Difference (Table |
Time (Table |
Protection (Table |
Duration (Table |
|
---|---|---|---|---|
Perceived susceptibility | − | − | − | − |
Trust | − | + | + | +/- |
Drug use | − | +/- | +/- | +/- |
Secondary partner | + | + | + | +/- |
Power inequality | − | − | − | − |
Protection Trajectory | ||||
---|---|---|---|---|
Low | High | Declining | U-shaped | |
Evaluation of four-trajectory model | ||||
Size (percent) | 9.8 | 63.2 | 15.3 | 11.6 |
Protection index mean (SD) | .15 (.19) | .94 (.11) | .80 (.28) | .66 (.33) |
PP | .95 | .76 | .70 | .73 |
OCC | 185.2 | 1.9 | 13.0 | 20.9 |
Low b (SE) | High b (SE) | Declining b (SE) | U-shaped b (SE) | Overall b (SE) | |
---|---|---|---|---|---|
Initial predictors | |||||
Perc susceptibility | 0.225(0.706) | 0.021(0.206) | -0.967(2.601) | -1.188(0.907) | 0.031(0.219) |
Trust | -0.073(0.046) | -0.070(0.018) |
0.118(0.248) | 0.016(0.108) | -0.070(0.019) |
Drug use | -0.132(0.525) | -0.259(0.132) |
-2.048(1.311) | 0.586(0.767) | -0.329(0.151) |
Secondary partner | 0.697(0.307) |
0.213(0.096) |
0.105(1.053) | -0.821(0.739) | 0.126(0.108) |
Power inequality | -0.043(0.359) | 0.051(0.090) | -0.071(0.636) | -0.466(0.422) | 0.025(0.100) |
Time-varying predictors | |||||
Perc susceptibility | -0.044(0.047) | ||||
Trust | -0.007(0.005) | ||||
Drug use | -0.004(0.036) | ||||
Secondary partner | 0.078(0.024) |
||||
Power inequality | -0.026(0.023) |
Wave: | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | Total |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Gender | ||||||||||||||
Male | 56 | 57 | 57 | 57 | 56 | 57 | 57 | 55 | 53 | 54 | 54 | 55 | 51 | 55 |
Female | 44 | 43 | 43 | 43 | 44 | 43 | 43 | 45 | 47 | 46 | 46 | 45 | 49 | 45 |
Race | ||||||||||||||
Black | 55 | 58 | 59 | 59 | 60 | 61 | 59 | 58 | 57 | 59 | 59 | 59 | 59 | 58 |
Anglo | 16 | 12 | 13 | 12 | 11 | 11 | 13 | 14 | 14 | 14 | 12 | 14 | 14 | 13 |
Hispanic | 29 | 30 | 29 | 29 | 29 | 28 | 28 | 28 | 29 | 27 | 30 | 27 | 26 | 28 |
Age at baseline | ||||||||||||||
18-30 | 11 | 9 | 8 | 9 | 8 | 8 | 7 | 9 | 7 | 9 | 8 | 6 | 6 | 8 |
31-40 | 33 | 31 | 33 | 31 | 33 | 29 | 28 | 28 | 30 | 26 | 22 | 25 | 24 | 29 |
41-50 | 38 | 43 | 39 | 40 | 39 | 44 | 43 | 39 | 39 | 42 | 44 | 45 | 43 | 41 |
51 and over | 17 | 17 | 20 | 22 | 20 | 19 | 21 | 24 | 24 | 24 | 26 | 24 | 27 | 22 |
Employment | ||||||||||||||
Unemployed | 49 | 51 | 54 | 47 | 50 | 56 | 51 | 51 | 48 | 47 | 55 | 47 | 43 | 50 |
Odd jobs | 12 | 8 | 9 | 15 | 10 | 9 | 17 | 14 | 22 | 16 | 16 | 19 | 16 | 14 |
Part time | 10 | 12 | 13 | 18 | 12 | 13 | 11 | 14 | 11 | 15 | 10 | 13 | 20 | 13 |
Full time | 30 | 30 | 24 | 21 | 28 | 22 | 21 | 21 | 19 | 22 | 20 | 21 | 20 | 23 |
Marital status at baseline | ||||||||||||||
Never married | 37 | 33 | 31 | 29 | 29 | 27 | 27 | 33 | 33 | 29 | 35 | 38 | 29 | 32 |
Married | 15 | 13 | 13 | 17 | 16 | 17 | 17 | 14 | 12 | 14 | 12 | 14 | 14 | 15 |
Living as married | 14 | 14 | 17 | 18 | 20 | 20 | 20 | 16 | 19 | 21 | 16 | 13 | 17 | 17 |
Separated | 12 | 12 | 17 | 13 | 14 | 17 | 14 | 16 | 14 | 12 | 14 | 12 | 14 | 14 |
