TABLE 2.
Observed prevalence of eating behaviors and pathology among adults prior to bariatric surgery through 7 years post-surgery, by surgical procedure
| Time in relation to surgery, no./Total (%) |
|||||||
|---|---|---|---|---|---|---|---|
| Pre-surgery | Year 1 | Year 2 | Year 3 | Year 4 | Year 5 | Year 7 | |
| RYGB | (n = 111) | (n = 101) | (n = 90) | (n = 79) | (n = 80) | (n = 78) | (n = 74) |
| Episodes of bulimia and overeatinga | |||||||
| Objective bulimic episodes | 9 (8.1) | 0 (0.0) | 2 (2.0) | 2 (2.5) | 1 (1.3) | 1 (1.3) | 0 (0.0) |
| Subjective bulimic episodes | 6 (5.4) | 2 (2.0) | 2 (2.2) | 1 (1.3) | 4 (5.0) | 2 (2.6) | 3 (4.1) |
| Loss of control eating | 18 (16.2) | 2 (2.0) | 3 (3.3) | 4 (5.1) | 4 (5.0) | 2 (2.6) | 4 (5.4) |
| Objective overeating episodes | 9 (8.1) | 0 (0.0) | 1 (1.1) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) |
| Any compensatory methodb | 8 (7.2) | 5 (5.0) | 6 (6.7) | 5 (6.3) | 4 (5.0) | 1 (1.3) | 2 (2.7) |
| Regular evening hyperphagiac | 17 (15.3) | 2 (2.0) | 6 (6.7) | 4 (5.2) | 0 (0.0) | 3 (4.8) | 4 (5.6) |
| Picking or nibblingd | 35 (32.4) | 20 (20.0) | 16 (18.0) | 19 (25.0) | 20 (31.3) | 11 (18.0) | 5 (7.0) |
| Cravingse | 37 (33.6) | 33 (32.7) | 31 (34.4) | 19 (24.7) | 22 (33.3) | 19 (30.7) | 14 (19.4) |
| LAGB | (n = 73) | (n = 70) | (n = 65) | (n = 53) | (n = 51) | (n = 51) | (n = 36) |
| Episodes of bulimia and overeatinga | |||||||
| Objective bulimic episodes | 4 (5.5) | 2 (2.9) | 0 (0.0) | 2 (3.8) | 1 (2.0) | 1 (2.0) | 0 (0.0) |
| Subjective bulimic episodes | 6 (8.2) | 3 (4.3) | 4 (6.2) | 5 (9.4) | 3 (5.9) | 5 (9.8) | 2 (5.6) |
| Loss of control eating | 7 (9.6) | 5 (7.1) | 3 (4.6) | 5 (9.4) | 3 (5.9) | 5 (9.8) | 3 (8.3) |
| Objective overeating episodes | 8 (11.0) | 1 (1.4) | 1 (1.5) | 0 (0.0) | 1 (2.0) | 0 (0.0) | 0 (0.0) |
| Any compensatory methodb | 6 (8.2) | 3 (4.3) | 2 (3.1) | 2 (3.8) | 5 (9.8) | 1 (2.0) | 0 (0.0) |
| Regular evening hyperphagiac | 13 (18.1) | 9 (12.9) | 4 (6.3) | 4 (7.8) | 4 (8.7) | 7 (15.2) | 1 (2.9) |
| Picking or nibblingd | 33 (45.8) | 21 (30.0) | 17 (27.9) | 14 (28.0) | 16 (35.6) | 11 (26.2) | 10 (29.4) |
| Cravingse | 32 (43.8) | 25 (35.7) | 23 (36.0) | 13 (25.5) | 9 (19.6) | 13 (28.3) | 11 (31.4) |
Notes. LAGB = laparoscopic adjustable gastric banding; RYGB = Roux-en-Y gastric bypass.
a
At least weekly over the past 6 months.
b
Defined as having self-induced vomiting, chewing and spitting food, laxative misuse, diuretic misuse, or driven exercise at least once (i.e., present) in the past 6 months.
c
Defined as regular consumption of >25% of daily intake after supper (i.e., evening meal) over the last 28 days.
d
At least weekly over the last 28 days.
e
Rated their cravings strength as 4 or 5 on a 0 [none]-5 [extreme] scale over the last 28 days.