. Author manuscript; available in PMC: 2021 Mar 8.

Published in final edited form as: J Rheumatol. 2019 Jul 1;47(8):1267–1274. doi: 10.3899/jrheum.190162

Table 1.

Baseline demographic characteristics of serologically confirmed CHIKV study participants classified by joint pain status.

Characteristics	All CHIKV Cases, n = 82	Persistent Joint Pain, n = 67	No Persistent Joint Pain, n = 15
Age at baseline, yrs, mean ± SD, yrs	51 ± 14	52 ± 14	46 ± 17
Female	70 (86)	57 (85)	13 (87)
Education level
High school or more	56 (68)	44 (66)	12 (80)
Time since onset, mos, mean ± SD	40 ± 4	40 ± 4	40 ± 2
Prior arthritis	2 (2.5)	2 (3)	0 (0)

Values are n (%) unless otherwise indicated. CHIKV: chikungunya virus.