Table 4 Between-group differences on buffet related variables at mid-treatment and end of treatment

Remission status

Not remitted

Partially remitted

Full remission

% Daily kcal consumed

H(2) = 1.966, p = .374, η² = − .001, 90% CI[− .06, .26]

H(2) = 2.095, p = .351, η² = .005, 90% CI [− .07, .46]

Caloric density

H(2) = 5.119, p = .077, η² = .111, 90% CI[− .01, .35]

H(2) = 4.960, p = .084, η² = .164, 90% CI[− .03, .56]

% Intake from protein

H(2) = 0.438, p = .803, η² = − .056, 90% CI[− .07, .19]

H(2) = 2.434, p = .296, η² = .024, 90%CI[− .05, .34]

% Intake from fats

H(2) = 1.283, p = .527, η² = -.026, 90%CI[-.06, .21]

H(2) = 2.451, p = .294, η² = .025, 90%CI[-.05, .39]

% Intake from carbohydrates

H(2) = 1.971, p = .373, η² = − .001, 90% CI[− .06, .26]

H(2) = 1.693, p = .429, η² = − .017, 90% CI[− .08, .29]

Non-caloric liquid consumption

H(2) = 0.781, p = .677, η² = − .044, 90% CI[− .07, .19]

H(2) = 3.379, p = .185, η² = − .077, 90% CI[− .05, .4]

FBT Phase

Phase I

Phase II

Phase III

% Daily kcal consumed

H(2) = 5.399, p = .067, η² = .121 90% CI[− .02, .35]

H(2) = 1.234, p = .540, η² = − .043, 90% CI[− .1, .23]

Caloric density

H(2) = 5.999, p = .050, η² = .143, 90% CI[− .000, .39]

H(2) = 1.407, p = .495, η² = − .033, 90% CI[− .1, .34]

% Intake from protein

H(2) = 0.794, p = .672, η² = − .043, 90% CI[− .07, .16]

H(2) = 1.273, p = .529, η² = − .040, 90% CI[− .1, .35]

% Intake from fats

H(2) = 4.724, p = .094, η² = .097, 90% CI[− .03, .36]

H(2) = 0.606, p = .739, η² = − .077, 90% CI[− .1, .35]

% Intake from carbohydrates

H(2) = 0.052, p = .974, η² = − .070, 90% CI[− .07, .09]

H(2) = 0.890, p = .641, η² = − .062, 90% CI[− .1, .33]

Non-caloric liquid consumption

H(2) = 1.934, p = .380, η² = − .002, 90% CI[− .04, .19]

H(2) = 1.234, p = .540, η² = − .105, 90% CI[− .11, .23]

Higher level of care referral

No

Yes

% Daily kcal consumed

–

t(16) = 0.075, p = .941, Hedge’s g = 0.037, 95% CI[− 0.945, 1.1019]

Caloric density

–

(t(16) = 0.253, p = .803, Hedge’s g = 0.127, 95% CI[− 0.858, 1.108]

% Intake from protein

–

t(16) = − 1.536, p = .144, Hedge’s g = − 0.770, 95% CI[− 1.776, 0.259]

% Intake from fats

–

t(16) = − 1.578, p = .134, Hedge’s g = − 0.791, 95% CI[− 1.798, 0.240]

% Intake from carbohydrates

–

Mann Whitney U = 76.000, z = − 0.212, p = .856

Non-caloric liquid consumption

–

t(16) = 0.076, p = .941, Hedge’s g = 0.038, 95% CI[− 0.945, 1.020]