Bulletin of the World Health Organization

Is mass treatment the appropriate schistosomiasis elimination strategy?

Veronica L Tallo, Hélène Carabin, Portia P Alday, Ernesto Jr Balolong, Remigio M Olveda, Stephen T McGarvey

Volume 86, Number 10, October 2008, 765-771

Table 1. Participation in mass treatment for schistosomiasis and proportion odds ratios associated with sociodemographic characteristics, among members of 50 barangays of Samar province, the Philippines, 2004

Variable Number who participated Percentage who participated Proportion odds ratio (95% CI)
Gender
Male 7 822 49.2 1.05 (1.00–1.10)
Female 6 856 48.0
Age in years
5–10 4 079 62.8 Reference
> 10–16 2 885 54.8 0.72 (0.68–0.77)
> 16–40 4 096 39.5 0.39 (0.36–0.41)
> 40 3 618 45.0 0.48 (0.45–0.52)
STEP participant
Yes 3 644 60.8 1.85 (1.74–1.96)
No 11 034 47.6 Reference
Parasitological test conducted
Yes and positive for schistosomiasis 1 049 87.4 9.40 (7.89–11.22)
Yes and negative for schistosomiasis 3 666 66.2 2.65 (2.49–2.82)
No 9 963 42.5 Reference

Barangay, village; CI, confidence interval; STEP, Schistosomiasis Transmission and Ecology in the Philippines.

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