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Table 2 Risk factors of the population older than 11 years of age in the municipalities studied

From: Human T-lymphotropic virus 1aA circulation and risk factors for sexually transmitted infections in an Amazon geographic area with lowest human development index (Marajó Island, Northern Brazil)

Risk factors

SSBV

Anajás

Portel

Chaves

Total

n

(%)

n

(%)

n

(%)

n

(%)

n

(%)

Do you know what STDs are?

 No

127

(58.80)

142

(67.62)

287

(57.06)

146

(56.15)

702

(59.04)

 Yes

89

(41.20)

68

(32.38)

216

(42.94)

114

(43.85)

487

(40.96)

 NR*

60

 

64

 

93

 

44

 

261

 

Do you use condoms?

 Always

43

(20.00)

53

(25.73)

112

(23.58)

59

(24.08)

267

(23.40)

 Never

106

(49.30)

94

(45.63)

204

(42.95)

93

(37.96)

497

(43.56)

 Sometimes

66

(30.70)

59

(28.64)

159

(33.47)

93

(37.96)

377

(33.04)

 NR*

61

 

68

 

121

 

59

 

309

 

Do you have a steady partner?

 Yes

162

(75.00)

162

(76.42)

367

(77.59)

186

(75.92)

877

(76.53)

 No

54

(25.00)

50

(23.58)

106

(22.41)

59

(24.08)

269

(23.47)

 NR*

60

 

62

 

123

 

59

 

304

 

Sexual orientation

 Homosexual

3

(1.33)

18

(8.87)

23

(4.80)

5

(2.03)

49

(4.25)

 Heterosexual

221

(98.22)

184

(90.64)

452

(94.36)

240

(97.56)

1097

(95.14)

 Bisexual

1

(0.44)

1

(0.49)

4

(0.84)

1

(0.41)

7

(0.61)

 NR*

51

 

71

 

117

 

58

 

297

 

Do you use illicit drugs?

 Yes

6

(3.24)

15

(6.79)

17

(3.70)

5

(1.91)

43

(3.81)

 No

179

(96.76)

206

(93.21)

443

(96.30)

257

(98.09)

1085

(96.19)

 NR*

91

 

53

 

136

 

42

 

322

 

Are you sexually active?

 Yes

173

(74.25)

166

(71.86)

391

(73.36)

211

(77.29)

941

(74.09)

 No

60

(25.75)

65

(28.14)

142

(26.64)

62

(22.71)

329

(25.91)

 NR*

43

 

43

 

63

 

31

 

180

 

Age of sexual debut

 10–15 years

68

(31.63)

82

(40.59)

184

(39.48)

98

(41.18)

432

(38.54)

 16–20 years

121

(56.28)

100

(49.50)

249

(53.43)

125

(52.52)

595

(53.08)

 21–25 years

20

(9.30)

17

(8.42)

28

(6.01)

11

(4.62)

76

(6.78)

  > 25 years

6

(2.79)

3

(1.49)

5

(1.07)

4

(1.68)

18

(1.61)

 NR*

61

 

72

 

130

 

66

 

329

 

Sex with sex workers

 Yes

8

(4.08)

20

(9.90)

29

(6.58)

14

(5.88)

71

(6.59)

 No

188

(95.92)

182

(90.10)

412

(93.42)

224

(94.12)

1006

(93.41)

 NR*

80

 

72

 

155

 

66

 

373

 
  1. * NR: not reported