Table 1.
Pooled Sample Characteristics
| Study characteristic results (N = 48 studies) | Pooled | |
|---|---|---|
| Sample size, Range | 28 454 (24–15320) |
|
| Controls sample size, Range (n = 7 studies) |
5285 (20–4765) |
|
| Sample age, Range | 18–90 | |
| N | % | |
| Sex (n = 28 171) (n = 48 studies) | ||
| Male | 10 320 | 37 |
| Female | 17 851 | 63 |
| Marital status (N = 3077 participants)* (n = 19 studies) |
||
| Single | 670 | 22 |
| Partnered | 2407 | 78 |
| Race or Ethnicity (n = 1245 participants)* (n = 6) |
||
| White/Caucasian | 1127 | 91 |
| Black/African American | 59 | 5 |
| Asian | 5 | <0.5 |
| American Indian | 5 | <0.5 |
| Other | 23 | 2 |
| Hispanic | 26 | 2 |
*Sample demographic numbers were calculated from studies reporting the listed information. Control sample sociodemographic characteristics not included in totals for sex, marital status, or Race/Ethnicity.