Table 2

Univariate analysis of risk factors for acute gastroenteritis among employees of a company in Shenzhen City, Sep. 14 to Oct. 3 2009
Non-Response Numbers of subjects responding Attack rates
%(n) %(n) Exposed Not exposed Exposed Risk ratio 95% CI#
Cases Total Cases Total Cases Total Yes No
Drink
  DDWD* 0 0 41 162 13 153 25 8.5 3.0 1.7 ~ 5.3
  Bottled water 0 0 1 6 53 309 17 1.7 0.97 0.16 ~ 5.9
Repast time in company
  Breakfast 0.0(1) 0.0(10) 48 274 6 41 18 15 1.2 0.55 ~ 2.6
  Lunch 0 0.0(2) 53 311 1 4 17 25 0.68 0.12 ~ 3.8
  Supper 0 0.0(5) 52 306 2 9 17 22 0.77 0.22 ~ 2.7
  Food taken late at night 0.3(17) 0.3(88) 47 278 7 37 17 19 0.89 0.44 ~ 1.8
Contact with patients 86(25) 49(104) 12 22 17 189 55 9.0 6.1 3.4 ~ 11
  Eating raw and cold food 0 0 13 47 38 236 28 16 1.7 1.0 ~ 3.0

*: DDWD is drinking direct water disposal.

#: 95%CI is 95% certificated interval.

Li et al.

Li et al. BMC Public Health 2013 13:283   doi:10.1186/1471-2458-13-283

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