Volume 23, Number 4—April 2017
Dispatch
Persistent Arthralgia Associated with Chikungunya Virus Outbreak, US Virgin Islands, December 2014–February 2016
Table 2
Variable | No. (%) chikungunya virus case-patients |
No. (%) nonsymptomatic controls at 12-month case-patient follow-up, N = 167* | |
---|---|---|---|
6 months after symptom onset, N = 165 | 12 months after symptom onset, N = 128 | ||
Median age (range), y |
52 (1-96) |
52 (1-92) |
35 (2-78) |
Sex | |||
F | 108 (65) | 82 (64) | 108 (65) |
M |
57 (35) |
46 (36) |
59 (35) |
Employed or a student |
96 (58) |
73 (57) |
125 (75) |
History of self-reported arthritis |
37 (22) |
30 (23) |
28 (17) |
Annual household income <US$50,000 |
– |
82 (64) |
121 (72) |
Joint pain day of interview |
59 (36) |
34 (27) |
14 (8) |
Joint pain within month of interview |
87 (53) |
51 (40) |
26 (16) |
Difficulty performing daily activities | |||
Walking | – | 36 (28) | 20 (12) |
Climbing stairs | – | 40 (31) | 20 (12) |
Lifting heavy objects | – | 27 (21) | 16 (10) |
Getting in and out of cars | – | 27 (21) | 10 (6) |
Opening jars |
– |
33 (26) |
13 (8) |
Sleeping |
27 (31) |
19 (37) |
8 (29) |
Health somewhat/much worse after 1 y |
– |
28 (22) |
16 (10) |
Subsample of participants reporting joint pain within mo of interview | N = 87 | N = 51 | N = 26 |
Persistent arthralgia | 72 (44) | 42 (33) | 20 (12) |
Joint pain frequency | |||
Daily | 42 (48) | 28 (55) | 13 (50) |
2–3 times/wk | 17 (20) | 8 (16) | 5 (19) |
1 time/wk | 13 (15) | 6 (12) | 2 (8) |
<1 time/wk | 12 (14) | 9 (18) | 6 (23) |
Not known |
3 (3) |
0 |
0 |
Symmetrical joint pain |
27 (31) |
14 (27) |
7 (27) |
Joint pain time of day | |||
Morning | 16 (18) | 12 (24) | 2 (8) |
Day | 10 (11) | 5 (10) | 1 (4) |
Night | 11 (13) | 6 (12) | 5 (19) |
Morning and night | 5 (6) | 2 (4) | 1 (4) |
Present at all times or activity dependent | 43 (49) | 23 (45) | 15 (58) |
Not known |
2 (2) |
3 (6) |
2 (8) |
Worst time of day for joint pain | |||
Morning | 29 (33) | 21 (41) | 3 (12) |
Day | 9 (10) | 7 (14) | 1 (4) |
Night | 20 (23) | 8 (16) | 8 (31) |
Morning and night | 3 (3) | 3 (6) | 0 |
Present at all times or activity dependent | 23 (26) | 8 (16) | 12 (46) |
Not known | 3 (3) | 4 (8) | 2 (8) |
*Values are no. (%) except as indicated. –,data not obtained.
Page created: March 16, 2017
Page updated: March 16, 2017
Page reviewed: March 16, 2017
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