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Distribution of sex, age, FTND score, and recruitment site in cases and controls
| Cases (N=1050) | Controls (N=879) | |
|---|---|---|
| Sex | ||
| Males | 44.2% | 30.4% |
| Females | 55.8% | 69.6% |
| Age (years) | ||
| Mean ± SD | 37.7 ± 6.9 | 36.7 ± 7.5 |
| Range | 25 - 82 | 25 - 82 |
| FTND | ||
| Mean ± SD | 6.3 ± 1.7 | 0 |
| Site | ||
| U.S. | 797 | 713 |
| Australia | 253 | 66 |
