Table 1 Group characteristics
Variable | Group | ||
|---|---|---|---|
Women with the FMR1 Premutation (n = 35) | Control Women (n = 28) | Test of group differences (p value) | |
Age in years | |||
 M (SD) | 44.31(8.63) | 41.70 (9.34) | 0.251 |
 Range | 25.53–60.94 | 28.72–65.23 | |
IQa | |||
 M (SD) | 104.26 (11.90) | 104.57 (11.46) | 0.928 |
 Range | 81.00–130.00 | 83.00–135.00 | |
Race | 0.181 | ||
 Caucasian | 94% | 85% | |
 African American | 3% | 15% | |
 American Indian | 3% | – | |
Household Income | |||
 <20k | 9% | 12% | 0.164 |
 21–40k | 12% | 7% | |
 41–80k | 33% | 35% | |
 81–120k | 12% | 30% | |
 >121k | 34% | 11% | |
Medication use | |||
 Atypical antipsychotics | 3% | – | 0.008* |
 Classical antipsychotics | 3% | – | |
 Antidepressants | 48% | 15% | |
 Mood stabilizers | 7% | – | |
 Anti-anxiety | 10% | – | |
 Stimulants | 3% | 4% | |
Total stress percentileb | 0.001* | ||
 M (SD) | 62.12 (22.87) | 34.64 (25.63) | |
 Range | 4.00–96.00 | 1.00–88.00 | |
Tremor Disability Scorec | 0.508 | ||
 M (SD) | 4.30 (15.29) | 2.06 (4.15) | |
 Range | 0–77.42 | 0–12.90 | |