From: Epidemiological survey of echinococcosis in Tibet Autonomous Region of China
 | Surveyed population | No. of cases | Constituent ratio/% | Positive rate/% (95% CI) |
---|---|---|---|---|
Occupation | Â | Â | Â | Â |
 Herdsman | 18 759 | 686 | 50.04 | 3.66 (3.39–3.93) |
 Monks | 345 | 12 | 0.88 | 3.48 (1.55–5.41) |
 Farmer/herdsman | 10 078 | 175 | 12.76 | 1.74 (1.48–2.00) |
 Houseworker | 879 | 12 | 0.88 | 1.37 (0.60–2.14) |
 Farmer | 31 369 | 364 | 26.55 | 1.16 (1.04–1.28) |
 Student | 9467 | 79 | 5.76 | 0.83 (0.65–1.01) |
 Public officer | 2104 | 21 | 1.53 | 1.00 (0.57–1.43) |
 Others | 7383 | 22 | 1.60 | 0.30 (0.18–0.42) |
Educational level | ||||
 Illiterate | 46 112 | 968 | 70.61 | 2.10 (1.97–2.23) |
 Elementary school | 26 331 | 303 | 22.10 | 1.15 (1.02–1.28) |
 Junior high school | 5383 | 69 | 5.03 | 1.28 (0.98–1.58) |
 High school | 970 | 17 | 1.24 | 1.75 (0.92–2.58) |
 College and above | 1588 | 14 | 1.02 | 0.88 (0.42–1.34) |
Type of area | ||||
 Pastoral area | 25 098 | 660 | 48.14 | 2.63 (2.43–2.83) |
 Pastoral and farm area | 33 482 | 487 | 35.52 | 1.45 (1.32–1.58) |
 Farm area | 17 696 | 183 | 13.35 | 1.03 (0.88–1.18) |
 Urban area | 4108 | 41 | 2.99 | 1.00 (0.70–1.30) |