. Author manuscript; available in PMC: 2008 Aug 1.

Published in final edited form as: Trans R Soc Trop Med Hyg. 2007 Jun 12;101(8):766–772. doi: 10.1016/j.trstmh.2007.04.016

Table 4.

Association of geophagia preference with Ascaris and/or Trichuris and hookworm at baseline, adjusted for possible confounders

	Trichuris (n = 970)			Ascaris (n = 970)			Hookworm (n = 970)
	OR ^a	95% CI	P-value	OR ^a	95% CI	P-value	OR ^a	95% CI	P-value
Geophagia during current pregnancy (none as referent)	1.03	0.567–1.850	0.919	1.45	0.492–4.283	0.499	1.74	0.965–3.154	0.066
Age (years)	0.98^*	0.956–0.996	0.031	0.97	0.933–1.018	0.248	0.98	0.963–1.004	0.106
Urban (rural as referent)	1.24^*	0.987–1.458	0.036	0.96	0.597–1.543	0.865	0.60^*	0.482–0.742	<0.001
No. of durable goods (0–4)	0.98	0.817–1.088	0.771	0.90	0.662–1.215	0.482	0.92	0.785–1.068	0.263
Pit toilet in household (none as referent)	0.49^*	0.320–0.684	<0.001	0.33^*	0.130–0.823	0.018	0.65^*	0.449–0.969	0.028
Formal education (none as referent)	0.65^*	0.492–0.906	0.007	0.62	0.330–1.168	0.140	0.61^*	0.450–0.838	0.002

Odds ratios calculated from logistic regression.

P < 0.05.