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. Author manuscript; available in PMC: 2018 Jul 1.
Published in final edited form as: J Acquir Immune Defic Syndr. 2017 Jul 1;75(Suppl 3):S288–S295. doi: 10.1097/QAI.0000000000001404

TABLE 2.

Met the Last Sex Partner on the Internet, Men Who Have Sex With Men, NHBS, 20 Cities, United States, 2008–2014*

2008 2011 2014



n % n % n % Unadjusted PR (95% CI) Adjusted PR (95% CI)
Overall 1424 19.1 1908 24.3 2617 32.1 1.30 (1.26 to 1.34) 1.30 (1.26 to 1.34)
Age, yrs
  18–24 338 18.0 513 22.9 583 31.5 1.33 (1.25 to 1.41) 1.30 (1.22 to 1.38)
  25–29 311 21.6 399 25.3 678 35.9 1.30 (1.23 to 1.38) 1.32 (1.24 to 1.39)
  30–39 414 20.2 514 28.0 733 35.3 1.32 (1.25 to 1.39) 1.32 (1.25 to 1.38)
  40–49 261 17.8 331 23.1 383 29.3 1.28 (1.20 to 1.37) 1.29 (1.21 to 1.38)
  ≥50 100 16.6 151 19.4 240 23.5 1.19 (1.08 to 1.33) 1.22 (1.10 to 1.35)
Race
  Black 240 13.3 410 19.2 554 24.3 1.34 (1.25 to 1.44) 1.31 (1.23 to 1.41)
  Hispanic§ 336 17.6 508 24.3 702 32.2 1.35 (1.27 to 1.43) 1.32 (1.25 to 1.40)
  White 700 22.8 833 27.4 1133 37.4 1.29 (1.24 to 1.35) 1.30 (1.25 to 1.36)
  Other 146 22.3 153 26.4 212 34.3 1.20 (1.09 to 1.32) 1.22 (1.11 to 1.34)
Annual household income
  0–$19,999 310 13.4 512 19.8 633 24.4 1.33 (1.25 to 1.42) 1.33 (1.25 to 1.42)
  $20,000–$39,999 373 19.4 484 24.5 678 33.9 1.33 (1.26 to 1.41) 1.32 (1.25 to 1.40)
  $40,000–$74,999 415 23.2 495 26.7 679 34.6 1.23 (1.16 to 1.30) 1.24 (1.17 to 1.31)
  $75,000 or more 309 23.7 389 29.3 589 40.0 1.30 (1.23 to 1.38) 1.32 (1.24 to 1.40)
Self-reported HIV status
  HIV positive 181 21.1 245 25.2 421 32.8 1.30 (1.25 to 1.34) 1.31 (1.27 to 1.35)
  HIV negative 1104 19.4 1516 24.8 2060 32.7 1.25 (1.16 to 1.35) 1.28 (1.19 to 1.38)
  HIV unknown 139 15.3 147 19.0 136 24.1 1.26 (1.12 to 1.41) 1.25 (1.12 to 1.40)
City
  Atlanta, GA 74 22.9 129 27.9 138 31.5 1.17 (1.02 to 1.34) 1.20 (1.04 to 1.38)
  Baltimore, MD 64 15.7 49 13.2 109 27.0 1.35 (1.14 to 1.61) 1.34 (1.14 to 1.56)
  Boston, MA 57 24.2 111 31.7 107 41.2 1.30 (1.12 to 1.52) 1.32 (1.13 to 1.53)
  Chicago, IL 101 21.2 106 24.8 167 38.8 1.37 (1.22 to 1.54) 1.33 (1.19 to 1.49)
  Dallas, TX 59 13.6 65 16.2 98 22.6 1.31 (1.10 to 1.55) 1.30 (1.10 to 1.54)
  Denver, CO 76 17.1 116 24.2 143 34.3 1.42 (1.27 to 1.58) 1.40 (1.26 to 1.56)
  Detroit, MI 40 11.8 76 18.8 110 24.8 1.42 (1.23 to 1.66) 1.41 (1.22 to 1.62)
  Houston, TX 49 13.3 91 20.9 113 27.0 1.40 (1.18 to 1.67) 1.42 (1.21 to 1.68)
  Los Angeles, CA 99 21.7 131 28.7 176 39.1 1.35 (1.20 to 1.51) 1.36 (1.22 to 1.52)
  Miami, FL 63 13.7 117 25.8 132 28.0 1.38 (1.19 to 1.59) 1.35 (1.17 to 1.56)
  Nassau-Suffolk, NY 62 29.5 75 26.3 129 45.9 1.30 (1.10 to 1.54) 1.30 (1.12 to 152)
  New Orleans, LA 46 12.3 61 15.3 97 22.7 1.37 (1.19 to 1.58) 1.39 (1.21 to 1.60)
  New York, NY 85 18.0 87 18.9 170 39.3 1.53 (1.35 to 1.74) 1.41 (1.25 to 1.58)
  Newark, NJ 12 15.2 58 26.5 51 25.6 1.18 (0.94 to 1.48) 1.18 (0.93 to 1.49)
  Philadelphia, PA 99 22.5 115 27.2 158 27.3 1.10 (0.98 to 1.22) 1.12 (1.01 to 1.25)
  San Diego, CA 115 25.5 112 28.5 172 40.1 1.26 (1.15 to 1.39) 1.28 (1.15 to 1.40)
  San Francisco, CA 104 25.0 114 28.7 134 42.1 1.30 (1.15 to 1.47) 1.28 (1.14 to 1.45)
  San Juan, PR 55 18.0 94 30.0 140 30.6 1.26 (1.08 to 1.46) 1.26 (1.09 to 1.46)
  Seattle, WA 73 23.6 72 23.3 137 32.2 1.19 (1.02 to 1.38) 1.23 (1.06 to 1.42)
  Washington, DC 91 20.7 129 30.1 136 31.4 1.21 (1.09 to 1.36) 1.21 (1.09 to 1.35)

Numbers might not add to total because of missing or unknown data. Percentages might not sum to 100 because of rounding.

*

Includes men who consented to and completed the survey, had a male sex partner in the past 12 months and reported their HIV status.

Reference is 2008; PR corresponds with the interaction term with year.

Reference is 2008; PR corresponds to the interaction term with year; model includes year, race/ethnicity, and annual household income, and their interactions with year as fixed effects.

§

Hispanic can be of any race.

Includes MSM reporting American Indian or Alaska Native, Asian, Native Hawaiian or Pacific Islander, other race, or multiple races.