Table 4.
Non-parametric group comparisons by fragile X status with post hoc analyses using Bonferroni correction.
| Omnibus group comparison χ2 (p-value) | Full mutation vs. Premutation χ2 (p-value) | Premutation vs. No fragile X χ2 (p-value) | Full mutation vs. No fragile X χ2 (p-value) | |
|---|---|---|---|---|
| Auditory threat hypersensitivity | 31.69 (<0.001) | 5.56 (0.018) | 0.40 (0.530) | 29.09 (<0.001) |
| Auditory hyposensitivity | 13.26 (0.001) | 3.05 (0.081) | 0.16 (0.692) | 11.47 (<0.001) |
| Visual hypersensitivity | 11.06 (0.004) | 1.39 (0.239) | 0.61 (0.433) | 10.48 (0.001) |
| Tactile hypersensitivity | 21.78 (<0.001) | 0.27 (0.606) | 5.53 (0.019) | 21.94 (<0.001) |
| Affiliative touch aversion | 6.13 (0.047) | 0.02 (0.878) | 1.70 (0.193) | 6.21 (0.013) |
| Selective eating | 4.70 (0.095) | 0.01 (0.903) | 0.85 (0.360) | 4.86 (0.028) |
| Ingestive problems | 7.38 (0.025) | 0.42 (0.518) | 2.32 (0.128) | 7.12 (0.008) |
| Digestive problems | 7.37 (0.025) | 3.65 (0.056) | 7.55 (0.006) | 2.69 (0.101) |
Omnibus Kruskal–Wallis test at p < 0.05, post hoc Kruskal–Wallis comparisons with Bonferroni correction at p < 0.017. Bolded cells reached statistical significance.