Table 4. Frequency of live poultry market visits among 2,058 residents in Shenzhen, China, 2007.
| Male (n = 1003) | Female (n = 1055) | Total No. of visits in subjects selected in the survey | |||||
| No. (%) | No. (%) | ||||||
| 5–18 | 19–59 | ≥60 | 5–18 | 19–59 | ≥60 | ||
| (n = 198) | (n = 767) | (n = 38) | (n = 151) | (n = 849) | (n = 55) | ||
| Never visited | 151 (74) | 522 (68) | 23 (60) | 124 (83) | 436 (52) | 28 (51) | – |
| Visited* | |||||||
| ≤1/year | 7 (4) | 14 (2) | 1 (3) | 3 (2) | 26 (3) | 0 (0) | 51 |
| 3–5/year | 9 (5) | 41 (5) | 0 (0) | 3 (2) | 59 (7) | 3 (5) | 460 |
| 6–11/year | 3 (2) | 12 (2) | 1 (3) | 1 (1) | 9 (1) | 1 (2) | 216 |
| 1–3/month | 16 (8) | 64 (8) | 2 (5) | 8 (5) | 100 (12) | 5 (9) | 4,680 |
| 1–2/week | 3 (2) | 39 (5) | 3 (8) | 5 (3) | 62 (7) | 2 (4) | 5,928 |
| 3–5/week | 2 (1) | 15 (2) | 1 (3) | 2 (1) | 26 (3) | 3 (5) | 10,192 |
| 1/day | 7 (4) | 60 (8) | 7 (18) | 5 (3) | 131 (15) | 13 (24) | 81,395 |
| Subtotal visited | 47 (26) | 245 (32) | 15 (40) | 27 (17) | 413 (48) | 27 (49) | 102,922 |
| Average annual visits among residents | 50 | ||||||
| Adjust average annual visits among residents§ | 47.2 | ||||||
*Standardized number of visiting per unit time: 1 was attributed to reporting ≤1 live poultry market visit per year; 4 to reporting 3–5 times/year; 8 to reporting 6–11 times/year; 24 to reporting 1–3 times/month; 52 to reporting 1–2 times/week; 208 to reporting 3–5 times/week; and 365 to those reporting ≥1/day annually.
§
The average annual household visits was weighted by age and sex based on the National Census in 2000.