Table 1.
Evaluation units (EUs) for the National Trachoma Assessment, Lao People’s Democratic Republic, 2013–2014.
| EU | Province | Surface area, km2 | Population, n |
|---|---|---|---|
| 1 | Attapeu | 10,320 | 123,816 |
| 2 | Bokeo | 6196 | 158,696 |
| 3 | Bolikhamsai | 14,863 | 247,556 |
| 4a | Champasak A (Pakse, Phonethong, Soukhouma, Mounlapamok, & Khong districts) | 15,415 | 337,129 |
| 5 | Champasak B (Xanasomboun, Bachieng, Pakxong, Pathoumphone, & Champasak districts) | 293,739 | |
| 6 | Hua Phan | 16,500 | 288,287 |
| 7 | Khammouane | 16,315 | 353,535 |
| 8 | Luang Namtha | 9325 | 281,439 |
| 9 | Luang Prabang | 16,875 | 413,165 |
| 10 | Oudomxay | 15,370 | 281,439 |
| 11 | Phongsali | 16,270 | 166,635 |
| 12 | Sayabouly | 16,389 | 360,187 |
| 13 | Salavan | 10,691 | 358,761 |
| 14a | Savannakhet A (Artsaphangthong, Phin, Sepone, Nong, Tharpangthong, Xonbouly, Vilabouly, Artsaphone & Phalanxay districts) | 21,774 | 503,063 |
| 15 | Savannakhet B (Kaisone, Outhoumphone, Songkhone, Champhone, Xaybouly & Xayphouthong districts) | 369,096 | |
| 16 | Sekong | 7665 | 98,481 |
| 17a | Vientiane Prefecture (Naxaythong, Xaythany, Hadxayfong, Santhong & Pakngeum districts) | 392,234 | |
| 18 | Vientiane Province | 15,927 | 453,983 |
| 19 | Xieng Khouang | 15,880 | 258,742 |
aThese EUs are mostly urban and were not surveyed.