From: The global limits and population at risk of soil-transmitted helminth infections in 2010
 |  | Number of pairs | |||
---|---|---|---|---|---|
Total | U ≥ R | U < R | p j | ||
Global a | Â | Â | Â | Â | Â |
 Hookworm |  | 57 | 22 | 35 | <0.001 |
 A. lumbricoides |  | 57 | 32 | 25 | 0.5 |
 T. trichiura |  | 57 | 26 | 31 | 0.5 |
By urban sanitation coverage b | |||||
 Hookworm | <30% c | 10 | 5 | 5 | 0.8 |
 | 30-50% d | 39 | 14 | 25 | <0.001 |
 | >50% e | 8 | 3 | 5 | 0.06 |
 A. lumbricoides | <30% c | 10 | 3 | 7 | 0.3 |
 | 30-50% d | 39 | 25 | 14 | 0.9 |
 | >50% e | 8 | 3 | 4 | 0.6 |
 T. trichiura | <30% c | 10 | 4 | 6 | 0.5 |
 | 30-50% d | 39 | 18 | 21 | 0.6 |
 | >50% e | 8 | 3 | 4 | 0.7 |
By GINI coefficient f | |||||
 Hookworm | <30% g | 14 | 6 | 8 | 0.1 |
 | 30-50% h | 37 | 12 | 22 | 0.005 |
 | >50% i | 6 | 1 | 5 | 0.05 |
 A. lumbricoides | <30% | 14 | 8 | 6 | 0.5 |
 | 30-50% h | 37 | 22 | 15 | 0.5 |
 | >50% i | 6 | 2 | 4 | 0.1 |
 T. trichiura | <30% g | 14 | 5 | 9 | 0.9 |
 | 30-50% h | 37 | 18 | 19 | 0.4 |
 | >50% i | 6 | 3 | 3 | 0.5 |