Table 1. Distribution of survey respondents and attack rate in Cryptosporidium infection outbreak, Östersund, Sweden, 2010–2011.
| Age group, y | No. respondents (%) |
Attack rate % |
||||||
|---|---|---|---|---|---|---|---|---|
| All | Female | Male | All | Women | Men | p value | ||
| 0–9 | 115 (67.3) | 58 (67.4) | 57 (67.1) | 50.9 | 42.6 | 58.9 | 0.09 | |
| 10–19 | 117 (66.5) | 58 (61.1) | 59 (72.8) | 47.2 | 55.6 | 38.5 | 0.08 | |
| 20–29 | 103 (48.8) | 57 (53.8) | 46 (43.8) | 58.0 | 58.2 | 57.8 | 0.97 | |
| 30–39 | 110 (55.8) | 58 (60.4) | 52 (51.5) | 52.8 | 51.9 | 53.8 | 0.84 | |
| 40–49 | 150 (66.7) | 71 (70.3) | 79 (63.7) | 55.0 | 52.9 | 57.0 | 0.62 | |
| 50–59 | 145 (79.2) | 85 (84.2) | 60 (73.2) | 42.1 | 45.1 | 37.9 | 0.40 | |
| 60–69 | 148 (89.2) | 81 (90.0) | 67 (88.2) | 35.3 | 41.3 | 27.6 | 0.10 | |
| >69 | 156 (87.2) | 95 (88.8) | 61 (84.7) | 26.1 | 24.4 | 28.8 | 0.57 | |
| Total | 1,044 (69.2) | 563 (72.0) | 481 (66.3) | 45.2 | 45.1 | 45.4 | 0.94 | |