TABLE 1—
Weighted Estimates of Sample Characteristics of Individuals and Relationships: Young Adults Aged 18–28 Years, National Longitudinal Study of Adolescent Health, United States, 2001
| Variable | Total N = 11 370 | Men n = 5 219 | Women n = 6 151 |
| Sample Characteristics N = 11 370 | |||
| Mean age, years (SD) | 22.0 (1.7) | 22.1 (1.7) | 21.9 (1.7) |
| Race/ethnicity,a no. (%) | |||
| White | 6 370 (69.9) | 2 924 (69.6) | 3 446 (70.1) |
| Black | 2 283 (15.1) | 971 (15.0) | 1 312 (15.3) |
| Hispanic | 1 653 (10.7) | 805 (11.0) | 848 (10.3) |
| Other | 889 (4.3) | 433 (4.4) | 456 (4.3) |
| Education,a no. (%) | |||
| Less than high school | 1 377 (14.4) | 714 (16.1) | 663 (12.8) |
| High-school graduate | 3 649 (32.3) | 1 781 (34.4) | 1 868 (30.2) |
| Some college | 4 513 (38.8) | 2 011 (37.0) | 2 502 (40.5) |
| College graduate | 1 825 (14.5) | 708 (12.4) | 1 117 (16.5) |
| Mean number of relationships in past 5 years (SD) | 3.08 (2.7) | 3.05 (2.7) | 3.10 (2.6) |
| Ever victimized by IPV, no. (%) | 3 046 (26.8) | 1 269 (24.8) | 1 777 (28.8) |
| Ever perpetrated IPV, no. (%) | 3 121 (26.5) | 884 (17.3) | 2 237 (35.5) |
| Relationship Characteristics N = 18 761 | |||
| Relationship lasted ≥ 3 months in duration,a no. (%) | 16 608 (89.3) | 7 233 (85.9) | 9 375 (92.5) |
| Sex in relationship,a no. (%) | 16 755 (89.8) | 7 522 (88.9) | 9 233 (90.6) |
| Cohabitation type,a no. (%) | |||
| Never married or living together | 11 630 (62.7) | 5 535 (65.8) | 6 095 (59.7) |
| Lived together but not married | 4 317 (24.5) | 1 874 (23.7) | 2 443 (25.4) |
| Married | 2 392 (12.8) | 912 (10.5) | 1 480 (14.9) |
Notes. SD = standard deviation; IPV = intimate partner violence. Percentages reflect weighted estimates of the distribution of the variables for the US young adult population.
aBecause of small amounts of missing data, the numbers do not sum to the full sample size.