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Table 2 Crude weighted rates and prevalence ratios of self-reported symptoms/CHIKV status, TELECHIK survey, La Réunion Island population, November 2007 to May 2008

From: Perceived morbidity and community burden after a Chikungunya outbreak: the TELECHIK survey, a population-based cohort study

Symptoms (%)

Seronegative (CHIK-), %

Seropositive (CHIK+), %

Crude prevalence ratio

95% CI

Pvalue

Musculoskeletal pain

17.1

42.8

2.5

1.9 to 3.1

<0.001

Fatigue

46.4

53.6

1.1

1.0 to 1.3

0.04

Light cerebral disorders

57.0

75.3

1.3

1.1 to 1.5

<0.001

Headache

20.0

25.9

1.3

1.0 to 1.7

0.05

Sleep disorders

24.1

31.2

1.3

1.0 to 1.7

0.02

Memory troubles

25.4

42.2

1.7

1.3 to 2.0

<0.001

Attention difficulties

19.9

37.1

1.9

1.4 to 2.3

<0.001

Mood disturbance

23.7

38.4

1.6

1.3 to 2.0

<0.001

Depression

8.0

14.7

1.8

1.2 to 2.7

0.002

Sensorineural disorders

37.2

48.8

1.4

1.1 to 1.5

0.001

Blurred vision

30.2

42.0

1.4

1.1 to 1.7

<0.001

Hearing difficulties

13.0

17.8

1.4

0.9 to 1.9

0.05

Digestive disorders

15.0

18.3

1.2

0.8 to 1.7

0.21

Dermatological disorders

34.2

36.1

1.2

0.8 to 1.7

0.205

Skin lesions

17.2

19.9

1.2

0.8 to 1.5

0.33

Alopecia

21.4

21.9

1.0

0.7 to 1.3

0.835

  1. The weighted rates of the symptoms are expressed as percentages. Chikungunya status is defined by specific anti-CHIKV IgG antibodies.