Table 1

Socio-demographic characteristics of FSWs from downtown and suburban areas

Characteristics

Downtown (n = 158)

Suburban (n = 166)

Total (n = 324)

χ2rsa

P-value

n

%

n

%

n

%


Age:

mean ± SD (range)

25.3 ± 4.8(15.5-36.2)

25.9 ± 5.1 (16.5-37.1)

25.5 ± 4.9(15.5-37.1)

< 25

88

55.7

84

50.6

172

53.1

0.437

0.748

25 +

70

44.3

82

49.4

152

46.9


Marital status

Never married

76

48.1

70

42.2

146

45.1

0.751

0.483

Married or divorced

82

51.9

96

57.8

178

54.9


Education

<= Middle school

119

75.3

134

81.7

224

78.1

1.076

0.184

High school +

39

24.7

32

19.3

71

21.9


Monthly income (RMB)

< 2500 Yuan

96

60.8

122

73.5

218

67.3

14.432

< 0.050

2500 + Yuan

62

39.2

44

26.5

106

32.7


a: We estimated the ICC as 0.01. Computed adjustments χ2rs to the Pearson chi-square were made as proposed by Rao and Scott [12] that adjusted for the clustering design effect (10 geographic sites).

Cai et al. BMC Public Health 2010 10:377   doi:10.1186/1471-2458-10-377

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