Table 2.

Prevalence of positive N. meningitidis carriage by age group.

	1–4 years N = 323	5–9 years N = 213	10–14 years N = 160	15–19 years N = 127	20–24 years N = 144	Total N = 967
	n (%) 95% CI	n (%) 95% CI	n (%) 95% CI	n (%) 95% CI	n (%) 95% CI	n (%) 95% CI
Positive for N. meningitidis	20 (6.2) 3.8–9.4	18 (8.5) 5.1–13.0	20 (12.5) 7.8–18.6	16 (12.6) 7.4–19.7	13 (9) 4.9–14.9	87 (9) 7.3–11.0

N, total number of subjects in a given age category; n, number of subjects in a given laboratory result category; 95% CI, 95% confidence interval.