Table 4: Baseline characteristics of participants lost to follow-up compared to those retained.

3-month followup ( )9-month followup ( )
Lost ( )Retained ( )P valueLost ( )Retained ( )P value
%%%%

Participant characteristics
 Race/ethnicity<.001.10
  African American23.838.830.037.6
  Hispanic67.550.260.551.6
  White/other8.811.09.510.9
 Unemployed76.972.0.2673.373.11.00
 Completed high school49.452.4.5351.052.0.80
 Homelessa27.029.8.5530.028.7.78
 Ever diagnosed with STIb40.746.0.2647.143.6.43
 Ever being injected with illicit drugs56.350.0.1753.350.7.56
 Age (yrs)38.239.84.31, .0438.239.95.94, .02
 HIV transmission risk2.031.610.57, .451.311.781.47, .22

Couple characteristics
 Marital Status.07.37
  Married, legal18.126.623.824.9
  Married, common law70.665.064.867.1
  Not married11.38.411.48.0
 Trying to conceive10.68.0.337.69.1.56
 Perceived closeness75.075.21.0073.875.8.63
 Condom use last 3 months21.920.8.8223.819.8.26
 Anal sex last 3 months33.828.4.2031.428.9.52
 HIV serodiscordant ( )7.36.6.775.67.0.79
 Prob (%) male HIV positive.18.160.22, .64.14.170.58, .45
 Relationship duration (yrs)6.08.112.0, <.0015.98.420.6, <.0001

Mean given.
Welch’s ANOVA F statistic.