Table 2 Negative affect and participant characterization by age
| Â | FXS | TD |
|---|---|---|
6 months | ||
 n | 9 | 20 |
 CA | 6.16 (1.00) | 6.18 (0.53) |
 IBQ-R NA score | 2.64 (0.63) | 2.91 (0.77) |
9 months | ||
 n | 21 | 38 |
 CA | 9.26 (0.71) | 9.16 (0.56) |
 IBQ-R NA score | 2.92 (0.58) | 3.18 (0.71) |
12 months | ||
 n | 32 | 38 |
 CA | 12.28 (1.01) | 12.29 (0.74) |
 IBQ-R NA score | 3.12 (0.66) | 3.13 (0.69) |
18 months | ||
 n | 19 | 37 |
 CA | 17.65 (1.53) | 18.08 (0.72) |
 ECBQ NA score | 2.51 (0.58) | 2.56 (0.41) |
24 months | ||
 n | 32 | 30 |
 CA | 24.89 (1.39) | 24.55 (1.11) |
 ECBQ NA score | 2.56 (0.53) | 2.54 (0.41) |
36 months | ||
 n | 58 | 38 |
 CA | 36.76 (1.88) | 36.57 (1.39) |
 CBQ NA score | 3.58 (0.72) | 3.37 (0.81) |
48 months | ||
 n | 62 | 34 |
 CA | 47.05 (3.54) | 46.49 (2.55) |
 CBQ NA score | 3.83 (0.64) | 3.77 (0.62) |
60 months | ||
 n | 49 | 15 |
 CA | 57.50 (3.76) | 57.05 (3.54) |
 CBQ NA score | 3.81 (0.62) | 3.49 (0.99) |