constipation | 7947 (85.6%) | 7622 (89.6%) | 7580 (89.7%) | 7346 (89.9%) | 7062 (90.2%) | 6631 (90.4%) |
| Constipation | 1342 (14.4%) | 881 (10.4%) | 873 (10.3%) | 822 (10.1%) | 765 (9.8%) | 707 (9.6%) |
| Subset of dataset containing at least three non-missing time points for both soiling and constipation (max n=8435) | ||||||
| No soiling | 7507 (92.8%) | 7518 (94.0%) | 7268 (92.2%) | 7153 (93.2%) | 6801 (94.8%) | |
| Soiling | 585 (7.2%) | 477 (6.0%) | 611 (7.8%) | 525 (6.8%) | 372 (5.2%) | |
| 4 years 9 months | 5 years 9 months | 6 years 9 months | 7 years 7 months | 8 years 7 months | 10 years 8 months | |
| No constipation | 6893 (85.5%) | 7014 (89.7%) | 7086 (89.6%) | 6894 (90.0%) | 6549 (90.5%) | 6194 (90.6%) |
| Constipation | 1173 (14.5%) | 809 (10.3%) | 825 (10.4%) | 766 (10.0%) | 689 (9.5%) | 644 (9.4%) |
| Sample with complete data on all eleven measures (n=4931) | ||||||
| No soiling | 4575 (92.8%) | 4638 (94.1%) | 4568 (92.6%) | 4590 (93.1%) | 4670 (94.7%) | |
| Soiling | 356 (7.2%) | 293 (5.9%) | 363 (7.4%) | 341 (6.9%) | 261 (5.3%) | |
| 4 years 9 months | 5 years 9 months | 6 years 9 months | 7 years 7 months | 8 years 7 months | 10 years 8 months | |
| No constipation | 4244 (86.1%) | 4425 (89.7%) | 4402 (89.3%) | 4426 (89.8%) | 4454 (90.3%) | 4458 (90.4%) |
| Constipation | 687 (13.9%) | 506 (10.3%) | 529 (10.7%) | 505 (10.2%) | 477 (9.7%) | 473 (9.6%) |