Table 3.

Factor loadings of AHS items based on principal axis factoring.

Item	Headache and Thirst	Gastric and Cardiovascular Symptoms
Headache	0.587	0.082
Thirsty	0.506	−0.069
Tired	0.456	0.072
Nausea	−0.102	0.894
Dizziness/faintness	−0.065	0.641
Heart racing	0.088	0.535
Stomach ache	0.024	0.532
Loss of appetite	0.164	0.47
Eigenvalues	1.252	2.906
Factor correlation	0.452