Table 1.

Characteristics of studies included in the analysis

Study	Location	Initial number	Number of follow-ups	Follow-up time (months)	CHIKV genotype	% Female	Median age (years)	Age category	In-person/ telephone
(Anwar et al., 2020)	Bangladesh	48	5	12	ECSA/IOL	52	32	<40	In-person
(Bertolotti et al., 2020)	Martinique	167	3	12	Asian	64	>50	≥40	Phone
(Chopra et al., 2012)	India	509	3	22.5	ECSA/IOL	56	25–44	<40	In-person
(de Moraes et al., 2020)	Brazil	134	5	12	ECSA/IOL	60	39	<40	In-person
(Feldstein et al., 2017)	US Virgin Islands	165	2	12	Asian	65	52	≥40	Phone
(Huits et al., 2018)	Aruba	171	4	12	Asian	68	49	≥40	Phone
(Kelvin et al., 2011)	Italy	50	2	12	ECSA/IOL	-	-	-	In-person
(Kularatne et al., 2012)	Sri Lanka	512	4	36	ECSA/IOL	54	<33	<40	In-person
(Manimunda et al., 2010)	India	203	2	10	ECSA/IOL	53	35	<40	In-person
(Mohd Zim et al., 2013)	Malaysia	40	2	15	ECSA/IOL	58	>40	≥40	Phone
(Moro et al., 2012)	Italy	250	2	12.5	ECSA/IOL	54	>60	≥40	In-person
(Murillo-Zamora et al., 2017)	Mexico	136	2	6	Asian	68	40–64	≥40	Phone
(Peters et al., 2018)	Sint Maarten	56	3	15	Asian	54	47	≥40	Phone
(Sosa-Martínez et al., 2018)	Mexico	116	6	18	Asian	67	51	≥40	In-person
(Chang et al., 2018; Tritsch et al., 2020)	Colombia	494	2	40	Asian	80	49	≥40	Phone
(van Genderen et al., 2016)	Suriname	98	2	6	Asian	68	32	<40	Phone

CHIKV, chikungunya virus; ECSA, Central/South African; IOL, Indian Ocean lineage.