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. Author manuscript; available in PMC: 2010 Aug 1.
Published in final edited form as: Public Health. 2009 Aug 4;123(8):557–564. doi: 10.1016/j.puhe.2009.06.012

Table 2.

Prevalence of sexually transmitted diseases (STDs) among young adults aged 18–22 years in 2005–2006 by social and demographic characteristics (n=20,858)

Characteristics Past-year STDs Lifetime STDs

Prevalence of STDs, row % (SE) College students Non-students College students Non-students
Overall prevalence 2.1 (0.21) 2.5 (0.20) 3.3 (0.27) 4.4 (0.25)a

Age (years)
  18–20 1.7 (0.23)b 2.2 (0.23) 2.4 (0.29)c 3.6 (0.31)b
  21–22 2.7 (0.35) 2.9 (0.34) 4.8 (0.50) 5.3 (0.39)

Gender
  Male 0.6 (0.15)c 1.3 (0.18)c 1.0 (0.19)c 2.0 (0.20)c
  Female 3.4 (0.37) 4.1 (0.36) 5.3 (0.46) 7.4 (0.44)

Race/ethnicity
  White 1.9 (0.23) 2.4 (0.29) 2.8 (0.30)c 4.1 (0.35)c
  African American 3.3 (0.50) 3.9 (0.54) 6.4 (0.70) 7.4 (0.81)
  American Indian or Alaska Native 7.1 (3.73) 3.7 (1.58) 8.1 (3.83) 9.1 (3.20)
  Asian, Pacific Islander or Native 1.1 (0.80) 4.5 (2.01) 2.4 (1.33) 5.3 (2.15)
  Hawaiian
  Multiple race 2.5 (1.01) 2.7 (1.30) 4.0 (1.57) 6.5 (2.15)
  Hispanic 2.5 (0.73) 1.8 (0.40) 3.8 (0.88) 2.9 (0.45)

Total annual family income (US$)
  0–19,999 2.0 (0.41) 3.4 (0.41) 3.2 (0.48) 5.8 (0.52)b
  20,000–39,999 2.2 (0.45) 2.2 (0.27) 3.6 (0.58) 3.9 (0.37)
  40,000–74,000 2.2 (0.30) 2.6 (0.48) 3.0 (0.59) 4.5 (0.74)
  ≥75,000 2.2 (0.43) 1.4 (0.60) 3.3 (0.55) 2.6 (0.67)

Survey year
  2005 2.0 (0.24) 2.2 (0.22) 3.1 (0.29) 4.3 (0.33)
  2006 2.2 (0.35) 2.9 (0.34) 3.5 (0.40) 4.6 (0.36)

SE, standard error.

Sample sizes are unweighted numbers; proportions are weighted figures.

a

χ2 test for differences between college students vs non-students: P<0.01.

b

χ2 test for differences between STD status and sociodemographic characteristics: P≤0.01.

c

χ2 test for differences between STD status and sociodemographic characteristics: P≤0.001.