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.