Table 1 Pattern matrix for the final five-factor solution of the FORCES with 19 Items

Eigenvalues (% variance explained)

2.04 (10.72)

7.13 (37.51)

0.98 (5.15)

1.51 (7.93)

2.40 (12.61)

Strict Behaviours Subscale (α = .85, ω = .86)

 The tendency to engage in specific rigid behaviours relating to the control of food intake

  I follow strict rules about how much I can eat

0.777

-0.008

-0.122

-0.014

-0.010

  I pay very close attention to what I eat

0.733

-0.016

0.006

-0.075

0.007

  I spend a lot of time making sure that I am following my diet

0.713

0.098

-0.018

-0.096

-0.004

  I check the nutritional content of what I eat

0.676

0.005

0.046

0.000

0.039

  I keep a detailed record of what I eat

0.659

-0.004

-0.035

0.100

-0.047

Negative Emotions Subscale (α = .93, ω = .93)

 The experience of negative emotions following the consumption of something that an individual would normally not allow themselves to eat

  If I eat something that I would normally not allow myself to eat, I feel like a failure

-0.143

0.857

-0.119

-0.013

0.012

  If I eat something that I would normally not allow myself to eat, I feel mad at myself

0.044

0.850

-0.003

-0.019

0.005

  If I eat something that I would normally not allow myself to eat, I feel disappointed in myself

-0.039

0.836

-0.095

0.011

0.001

  If I eat something that I would normally not allow myself to eat, I feel upset

0.044

0.827

0.010

-0.035

-0.036

  If I eat something that I would normally not allow myself to eat, I feel tense, irritable, and/or depressed

0.132

0.777

0.072

0.012

-0.014

Worry Subscale (α = .86, ω = .87)

 The degree to which an individual is concerned about their ability to maintain control over their food intake

  I worry that I will lose control over how much I eat

0.017

-0.046

-0.925

0.011

-0.036

  I worry that I will lose control over what I eat

0.002

0.071

-0.820

-0.077

0.044

  I feel like food controls me, rather than the other way around

0.106

0.157

-0.543

0.039

-0.039

Flexible Beliefs Subscale (α = .82, ω = .83)

 The degree to which an individual believes that any food is acceptable to consume occasionally and/or in small amounts

  I think that any food is okay to eat occasionally

0.055

-0.023

0.012

0.960

-0.066

  I think that any food is okay to eat in small amounts

-0.051

0.076

0.072

0.770

0.027

  It is okay to sometimes eat foods that I would normally not allow myself to eat

-0.039

-0.097

-0.065

0.571

0.104

Positive Emotions Subscale (α = .84, ω = .84)

 The experience of positive emotions after eating something that an individual would normally not allow themselves to eat

  If I eat something that I would normally not allow myself to eat, I feel delighted

0.009

0.017

0.018

-0.040

0.805

  If I eat something that I would normally not allow myself to eat, I feel pleasure

0.009

-0.027

-0.028

0.002

0.794

  If I eat something that I would normally not allow myself to eat, I feel satisfied

-0.005

0.009

0.020

0.073

0.772