Table 2 Proportions of children infected with hookworm and Ascaris lumbricoides, and average intensity of infections at baseline and 15 months after treatment (n = 1141), by treatment group

 Baseline (Feb–Jun 2013)

58.7 (50.3–68.5)

59.9 (52.5–68.4)

111 (67–185)

180 (98–330)

 15-month follow-up (Sept 2014)

18.3 (14.4–23.3)

5.7 (4.2–7.7)

126 (47–336)

7 (3–15)

 Relative reduction (%)

68.8

90.5

Increase: 13.5

96.1

Odds ratio (95% CI)

0.09 (0.07–0.13)

0.02 (0.01–0.04)

0.59 (0.31–1.14)

0.03 (0.02–0.07)

  P ¹

<0.001

<0.001

0.116

<0.001

 Baseline (Feb–Jun 2013)

56.7 (46.7–66.4)

55.7 (47.9–66.9)

3 234 (2 539–4 119)

2 606 (1 968–3 449)

 15-month follow-up (Sept 2014)

23.3 (17.6–30.8)

6.2 (3.7–10.5)

2 504 (1 717–3 651)

117 (56–244)

 Relative reduction (%)

58.9

88.7

22.6

95.5

 Odds ratio (95% CI)

0.09 (0.06–0.13)

0.01 (0.01–0.03)

0.64 (0.57–1.10)

0.01 (0.01–0.04)

  P ¹

<0.001

<0.001

0.095

<0.001