Table 1. Demographic characteristics of enrolled participants.

	Adults (19–51 years)		Young adults		Children
	QFT+	QFT-	QFT+	QFT-	QFT+	QFT-
Participants, n	29	26	37	21	20	28
Female, n (%)	19 (66)	19 (73)	21 (57)	10 (48)	9 (45)	15 (54)
Mean age, years	30	32	18	18	8	8
Ethnicity, n (%)
Black African	10 (35)	4 (14)	17 (46)	6 (28)	0 (0)	3 (11)
Mixed race	17 (59)	13 (50)	20 (54)	14 (67)	20 (100)	25 (89)
Caucasian	1 (3)	9 (36)	0 (0)	1 (5)	0 (0)	0 (0)
Indian	1 (3)	0 (0)	0 (0)	0 (0)	0 (0)	0 (0)