Table 4.
Model Results Comparing Food- and Non-Food-Related Scores for Parent-Reported GAIB Subscales.
| Model Effect | Category | Estimate (95% CI) | p Value |
|---|---|---|---|
| Behavior | |||
| Age at Assessment | Increase of 1 Year | 1.7 (1, 2.5) | <0.001 |
| Sex | Female vs. Male | 2.7 (−3.7, 9.1) | 0.4 |
| Race | Non-White vs. White | 2.5 (−9.1, 14.1) | 0.67 |
| Maternal Education (Average Effect) | <College Grad vs. College Grad | 6.2 (−0.8, 13.3) | 0.08 |
| PWS Genetic Type | UPD/Imprinting vs. Deletion | −0.3 (−7.6, 7) | 0.93 |
| Score Type (Average Effect) | Food vs. Non-Food | 1.5 (−2, 4.9) | 0.39 |
| Score Type*Education Interaction 1 | Food vs. Non-Food (Mother < College Grad) | 5.8 (0.7, 10.8) | 0.026 |
| Score Type*Education Interaction 1 | Food vs. Non-Food (Mother is College Grad) | −5.1 (−9.5, −0.8) | 0.022 |
| Obsessive Speech and Compulsive Behavior | |||
| Age at Assessment (Average Effect) | Increase of 1 Year | 0.2 (−0.3, 0.7) | 0.45 |
| Sex (Average Effect) | Female vs. Male | 4 (−0.5, 8.6) | 0.08 |
| Race | Non-White vs. White | 6.9 (−1.4, 15.3) | 0.1 |
| Maternal Education | <College Grad vs. College Grad | 1.9 (−3.1, 7) | 0.44 |
| PWS Genetic Type | UPD/Imprinting vs. Deletion | −2.4 (−7.8, 3) | 0.38 |
| Score Type (Average Effect) | Food vs. Non-Food | −2.4 (−3.5, −1.3) | <0.001 |
| Score Type*Sex Interaction 2 | Food vs. Non-Food (Females) | −1 (−2.6, 0.5) | 0.2 |
| Score Type*Sex Interaction 2 | Food vs. Non-Food (Males) | −3.8 (−5.4, −2.2) | <0.001 |
| Score Type*Age at Assessment 2 | Food vs. Non-Food (for Each 1-Year Increase in Age) | 0.3 (0, 0.6) | 0.022 |
1P value for interaction between score type (food or non-food) and maternal education was 0.005. 2 P values for interaction with score type (food or non-food) were 0.023 for age and 0.016 for sex.