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. Author manuscript; available in PMC: 2016 Apr 1.
Published in final edited form as: Sex Transm Dis. 2015 Apr;42(4):192–197. doi: 10.1097/OLQ.0000000000000254

TABLE 2.

Multivariate Associations Between Select Factors and Having an STD: 14- to 19-Year-Old Black Female Teenagers Accessing Reproductive Health Services at a Publically Funded Clinic in Atlanta, GA

Category-Specific Models * Final Model (Nagelkerke R2 = 0.131),
OR (95%CI)

OR (95% CI)
Risk Behaviors (Nagelkerke R2 = 0.035)
  Initiated vaginal sex by age 15 y
    No 1.0 (referent) 1.0 (referent)
    Yes 1.74 (0.96–3.17) 1.87 (1.02–3.44)§
  Lifetime no. sex partners
    1–2 1.0 (referent)
    3–6 1.19 (0.66–2.16)
    ≥7 1.33 (0.66–2.69)
  Provider ever told her she had STD
    No 1.0 (referent)
    Yes 1.27 (0.77–2.11)
Perceptions of STDs (Nagelkerke R2 = 0.052)
  Worry about STDs, past 6 mo
    No 1.0 (referent)
    Yes 1.43 (0.87–2.37)
  Perceived burden of having an STD, next 6 mo
    Could deal with it 1.0 (referent) 1.0 (referent)
    Worst that could happen 0.52 (0.30–0.91)§ 0.50 (0.28–0.90)§
  Dirty and/or embarrassed if had an STD, next 6 mo
    Disagree with both 1.00 (referent) 1.00 (referent)
    Disagree with one 0.75 (0.29–1.93) 0.64 (0.23–1.74)
    Agree with both 0.54 (0.25–1.19) 0.44 (0.19–0.99)§
Relationship with most recent partner (Nagelkerke R2 = 0.059)
  Length of sexual relationship
    0–3 mo 1.77 (0.89–3.52) 1.78 (0.88–3.60)
    4–11 mo 1.61 (0.77–3.38) 1.69 (0.79–3.62)
    ≥12 mo 1.0 (referent) 1.0 (referent)
  Serious partner or boyfriend
    No 1.0 (referent)
    Yes 0.75 (0.44–1.25)
  Multiple or concurrent sex partners, past 6 mo
    1 partner 1.0 (referent)
    Serial, multiple partners 1.18 (0.66–2.09)
    Concurrent, multiple partners 1.62 (1.10–2.38)§
  Certain he did not have concurrent sex partners
    Sure he did not have 1.0 (referent)
    Sure he had or uncertain 1.25 (0.70–2.23)
Social factors and age (Nagelkerke R2 = 0.035)
  Lived with father (and mother/other adults)
    No 1.0 (referent) 1.0 (referent)
    Yes 0.52 (0.27–1.03) 0.44 (0.22–0.90)§
  Had paid job, past 6 mo
    No 1.0 (referent)
    Yes (Job Corp, part-time, full-time, sporadic) 0.72 (0.40–1.30)
  Age, y
    14–16 1.0 (referent)
    17–19 0.67 (0.41–1.12)
*

Each of the 4 category-specific models includes variables from that category that were significant at P ≤ 0.10 in bivariate analyses and were adjusted for each other variable in the category.

Adjusted for each other variable for which results are listed.

P ≤ 0.10.

§

P ≤ 0.05.

OR indicates odds ratio.