Table 4.
Baseline characteristics of participants lost to follow-up compared to those retained.
| 3-month followup (n = 660) | 9-month followup (n = 660) | |||||
|---|---|---|---|---|---|---|
| Lost (n = 160) | Retained (n = 500) | P value | Lost (n = 210) | Retained (n = 450) | P value | |
| % | % | % | % | |||
| Participant characteristics | ||||||
| Race/ethnicity | <.001 | .10 | ||||
| African American | 23.8 | 38.8 | 30.0 | 37.6 | ||
| Hispanic | 67.5 | 50.2 | 60.5 | 51.6 | ||
| White/other | 8.8 | 11.0 | 9.5 | 10.9 | ||
| Unemployed | 76.9 | 72.0 | .26 | 73.3 | 73.1 | 1.00 |
| Completed high school | 49.4 | 52.4 | .53 | 51.0 | 52.0 | .80 |
| Homelessa | 27.0 | 29.8 | .55 | 30.0 | 28.7 | .78 |
| Ever diagnosed with STIb | 40.7 | 46.0 | .26 | 47.1 | 43.6 | .43 |
| Ever being injected with illicit drugs | 56.3 | 50.0 | .17 | 53.3 | 50.7 | .56 |
| Age (yrs)† | 38.2 | 39.8 | 4.31, .04 | 38.2 | 39.9 | 5.94, .02 |
| HIV transmission risk† | 2.03 | 1.61 | 0.57, .45 | 1.31 | 1.78 | 1.47, .22 |
|
| ||||||
| Couple characteristics | ||||||
| Marital Status | .07 | .37 | ||||
| Married, legal | 18.1 | 26.6 | 23.8 | 24.9 | ||
| Married, common law | 70.6 | 65.0 | 64.8 | 67.1 | ||
| Not married | 11.3 | 8.4 | 11.4 | 8.0 | ||
| Trying to conceive | 10.6 | 8.0 | .33 | 7.6 | 9.1 | .56 |
| Perceived closeness | 75.0 | 75.2 | 1.00 | 73.8 | 75.8 | .63 |
| Condom use last 3 months | 21.9 | 20.8 | .82 | 23.8 | 19.8 | .26 |
| Anal sex last 3 months | 33.8 | 28.4 | .20 | 31.4 | 28.9 | .52 |
| HIV serodiscordant (n = 330) | 7.3 | 6.6 | .77 | 5.6 | 7.0 | .79 |
| Prob (%) male HIV positive† | .18 | .16 | 0.22, .64 | .14 | .17 | 0.58, .45 |
| Relationship duration (yrs)† | 6.0 | 8.1 | 12.0, <.001 | 5.9 | 8.4 | 20.6, <.0001 |
†Mean given.
‡Welch's ANOVA F statistic.