Appendix. Table 3. Model for measuring intragastrointestinal sequelae in children and young adults after infective gastrointeritis*.

Variables in model	Category	p value	HR (95% CI)
Previous history of an enteric infection	Yes	<0.0001	1.517 (1.421–1.621)
Age, y, at enteric infection or proxy	–	<0.0001	1.121 (1.113–1.129)
Accessibility to services	Highly accessible	<0.0001	1.000
	Accessible	0.0024	1.112 (1.038–1.190)
	Moderately accessible	0.0394	1.073 (1.003–1.148)
	Remote	0.5996	0.971 (0.868–1.085)
	Very remote	0.0002	0.858 (0.792–0.930)
Born in hospital	Yes	<0.0001	0.750 (0.663–0.849)
Mother’s region of birth	Australia	<0.0001	1.000
	New Zealand	0.0001	0.708 (0.594–0.845)
	United Kingdom	0.0121	0.901 (0.831–0.978)
	North America	0.2124	0.751 (0.479–1.178)
	Europe (N,S, and W)	0.1709	0.896 (0.766–1.048)
	Eastern Europe, former USSR, and Baltic States	0.3864	0.860 (0.611–1.210)
	Africa	0.0233	0.761 (0.602–0.964)
	Central /Southern America and Caribbean	0.1062	1.338 (0.940–1.903)
	Melanesia, Micronesia, and Polynesia	0.4165	0.735 (0.351–1.543)
	Asia	<0.0001	0.575 (0.503–0.657)
	Middle East	0.3952	0.860 (0.608–1.217)
Ever had a hospitalization for a concurrent illness	Yes	<0.0001	1.847 (1.580–2.158)

*HR, hazard ratio; CI, confidence interval; –, not applicable. Model for intragastrointestinal sequelae was significantly different from other models.