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Table 1 Social factors associated with results for Syphilis among riverine, in the Brazilian Amazon. 2020–2021

From: Social and individual vulnerability factors associated with syphilis among populations living on islands in the Brazilian Amazon

Social

Rapid test – T. pallidum

Total n (%)

Binary Regression

Multiple regression

Non-reactive n (%)

Reactive n (%)

 

OR (95% CI)

p

aOR (95% CI)

p

Sex

 Male

178(93.7)

12(6.3)

190(58.5)

Ref

   

 Female

128(94.8)

7(5.2)

135(41.5)

0.81 (0.31; 2.11)

0.85

  

Age

 Mean (age)

39.3

52.1

40.0

1.04 (1.01; 1.07)

0.00

1.04 (1.01; 1.07)

0.00

 Age group—18–41

187(96.9)

6(3.1)

193(60.5)

    

 Age group—42–65

71(93.4)

5(6.6)

76(23.8)

    

 Age group -Equal to or greater than 66

43(86.0)

7(14.0)

50(15.7)

    

 NIa

5

1

6

    

Skin color

 Black

69(90.8)

7(9.2)

76(23.8)

2.13 (0.79; 5.72)

0.20

  

 White/brown/yellow

232(95.5)

11(4.5)

243(76.2)

Ref

   

 NIa

5

1

6

    

Marital status

 Married/Stable union/Dating

218(95.6)

10(4.4)

228(70.2)

Ref

   

 Single/Divorced/Widowed

88(90.7)

9(9.3)

97(29.8)

2.22 (0.87;5.67)

0.09

 

0.19

Level of education

 High school/University

138(97.9)

3(2.1)

141(43.4)

Ref

   

 Never attended school/Elementary

168(91.3)

16(8.7)

184(56.6)

4.38 (1.25; 15.3)

0.02

 

0.29

Family income (minimum wage)b

 Up to one

211(95.0)

11(5.0)

222(70.7)

0.54 (0.21; 1.40)

0.31

  

 Equal to or greater than one

84(91.3)

8(8.7)

92(29.3)

Ref

   

 NIa

11

0

11

    

Number of people living in the house

 Up to two people

80(96.4)

3(3.6)

83(25.5)

1.88 (0.53; 6.65)

0.46

  

 Equal to or greater than three

226(93.4)

16(6.6)

242(74.5)

Ref

   

Participate in social programs (beneficiaries of the social programs)

 No

100(91.7)

9(8.3)

109(33.5)

0.53 (0.21; 1.36)

0.28

  

 Yes

206(95.4)

10(4.6)

216(66.5)

Ref

   
  1. OR odds ratio, CI confidence intervals, Ref. reference, aOR adjusted odds ratio
  2. aNI: not informed/do not want/do not know—not considered for statistical calculation
  3. bBrazilian monthly minimum wage 2020—BRL 1,045.00 per month