Table 3 Demographic characteristics of childcare facility EHEC outbreak-related cases, 2010–2013, Japan. All outbreaks listed below in the table refer to childcare facility-related outbreaks
From: Enterohemorrhagic Escherichia coli outbreaks related to childcare facilities in Japan, 2010–2013
Total | 2010–2011 | 2012–2013 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Symptomatic (n) | Asymptomatic (n) | Total (n) | Symptomatic (%) | Symptomatic (n) | Asymptomatic (n) | Total (n) | Symptomatic (%) | Symptomatic (n) | Asymptomatic (n) | Total (n) | Symptomatic (%) | |
Male | 197 | 287 | 484 | (41 %) | 54 | 46 | 100 | (54 %) | 143 | 241 | 384 | (37 %) |
Female | 196 | 355 | 551 | (36 %) | 50 | 68 | 118 | (42 %) | 146 | 287 | 433 | (34 %) |
Age in years | ||||||||||||
<7, childcare facility | 329 | 432 | 761 | (43 %) | 75 | 66 | 141 | (53 %) | 254 | 366 | 620 | (41 %) |
<7, family | 10 | 6 | 16 | (63 %) | 3 | 2 | 5 | (60 %) | 7 | 4 | 11 | (64 %) |
7–19, family | 16 | 37 | 53 | (30 %) | 6 | 4 | 10 | (60 %) | 10 | 33 | 43 | (23 %) |
20–49, family | 23 | 97 | 120 | (19 %) | 15 | 22 | 37 | (41 %) | 8 | 75 | 83 | (10 %) |
≧50, family | 2 | 26 | 28 | (7 %) | 0 | 8 | 8 | (0 %) | 2 | 18 | 20 | (10 %) |
Others a | 13 | 44 | 57 | (23 %) | 5 | 12 | 17 | (29 %) | 8 | 32 | 40 | (20 %) |