Table 3 Effects of vitamin A supplementation on intensities of STH reinfection after 3 and 6 months of the interventions among Aboriginal schoolchildren *

Ascaris

n.s.

Vitamin A

19,869 (9,744)

896 (263)^a,1

14,867 (5,246)

Placebo

16,072 (8,151)

1,339 (519)^a,1

13,368 (6,367)

Total

17,978 (8,473)

1,112 (411)^a,1

14,113 (5,415)

Trichuris

n.s.

Vitamin A

5,474 (2,031)

439 (190)^a,1

2,859 (799)^a,2

Placebo

5,624 (3,449)

722 (240)^a,1

3,678 (562)^a,2

Total

5,548 (3,230)

579 (212)^a,1

3,270 (622)^a,2

Hookworm

n.s.

Vitamin A

59 (20)

9 (8)^a,1

14 (11)^a,2

Placebo

57 (19)

6 (7)^a,1

11 (8)^a,2

Total

58 (17)

7 (4)^a,1

12 (5)^a,2