Table 4 Mean number of 20-m lapsa completed by 69 school-aged Bulang children from Yunnan province, P.R. China in mid-2011, in relation to parasitological status, stratified by sex and age group.
T. trichiura | A. lumbricoides | Hookworm | |||||||
|---|---|---|---|---|---|---|---|---|---|
Non-infected (n = 13) | Infected (n = 56) | P - value b | Non-infected (n = 39) | Infected (n = 30) | P - value b | Non-infected (n = 65) | Infected (n = 4) | P - value b | |
Sex | |||||||||
Male (n = 29) | 44.5 (35.8-53.2) | 30.5 (26.4-34.6) | 0.003 | 36.1 (31.1-41.0) | 27.4 (20.4-34.5) | 0.045 | 33.0 (28.7-37.3) | 36.7 (29.3-37.5) | 0.587 |
Female (n = 40) | 26.0 (20.7-31.3) | 22.3 (20.7-23.9) | 0.063 | 24.4 (21.9-26.8) | 21.7 (19.7-23.6) | 0.076 | 23.3 (21.8-24.7) | 12.0 (n.a.) | n.a |
Age (years) | |||||||||
8-10 (n = 22) | 35.3 (0-73.8) | 23.9 (21.7-29.3) | 0.028 | 29.6 (21.6-37.6) | 22.7 (19.2-26.2) | 0.061 | 25.5 (21.7-29.3) | n.r. | n.a. |
11-12 (n = 33) | 28.3 (17.6-38.9) | 25.7 (22.2-29.2) | 0.595 | 28.7 (24.3-33.0) | 21.3 (18.3-24.4) | 0.019 | 25.9 (23.0-28.8) | 27.0 (0-73.5) | 0.841 |
13-15 (n = 14) | 38.3 (25.2-51.5) | 29.6 (24.2-35.1) | 0.115 | 35.1 (26.7-43.5) | 30.2 (19.3-41.1) | 0.408 | 32.8 (26.5-39.0) | 41.0 (n.a.) | n.a. |