Table 1:

Logistic regression for the outcome of having anti-N positive serology.

		adjusted Odds Ratio	(95% CI)
Sex	Female	Ref
	Male	0.85	0.77	0.92
Age category	0-16 years	Ref
	17-49 years	1.55	1.30	1.85
	50-69 years	1.04	0.S7	1.24
	≥ 70 years	0.56	0.45	0.70
Serology round	1	Ref
	2	1.96	1.76	2.19
	3	3.89	3.47	4.36
Subdistrict of residence	Eastern	Ref
	Khayelitsha	1.59	1.33	1.90
	Klipfontein	1.29	1.08	1.55
	Mitchells Plain	1.08	0.91	1.28
	Northern	0.93	0.75	1.14
	Southern	0.90	0.75	1.07
	Tygerberg	0.81	0.68	0.97
	Western	0.99	0.84	1.18