Table 6.

Association between individual-level knowledge and the cumulative incidence of SC among 2,211 individuals providing both serum at the baseline and pre-randomization 18-month follow-up visits in 60 villages of Burkina Faso

		SC
Variable		Total	n, SC	CIR (95% CI)
Has heard about porcine CC	Yes	1,290	51 (3.8%)	1.81 (1.04; 3.14)*
	No	770	20 (2.5%)	Ref
Knows where to find cysts in a live pig (under the tongue)	Yes	1,006	45 (4.3%)	2.18 (0.86; 5.52)
	No	243	5 (2.0%)	Ref
Knows how a pig acquires CC (eating human feces)	Yes	68	3 (4.2%)	1.28 (0.40; 4.13)
	No	1,181	47 (3.8%)	Ref
Knows how to recognize a tapeworm infection (see worm in feces)	Yes	606	19 (3.0%)	0.71 (0.39; 1.30)
	No	620	25 (3.9%)	Ref
Knows how humans contract a tapeworm (eating undercooked pork)	Yes	49	2 (3.9%)	1.11 (0.27; 4.54)
	No	1,177	42 (3.4%)	Ref
Tapeworm knowledge/infection	Had it	193	7 (3.5%)	1.22 (0.72; 2.05)
	Heard about, never had it	1,071	38 (3.4%)	1.34 (0.58; 3.11)
	Does not know it	796	26 (3.2%)	Ref

CC = cysticercosis; CIR = cumulative incidence ratio; Ref = reference; SC = seroconversion; 95% CI = 95% Wald confidence interval for fixed effects in mixed models with village as random variable and type of concession, sampling interval, and the variable of interest as fixed effects.

^*P < 0.05.