Table 2. Molecular force of infection (FOI) by clone and by infection event, stratified by age and sex.

Molecular force of infection (FOI)	Sex	Age category
		All	<5 years	5–15 years	16 years or older
By clone, ppy* (95% CI)	All	0.18 (0.13–0.24)	0.14 (0.07–0.28)	0.19 (0.08–0.43)	0.20 (0.08–0.46)
	Male	0.19 (0.12–0.30)	0.16 (0.07–0.39)	0.19 (0.10–0.37)	0.22 (0.09–0.54)
	Female	0.17 (0.09–0.31)	0.12 (0.03–0.49)	0.19 (0.08–0.45)	0.18 (0.06–0.54)
By event, ppy* (95% CI)	All	0.14 (0.11–0.18)	0.09 (0.06–0.16)	0.16 (0.09–0.30)	0.16 (0.08–0.32)
	Male	0.16 (0.11–0.22)	0.13 (0.07–0.27)	0.18 (0.11–0.28)	0.15 (0.07–0.29)
	Female	0.13 (0.08–0.21)	0.06 (0.02–0.18)	0.14 (0.07–0.27)	0.17 (0.07–0.41)

*per person-year.