Table 1.
Select Characteristics of Index and Partner Participants Enrolled in the Project on Partner Dynamics, 2006–2009
| Characteristic | Index Participants (N=151) | Partner Participants (N=151) | ||
|---|---|---|---|---|
| Na | % | Na | % | |
|
|
|
|||
| Sex - Female | 73 | 48.3 | 78 | 51.7 |
| Race/ethnicity | ||||
| White, non-Hispanic | 38 | 25.2 | 48 | 34.0 |
| Black, non-Hispanic | 37 | 24.5 | 32 | 22.7 |
| Hispanic/Latino | 51 | 33.8 | 36 | 25.5 |
| Other | 25 | 16.6 | 25 | 17.7 |
| Age b,c | 23.1 ± 3.7 | 24.8 ± 6.1 | ||
| 18–24 | 97 | 64.2 | 94 | 62.3 |
| 25–30 | 54 | 35.8 | 32 | 21.2 |
| >30 | 25 | 16.6 | ||
| Number of sex partners, lifetime b | 16 ±21.6 | 12 ± 15.1 | ||
| Number of sex partners, past 4 months b | 1 ± 1.3 | 1 ± 1.1 | ||
| Sex frequency (number of acts), past 4 months b | 34.5 ± 30.9 | 43.4 ± 48.3 | ||
| Age at sexual debut b | 16 ± 2.9 | 16 ± 2.6 | ||
| History of STD | 44 | 29.1 | 34 | 22.7 |
| History of injection drug use | 7 | 4.6 | 3 | 2.0 |
| Alcohol/other drugs during sex, past 4 months | 78 | 63.4 | 88 | 62.4 |
| Reported description of partnership status | ||||
| Just friends | 12 | 8.1 | 11 | 7.5 |
| Dating casually | 11 | 7.4 | 17 | 11.6 |
| Dating exclusively | 78 | 52.3 | 86 | 58.5 |
| Engaged | 21 | 14.1 | 17 | 11.6 |
| Married | 21 | 14.1 | 13 | 8.8 |
| Other | 6 | 4.0 | 3 | 2.0 |
| Commitment Scaleb, d | 5.9 ± 1.9 | 6.2 ± 1.9 | ||
| Perception of partner with more power | ||||
| Partner Participant | 4 | 3.2 | 7 | 5.0 |
| Both, but more the partner participant | 32 | 25.6 | 50 | 36.0 |
| Both, but more index participant | 75 | 60.0 | 67 | 48.2 |
| Index Participant | 14 | 11.2 | 15 | 10.8 |
| Not Applicable/Missing | 26 | 12 | ||
Total number of non-missing observations: race/ethnicity (10 missing for partner participant); history of STD (1 missing for index, 1 missing for partner participants), history of injection drug use (1 missing for partner participant), alcohol or other drug use (28 missing for index; 10 missing for partner participants), description of partnership status (2 missing for index; 2 for partners).
Mean ± Standard Deviation.
In order to be eligible for the POPD study, index participants had to be between 18–30 years of age. Recruited partner participants did not have an age eligibility criterion.
Score based on a 7-question subset of the Investment Model Scale, with higher responses (8 on a given question) representing more commitment, and lower scores (0 on a given question) representing lower commitment.