Table 1:

Fat and Sweet Intake using Questionnaires

CATEGORY	STUDY	POPULATION	SURGERY TYPE	TIME SINCE SURGERY	METHOD	FINDINGS
Fats	Amundsen et al., 2017	42 female 7 male	RYGB	>1 YR (WEIGHT REGAIN VS WEIGHT LOSS)	Food Frequency Questionnaire	No difference in fat intake between suboptimal vs acceptable weight loss
Fats	Bavaresco et al., 2010	41 female 7 male	RYGB	PRE, 1, 3, 6, 8, 12 MO	24 hour dietary recall + NUTWIN-UNIFESP software	↓ fat intake at all times tested
Fats	Brolin et al., 1994	117 female 21 male	RYGB, Vertical Banded Gastroplasty	PRE, 6, 12, 18, 24, 36 MO	Verbal report intake + nutrition modeling software	↓ fat intake at 6 & 36 MO
Fats	Chou et al., 2017	30 female 10 male	SG	5 YR	Food Frequency Questionnaire	No relationship between fat intake and weight loss
Fats	Coluzzi et al., 2016	22 female 8 male	SG	PRE, 6, 12, 24 MO	Modified Suter Questionnaire	↓ interest in fats at 6, 12, and 24 MO
Fats	Coughlin et al., 1983	21 female 4 male	RYGB	PRE, 1, 3, 6, 12 MO	Dietary recall & checklist	↓ fat intake before reaching a plateau at 6 MO
Fats	Da Silva et al., 2016	71 female 9 male (61 weight stable vs. 19 weight regain)	RYGB	42 MO	Healthy Eating Index	No difference of fat intake between weight regain vs. weight stable subjects
Fats	Furtado et al., 2018	88 female 17 male (64 success vs. 41 failure)	RYGB	48–56 MO	24 hour dietary recall + Avanutri software	No difference in fat intake between weight loss failure vs. success groups
Fats	Halmi et al., 1981	70 female 10 male	RYGB	PRE, 6, 12, 24 MO	Structured interview	↓ fat intake
Fats	Kenler et al., 1990	81 female 23 male	RYGB, Horizontal Gastroplasty	PRE, 6 MO INTERVALS UP TO 24 MO	Verbal report intake + nutrition modeling software	↔ fat intake
Fats	Kruseman et al., 2010	80 female 0 male	RYGB	PRE, 8 YR	4 day dietary intake record	↓ fat intake (trend)
Fats	Laurenius et al., 2013	31 female 12 male	RYGB	PRE, 6 W, 6 MO, 2 YR	Swedish Obese Subjects Questionnaire	↓ fat intake at all times fisted
Fats	Molin Netto et al., 2017	39 female 2 male	RYGB	PRE, 6 MO	Food Frequency Questionnaire	↓ fat intake
Fats	Sarwer et al., 2017	219 female 69 male (adolescent)	RYGB, SG	PRE, 6, 12, 24 MO	Minnesota Nutrition Data System	↓ fat intake
Sweets	Amundsen et al., 2017	42 female 7 male	RYGB	>1 YR (WEIGHT REGAIN VS WEIGHT LOSS)	Food Frequency Questionnaire	No difference added sugar intake between suboptimal vs. acceptable weight loss
Sweets	Brolin et al., 1994	117 female 21 male	RYGB, Vertical Banded Gastroplasty	PRE, 6, 12, 18, 24, 36 MO	Verbal report intake + nutrition modeling software	↓ sweet intake at 6, 12, 18, & 24 MO
Sweets	Coluzzi et al., 2016	22 female 8 male	SG	PRE, 6, 12, 24 MO	Modified Suter Questionnaire	↓ interest in sweets at 6, 12, and 24 MO
Sweets	Da Silva et al., 2016	71 female 9 male (61 weight stable vs. 19 weight regain)	RYGB	42 MO	Healthy Eating Index	No difference of sweet intake between weight regain vs. weight stable subjects
Sweets	Ernst et al., 2009	165 female 46 male	RYGB, LAGB	>/= 1 YR	Food Frequency Questionnaire	↓ consumption of fatty sweets (desserts) post-RYGB
Sweets	Furtado et al., 2018	88 female 17 male (64 success vs. 41 failure)	RYGB	48–56 MO	24 hour dietary recall + Avanutri software	↑ dessert intake in weight loss success group
Sweets	Kenler et al., 1990	81 female 23 male	RYGB, Horizontal Gastroplasty	PRE, 6 MO INTERVALS UP TO 24 MO	Verbal report intake + nutrition modeling software	↓ decreased sweet intake
Sweets	Ullrich et al., 2013	44 patients	RYGB	PRE, ~16 MO	Power of Food Scale, Food Frequency Questionnaire	↓ consumption fatty sweets (desserts)