| TS + LD | TS - LD |  | ||
---|---|---|---|---|---|
 | n | (%) | n | (%) | p |
Gender | Â | Â | Â | Â | Â |
   Female | 159 | (12.9) | 857 | (20.3) | <.001 |
   Male | 1,076 | (87.1) | 3,355 | (79.7) |  |
Age of Onset of TS | Â | Â | Â | Â | Â |
   <= 4 | 261 | (25.1) | 922 | (24.8) | .030 |
   5 to 7 | 517 | (49.7) | 1,709 | (45.9) |  |
   8 or Older | 263 | (25.3) | 1,089 | (29.3) |  |
Age First Seen | Â | Â | Â | Â | Â |
   <= 17 | 1,071 | (87.4) | 3,118 | (74.6) | <.001 |
   >17 | 154 | (12.6) | 1,063 | (25.4) |  |
Age Diagnosed | Â | Â | Â | Â | Â |
   <= 8 | 416 | (35.8) | 1,275 | (32.5) | <.001 |
   9 to 12 | 488 | (42.0) | 1,366 | (34.8) |  |
   13 or Older | 257 | (22.1) | 1,284 | (32.7) |  |
Perinatal Problems | Â | Â | Â | Â | Â |
   Yes | 280 | (26.9) | 607 | (17.1) | <.001 |
   No | 761 | (73.1) | 2,945 | (82.9) |  |
Has a Child with Tics | Â | Â | Â | Â | Â |
   Yes | 12 | (1.0) | 104 | (2.6) | .002 |
   No | 1,189 | (99.0) | 3,913 | (97.4) |  |
At Least One Family Member with Tics | Â | Â | Â | Â | |
   Yes | 613 | (51.0) | 2,201 | (54.8) | .024 |
   No | 588 | (49.0) | 1,816 | (45.2) |  |
Two or More Family Members with Tics | Â | Â | Â | Â | |
   Yes | 145 | (12.1) | 609 | (15.2) | .009 |
   No | 1,056 | (87.9) | 3,408 | (84.8) |  |
Has Severe Tics | Â | Â | Â | Â | Â |
   Yes | 226 | (18.3) | 668 | (15.9) | .046 |
   No | 1,009 | (81.7) | 3,544 | (84.1) |  |