Table 1.

Categories for the count of cases for each pathogen for univariate and multivariable analysis

Pathogen	Categories for the count of cases
	Univariate analysis	Multivariable analysis
Campylobacter	0–5, 6–10, ≥11	0, 1, ≥2
Giardia	0, 1, 2, ≥3	0, 1, ≥2
Norovirus	0, 1, 2, ≥3	0, 1, ≥2
Non-typhoidal Salmonella	0, 1, 2, ≥3	0, 1, ≥2
Salmonella typhi/paratyphi	0, 1, ≥2	0, 1, ≥2
Shigella flexneri	0, 1, ≥2	0, 1, ≥2
Shigella sonnei	0, 1, ≥2	0, 1, ≥2
Other Shigella	0, 1, ≥2	0, 1, ≥2