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Table 3 Multivariate logistic model for associated factors for syphilis-infection among male partners

From: Contact tracing of syphilis-seropositive pregnant women and syphilis-infection among their male partners in Bao'an district, Shenzhen, China

Characteristics Male partners Syphilis-infected
n (%)
Adjusted OR (95%CI) P values
Pregnant women
 TRUST titer
  <1:8 712 115 (16.2) reference
   ≥ 1:8 251 69 (27.5) 2.81 (1.87–4.21) <0.001
 Source of syphilis infection on pregnant women’s reports
  Someone other than the current partner 225 20 (8.9) reference
  Current partner 284 97 (34.2) 5.05 (2.82–9.03) <0.001
  Unknown 454 67 (14.8) 1.61 (0.91–2.88) 0.105
 Number of lifetime partners
  1 345 91 (26.4) reference
   ≥ 2 501 62 (12.4) 0.43 (0.29–0.64) <0.001
  Unknown 117 31 (26.5) 1.01 (0.59–1.73) 0.976
 History of APOs
  No 728 125 (17.2) reference
  Yes 235 59 (25.1) 1.70 (1.14–2.53) 0.009
Partners
 Ethnicity
  Han 939 174 (18.5) reference
  Minority 24 10 (41.7) 4.15 (1.66–10.34) 0.002
 Age at first sex (Years)
   ≤ 20 429 93 (21.7) reference
  >20 342 51 (14.9) 0.57 (0.37–0.87) 0.009
  Unknown 192 40 (20.8) 0.76 (0.46–1.23) 0.256
 Number of lifetime sex partners
  1 311 52 (16.7) reference
   ≥ 2 377 81 (21.5) 1.60 (1.04–2.46) 0.033
  Unknown 275 51 (18.5) 1.26 (0.79–2.03) 0.336
 History of drug abuse
  No 945 177 (18.7) reference
  Yes 18 7 (38.9) 4.07 (1.31–12.64) 0.015