Table 3 Sample characterization by research question
Research Question #1 | ||||
| Â | FXS | TD | ||
 n | 114 | 69 | ||
 Total number of observations | 238 | 158 | ||
 Average observations per participant | 2.10 | 2.29 | ||
 Mean age [months] | 32.74 (17.74) | 33.85 (13.86) | ||
 Initial Mullen ELC | 63.61 (16.83) | 99.93 (11.71) | ||
Research Question #2 | ||||
| Â | FXS | TD | ||
Males | Females | Males | Females | |
 n | 87 | 29 | 55 | 14 |
 Total number of observations | 192 | 69 | 183 | 50 |
 Average observations per participant | 2.21 | 2.38 | 3.33 | 3.57 |
 Mean age [months] | 36.13 (17.18) | 34.74 (16.81) | 22.56 (14.49) | 23.27 (13.66) |
 Initial Mullen ELC | 58.21 (13.56) | 78.55 (16.62) | 99.75 (12.41) | 100.64 (8.81) |
Research Question #3 | ||||
| Â | FXS Males | FXS Females | ||
 n | 23 | 11 | ||
 Predictors | ||||
  Total number of observations | 92 | 50 | ||
  Average observations per participant | 4.18 | 4.55 | ||
  Mean age [months] | 28.80 (17.02) | 27.44 (15.88) | ||
  Initial Mullen ELC | 68.17 (15.58) | 86.73 (18.46) | ||
 Outcome measures | ||||
  Mean age at outcome [months] | 48.99 (12.6) | 50.72 (6.37) | ||
  SCAS-P GA total | 44.76 (7.33) | 49.55 (14.40) | ||
  ADOS-2 CSS | 5.57 (2.78) | 4.56 (2.56) | ||