Table 3.
Autonomic reactivity exploratory factor analysis (EFA) and confirmatory factor analysis (CFA) standardized loadings
| Item | Loadings | |||||
|---|---|---|---|---|---|---|
| EFA (Spain, internet) | CFA (US, internet) | CFA (US, college) | ||||
| Supradiaphragmatic reactivity | Subdiaphragmatic reactivity | Supradiaphragmatic reactivity | Subdiaphragmatic reactivity | Supradiaphragmatic reactivity | Subdiaphragmatic reactivity | |
| I have difficulty coordinating breathing and eating. | 0. 94 | −0.22 | 0.88 | 0.74 | ||
| When I am eating, I have difficulty talking. | 0.72 | −0.10 | 0.76 | 0.58 | ||
| My heart often beats irregularly. | 0.60 | 0.01 | 0.76 | 0.59 | ||
| When I eat, food feels dry and sticks to my mouth and throat. | 0.68 | 0.02 | 0.87 | 0.70 | ||
| I feel shortness of breath. | 0.79 | 0.04 | 0.84 | 0.79 | ||
| I have difficulty coordinating breathing with talking. | 0.89 | −0.21 | 0.87 | 0.67 | ||
| When I eat, I have difficulty coordinating swallowing, chewing, and/or sucking with breathing. | 1.02 | −0.24 | 0.95 | 0.75 | ||
| I have a persistent cough that interferes with my talking and eating. | 0.52 | 0.19 | 0.83 | 0.67 | ||
| I gag from the saliva in my mouth. | 0.49 | 0.13 | 0.85 | 0.75 | ||
| I have chest pains. | 0.58 | 0.12 | 0.78 | 0.57 | ||
| I gag when I eat. | 0.60 | 0.13 | 0.81 | 0.80 | ||
| When I talk, I often feel I should cough or swallow the saliva in my mouth. | 0.64 | 0.03 | 0.81 | 0.68 | ||
| When I breathe, I feel like I cannot get enough oxygen. | 0.73 | 0.10 | 0.84 | 0.70 | ||
| I have difficulty controlling my eyes. | 0.61 | 0.02 | 0.85 | 0.70 | ||
| I feel like vomiting. | 0.45 | 0.32 | 0.29 | 0.61 | 0.26 | 0.50 |
| I have “sour” stomach. | 0.21 | 0.53 | 0.88 | 0.65 | ||
| I am constipated. | 0.07 | 0.50 | 0.87 | 0.75 | ||
| I have indigestion. | −0.01 | 0.97 | 0.88 | 0.85 | ||
| After eating I have digestive problems. | 0.14 | 0.81 | 0.88 | 0.88 | ||
| I have diarrhea. | 0.29 | 0.43 | 0.81 | 0.82 | ||