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Table 1 Sociodemographic characteristics and potential risk factors for hepatitis B among the study population (Goiânia, Goiás, Central-West Region of Brazil, 2016)

From: Epidemiology of hepatitis B virus infection in people living in poverty in the central-west region of Brazil

Variables N = 378 %
Age (years), median (IQR) 31.0 (21.0–42.0)
Education (years), median (IQR) 7.0 (5.0–9.0)
Sex
 Male 188 49.7
 Female 190 50.3
Marital status
 Married 224 59.3
 Divorced/separated/widowed 32 8.5
 Single 122 32.3
Sharing of personal objectsa
 No 113 30.0
 Yes 264 70.0
Tattoo
 No 257 68.0
 Yes 121 32.0
Body piercing
 No 427 88.9
 Yes 41 11.1
History of hepatitis in the family
 No 281 87.8
 Yes 39 12.2
History of imprisonmentb
 No 290 81.0
 Yes 68 19.0
Injecting drug useb
 No 374 98.9
 Yes 4 1.1
Alcohol usec
 No 191 50.5
 Yes 187 49.5
Alcoholic dependence
 No 246 69.3
 Yes 109 30.7
Marijuana usec
 No 286 75.7
 Yes 92 24.3
Intranasal cocaine usec
 No 331 87.6
 Yes 47 12.4
Crack usec
 No 347 91.8
 Yes 32 8.2
STIs historyd
 No 337 89.2
 Yes 41 10.8
Treponema pallidum exposure
 Negative 342 90.5
 Positive 36 9.5
Condom usea
 Never 65 18.8
 Sometimes/always 280 81.2
Condom use at last sexual intercourse
 No 261 76.1
 Yes 82 23.9
Anal sexa
 No 215 63.8
 Yes 122 36.2
Sexual relation homosexuala
 No 316 92.4
 Yes 26 7.6
Sexual intercourse with illicit drug usersa
 No 171 49.6
 Yes 174 50.4
Sexual intercourse with sex workersa
 No 265 77.3
 Yes 78 22.7
Sexual intercourse with STIs carriersa
 No 313 91.3
 Yes 30 8.7
Sexual intercourse under the influence of alcohola
 Never 201 58.3
 Sometimes/always 144 41.7
Age of first sexual intercourse, median (IQR) 15.0 (13.0–17.0)
Number of sexual partnersb, median (IQR) 5.0 (3.0–15.0)
Number of sexual partnersa, median (IQR) 1.0 (1.0–1.0)
  1. Abbreviations: IQR Interquartile range
  2. aPrevious 6 months
  3. bLifetime
  4. cPevious month
  5. dPevious 12 months