Divorced | 18 | 23 | 18 | 17 | 15 | 14 | 16 | 14 | 15 | 15 | 16 | 14 | 17 | 16 |
Widowed | 4 | 5 | 5 | 6 | 5 | 6 | 6 | 7 | 7 | 8 | 8 | 9 | 9 | 6 |
Drug use | ||||||||||||||
None | 14 | 14 | 13 | 12 | 14 | 15 | 15 | 16 | 17 | 19 | 18 | 18 | 16 | 16 |
Mari/alco only | 14 | 17 | 19 | 19 | 16 | 19 | 16 | 16 | 21 | 16 | 16 | 13 | 20 | 17 |
Hard drugs | 71 | 69 | 67 | 68 | 70 | 65 | 69 | 68 | 61 | 65 | 66 | 68 | 64 | 67 |
HIV status role | ||||||||||||||
Role 1 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 | 12 |
Ever Role 2 | 43 | 43 | 43 | 43 | 43 | 43 | 43 | 43 | 43 | 43 | 43 | 43 | 43 | 43 |
Always Role 3 | 45 | 45 | 45 | 45 | 45 | 45 | 45 | 45 | 45 | 45 | 45 | 45 | 45 | 45 |
HIV status | ||||||||||||||
HIV negative | 88 | 88 | 90 | 91 | 90 | 89 | 91 | 90 | 90 | 89 | 90 | 91 | 91 | 90 |
HIV positive | 12 | 12 | 10 | 9 | 10 | 11 | 9 | 10 | 10 | 11 | 10 | 9 | 9 | 10 |
Sample size | 202 | 162 | 150 | 144 | 147 | 139 | 150 | 153 | 149 | 149 | 147 | 141 | 138 | 202 |
Constant trajectories | Low Protection | High Protection | ||||
---|---|---|---|---|---|---|
Time b (SE) | Time2 b (SE) | Protection b (SE) | Time b (SE) | Time2 b (SE) | Protection b (SE) | |
Perc susceptibility | .002 (.006) | .-- | .001 (.073) | -.001 (.006) | .-- | .010 (.026) |
Trust | .137 (.059) |
.-- | -.006 (.008) | .208 (.041) | .-- | -.004 (.002) |
Drug use | -.021 (.008) |
.-- | -.131 (.035) |
-.000 (.006) | .-- | .014 (.014) |
Secondary partner | -.062 (.022) |
.003 (.001) |
.239 (.045) |
-.011 (.006) |
.-- | -.001 (.011) |
Power inequality | -.010 (.013) | .-- | .007 (.033) | -.010 (.007) | .-- | -.004 (.011) |
All Participants | All Sex Partners | New Sex Partners | ||||
---|---|---|---|---|---|---|
N | % | N | % | N | % | |
Gender | ||||||
Male | 113 | 55.9 | 487 | 61.6 | 243 | 59.0 |
Female | 89 | 44.1 | 303 | 38.4 | 169 | 41.0 |
Race/ethnicity | ||||||
Black | 111 | 55.0 | 430 | 54.5 | 220 | 53.5 |
White | 33 | 16.3 | 180 | 22.8 | 112 | 27.3 |
Hispanic | 58 | 28.7 | 174 | 22.1 | 78 | 19.0 |
Other | 5 | 0.6 | 1 | 0.2 | ||
Age at baseline | ||||||
18-30 | 24 | 11.9 | 181 | 22.9 | 113 | 27.5 |
31-40 | 67 | 33.2 | 284 | 35.9 | 148 | 35.9 |
41-50 | 77 | 38.1 | 221 | 28.0 | 111 | 26.9 |
51 and over | 34 | 16.8 | 104 | 13.2 | 40 | 9.7 |
Marital status | ||||||
Single | 75 | 37.1 | ||||
Married | 59 | 29.2 | ||||
Prev married | 68 | 33.7 | ||||
Employment status | ||||||
Unemployed | 98 | 48.5 | ||||
Odd jobs | 24 | 11.9 | ||||
Part time | 20 | 9.9 | ||||
Full time | 60 | 29.7 | ||||
Drug user | ||||||
No (nonuser) | 33 | 16.3 | 328 | 41.5 | 160 | 38.8 |
Yes (drug user) | 169 | 83.7 | 462 | 58.5 | 252 | 61.2 |
Sex behaviors (inferred sexual orientation) | ||||||
No sex | 12 | 5.9 | ||||
Straight | 146 | 72.3 | 680 | 86.1 | 345 | 83.7 |
Gay or bi | 44 | 21.8 | 110 | 13.9 | 67 | 16.3 |
HIV status | ||||||
HIV negative | 177 | 87.6 | 701 | 88.7 | 366 | 88.8 |
HIV positive | 25 | 12.4 | 89 | 11.3 | 46 | 11.2 |
Total N | 202 | 100.0 | 790 | 100.0 | 412 | 100.0 |