Table 1.

Rate of diarrhoeal disease reported for different groups

	Events (N)	Denominator (number of people)	2-week prevalence (%)	Person-years	Rate (episodes per person-year (95% CI))
Overall	87	1640	5.3	62.9	1.4 (1.1–1.7)
Acute (< 14 days)	81	1640	4.9	62.9	1.3 (1.0–1.6)
Persistent (≥14 days)	6	1640	0.4	62.9	0.1 (0.0–0.2)
Respondents	36	374	9.6	14.3	2.5 (1.8–3.5)
Other household members	51	1266	4.0	48.6	1.0 (0.8–1.4)
< 5 years	7	169	4.1	6.5	1.1 (0.4–2.2)
5–15 years	16	310	5.2	11.9	1.3 (0.8–2.2)
>  15 years	64	1171	5.5	44.9	1.4 (1.1–1.8)