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. Author manuscript; available in PMC: 2022 Sep 1.
Published in final edited form as: Epidemiology. 2021 Sep 1;32(5):681–689. doi: 10.1097/EDE.0000000000001390

Table 2.

Assortative Mixing Statistics for Sexual Networks of Men Who Have Sex with Men (MSM) in San Francisco and Atlanta

Main Partnerships Casual Partnerships One-Time Partnerships
San Francisco Atlanta San Francisco Atlanta San Francisco Atlanta
Assortative Mixinga
 By Age Group
  15–24 0.77 0.80 0.60 0.57 0.55 0.56
  25–34 0.67 0.70 0.48 0.44 0.43 0.45
  35–44 0.54 0.58 0.36 0.32 0.32 0.33
  45–54 0.41 0.44 0.25 0.22 0.23 0.24
  55–64 0.29 0.32 0.17 0.15 0.16 0.16
 By Race
  Black/Hispanic 0.47 0.55 0.52 0.51 0.53 0.54
  White/Other 0.78 0.83 0.71 0.70 0.75 0.76
a

The assortative mixing statistic is the proportion of partnerships in a demographic group that were between members of the same group (i.e., the diagonals of the mixing matrix).