TABLE 1.
Distribution of Targeted Subjects and Those Completing the Interview and Questionnaire Phases of the Study
| N in study | Completed IV +Q | Completed IV (includes partials) | Completed Q | ||
|---|---|---|---|---|---|
| Sex | Males | 2,020 | 1,224 | 1,389 | 1,257 |
| Females | 2,958 | 2,330 | 2,435 | 2,368 | |
| Total Rs | 5,004 | 3,554 | 3,824 | 3,625 | |
| Twins | Male twins | 1,418 | 1,047 | 1,180 | 1,074 |
| Female twins | 2,368 | 2,083 | 2,168 | 2,112 | |
| Total twins | 3,786 | 3,130 | 3,348 | 3,186 | |
| Siblings | Male siblings | 602 | 177 | 209 | 183 |
| Female siblings | 590 | 247 | 267 | 256 | |
| Total siblings | 1,218a | 424 | 476 | 439 | |
| Pairs | Pairs | 1,525 | 1,116 | 1,233 | 1,151 |
| Both pairs | 3,050 | 2,232 | 2,466 | 2,302 | |
| One of pair only | NA | 329 | 250 | 304 | |
| Singleton | 736 | 569 | 632 | 580 | |
| Siblings | 1,218 | 424 | 476 | 439 | |
| Total Respondents | 5,004 | 3,554 | 3,824 | 3,625 | |
| Siblings with consent to be approached | 849 | ||||
Note:
a
Some numbers in sex breakdown do not sum to total as sex of some siblings is unknown.