2.2.2. Eating Attitudes Test 26 (EAT-26)
The EAT-26 RGD Peptides a self-report instrument assessing attitudes and behaviors related to ED (6-point Likert scale: “always” to “never”) (Garner, Olmstead, Bohr, & Garfinkel, 1982). The Spanish version (Castro, Toro, Salamero, & Quimera, 1991) shows good internal consistency in the present study in non-clinical (α = .86) and clinical (α = .86) groups.
2.2.3. Penn State Worry Questionnaire (PSWQ)
The PSWQ is a sixteen-item self-report inventory assessing dimensions of worry (Meyer, Miller, Metzger, & Borkovec, 1990). The Spanish version (Sandín, Chorot, Valiente, & Lostao, 2009) has excellent internal consistency in both non-clinical (α = .75) and clinical (α = .81) samples in the convergent evolution present study.
2.3. Procedure
2.4. Statistics
3. Results
3.1. Confirmatory factor analysis
The two-factor second-order model showed satisfactory values of goodness-of-fit indices for both clinical (χ2 = 26.5913; df = 18; NFI = 0.944; GFI = 0.981; RMSEA = 0.076) and non-clinical samples (χ2 = 13.4578; df = 18; NFI = 0.980; GFI = 1.00; RMSEA = 0.00). All observed variables had significant loadings ranging from 0.69 to 0.91 (preoccupations) and from 0.61 to 0.94 (rituals) in the clinical sample, and from 0.75 to 0.86 (preoccupations) and from 0.72 to 0.87 (rituals) in the non-clinical sample (p < 0.05).
The EAT-26 RGD Peptides a self-report instrument assessing attitudes and behaviors related to ED (6-point Likert scale: “always” to “never”) (Garner, Olmstead, Bohr, & Garfinkel, 1982). The Spanish version (Castro, Toro, Salamero, & Quimera, 1991) shows good internal consistency in the present study in non-clinical (α = .86) and clinical (α = .86) groups.
2.2.3. Penn State Worry Questionnaire (PSWQ)
The PSWQ is a sixteen-item self-report inventory assessing dimensions of worry (Meyer, Miller, Metzger, & Borkovec, 1990). The Spanish version (Sandín, Chorot, Valiente, & Lostao, 2009) has excellent internal consistency in both non-clinical (α = .75) and clinical (α = .81) samples in the convergent evolution present study.
2.3. Procedure
2.4. Statistics
3. Results
3.1. Confirmatory factor analysis
The two-factor second-order model showed satisfactory values of goodness-of-fit indices for both clinical (χ2 = 26.5913; df = 18; NFI = 0.944; GFI = 0.981; RMSEA = 0.076) and non-clinical samples (χ2 = 13.4578; df = 18; NFI = 0.980; GFI = 1.00; RMSEA = 0.00). All observed variables had significant loadings ranging from 0.69 to 0.91 (preoccupations) and from 0.61 to 0.94 (rituals) in the clinical sample, and from 0.75 to 0.86 (preoccupations) and from 0.72 to 0.87 (rituals) in the non-clinical sample (p < 0.05).