Table 2 Demographic breakdown of sero-epidemiological survey by locations
From: Avian influenza H9N2 seroprevalence among pig population and pig farm staff in Shandong, China
Locations | No. | No. demographic description | |||
|---|---|---|---|---|---|
Median of age (range) | No. of female (%) | Occupation | Average occupational year | ||
Yantai | 55 | 49 (46–60) | 18 (32.7) | Swine farm employee | 5 |
Weifang | 70 | 50 (45–58) | 20 (28.6) | Swine farm employee | 4 |
Binzhou | 42 | 46 (42–55) | 10 (23.8) | Swine farm employee | 8 |
Taian | 40 | 52 (49–61) | 12 (30.0) | Swine farm employee | 3 |
Jining | 38 | 46 (42–57) | 10 (26.3) | Swine farm employee | 5 |
Linyi | 42 | 45 (42–58) | 8 (19.0) | Swine farm employee | 5 |
Taian | 100 | 21 (19–23) | 50 (50.0) | University students | 3 |