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Table 1 Characteristics of 346 CHIKV-infected subjects ≥ 15 years of age assessed for Chikungunya rheumatism in the TELECHIK study, La Réunion, 2007 to 2008

From: Predictors of Chikungunya rheumatism: a prognostic survey ancillary to the TELECHIK cohort study

Characteristics

Number

Unweighted*

proportion, %

Weighted**

proportion, %

Gender

   

Male

131

37.9

37.9

Female

215

62.1

62.1

Age

   

15 to 29 yrs

59

17.1

21.4

30 to 44 yrs

90

26.0

33.3

45 to 59 yrs

97

28.0

26.5

≥ 60 yrs

100

28.9

18.8

Body mass index

   

< 25.0 kg/m2

182

52.9

51.1

25.0 to 29.9 kg/m2

119

34.6

34.9

≥ 30.0 kg/m2

43

12.5

13.9

Sites of arthralgia at disease onset

   

Hand

262

75.7

76.9

Wrist

254

73.4

74.0

Elbow

156

45.1

52.3

Shoulder

195

56.4

57.0

Neck

165

47.7

46.9

Upper back

160

46.2

45.1

Lower back

163

47.1

47.9

Hip

95

27.5

27.6

Knee

234

67.6

66.9

Ankle

259

74.9

76.3

Foot

253

73.1

73.9

Sites of arthralgia at disease onset, n

   

1

21

6.1

5.3

2 to 5

118

34.1

33.8

≥ 6

207

59.8

60.0

  1. *Percentages are calculated roughly in the subsample of the 346 analyzed subjects; **percentages are calculated taking into account the multistage sampling scheme.