Table 1.
Characteristics of survey population by evaluation unit, Global Trachoma Mapping Project, Viet Nam, 2014.
| Province | Districts in evaluation unit | Population (2009)13 | Evaluation Unit | Justification for survey |
|---|---|---|---|---|
| Vinh Phuc | Vinh Tuong | 189,000 | 1 | Both districts had baseline prevalence of TF>10% in 2001 and both had interventions |
| Me Linh | 192,000 | |||
| Yen Lac | 145,000 | 2 | Baseline (2001) <10% but 2005 MoH survey showed communes between 7.3–13.5% | |
| Binh Xuyen | 108,000 | |||
| Lap Thach | 118,000 | |||
| Ha Tinh | Can Loc | 128,000 | 3 | Both districts >10% in 2001 baseline and both had intervention |
| Nghi Xuan | 98,000 | |||
| Hoa Binh | Kim Boi | 114,000 | 4 | Both districts >10% in 2001 baseline and both had intervention |
| Yen Thuy | 60,000 | |||
| Hung Yen | Van Lam | 113,000 | 5 | District >10% in 2001 baseline and had intervention |
| Yen Bai | Van Chan | 144,000 | 6 | Both districts >10% in 2001 baseline and both had intervention |
| Yen Bai town | 91,000 | |||
| Luc Yen | 102,000 | 7 | Baseline >10% but no intervention | |
| Van Yen | 27,000 | 2005 MoH >10% + intervention | ||
| Vinh Long | Tam Binh | 154,000 | 8 | Baseline 9.5% and 10.1% but no intervention |
| Vung Liem | 159,000 | |||
| Hà Giang | Bac Quang | 45,000 | 9 | 2005 MoH survey of communes between 7.0–17.2%; intervention in 2 districts |
| Yen Minh | 78,000 | |||
| Bac Me | 47,000 | |||
| Ninh Thuan | Ninh Hai | 89,000 | 10 | Baseline survey 5.3–5.8% in southern Viet Nam (intervention in one) |
| Ninh Phuoc | 135,000 | |||
| Binh Thuan | Ham Tan | 69,000 | 11 | Baseline surveys 7.8–7.9%, no intervention |
| Tuy Phong | 140,000 | |||
| Bac Binh | 117,000 |