Table 1.
The incidence and 95% CI of foodborne acute gastroenteritis among participants
| Foodborne gastro-enteritis (n) | Total Participants (n) | Monthly incidence | X2 | P | ||
|---|---|---|---|---|---|---|
| % | (95% CI) | |||||
| Total | 165 | 1516 | 10.9 | (9.4–12.6) | ||
| Gender | ||||||
| male | 64 | 856 | 7.5 | (5.5–9.2) | 23.534 | < 0.001 |
| female | 101 | 660 | 15.3 | (12.6–18.0) | ||
| Age (years) | ||||||
| ≤ 17 | 12 | 76 | 15.8 | (7.9–23.7) | 49.264 | < 0.001 |
| 18~ | 54 | 567 | 9.5 | (7.1–12.0) | ||
| 30~ | 45 | 315 | 14.3 | (10.5–18.1) | ||
| 40~ | 18 | 405 | 4.4 | (2.5–6.4) | ||
| ≥ 50 | 36 | 153 | 23.5 | (17.0–30.7) | ||
| Education | ||||||
| primary school and below | 36 | 381 | 11.3 | (7.9–14.8) | 11.116 | 0.011 |
| junior high school | 49 | 387 | 12.7 | (9.6–16.0) | ||
| high school | 60 | 476 | 12.6 | (9.5–15.5) | ||
| bachelor and above | 20 | 335 | 6.0 | (3.6–8.7) | ||
| Total annual income (CNY) | ||||||
| < 30,000 | 31 | 259 | 12.0 | (8.1–15.8) | 12.033 | 0.007 |
| 30,000–49,999 | 31 | 299 | 10.4 | (7.0–14.0) | ||
| 50,000–89,999 | 65 | 452 | 14.4 | (11.3–17.7) | ||
| ≥ 90,000 | 38 | 506 | 7.5 | (5.3–9.2) | ||
| Residence | ||||||
| urban | 49 | 641 | 7.6 | (5.9–9.8) | 12.017 | 0.001 |
| rural | 116 | 875 | 13.3 | (11.0–15.7) | ||
| Occupation | ||||||
| students and children | 10 | 72 | 13.9 | (6.9–22.2) | 8.233 | 0.312 |
| service personal | 18 | 153 | 11.8 | (7.2–17.6) | ||
| teacher | 9 | 135 | 6.7 | (3.0–11.1) | ||
| medical staff | 18 | 234 | 7.7 | (4.3–11.5) | ||
| peasant worker | 38 | 290 | 13.1 | (9.3–16.6) | ||
| peasant | 27 | 207 | 13.0 | (8.7–17.4) | ||
| worker | 18 | 171 | 10.5 | (5.8–15.2) | ||
| other or unknown | 27 | 254 | 10.6 | (7.5–14.6) | ||