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. Author manuscript; available in PMC: 2017 Jan 1.
Published in final edited form as: Surg Obes Relat Dis. 2015 Jun 15;12(1):171–178. doi: 10.1016/j.soard.2015.06.007

Table 1. Demographic and Clinical Characteristics of Bariatric Surgery Patients.

Characteristic Overall Sample N (%) Never Used Marijuana n=22 n (%) Marijuana Use in Last 30-days n=9 n (%) P Recent Marijuana Use n=19 n (%) P†† Increased Marijuana Use Since Surgery n=6 n (%) P†††
Gender 0.05 0.76 0.65
 Male 12 (24.0) 2 (9.1) 2 (22.2) 5 (26.3) 1 (16.7)
 Female 38 (76.0) 20 (90.9) 7 (77.8) 14 (73.7) 5 (83.3)
Race 0.42 0.45 0.11
 Hispanic 28 (56.0) 11 (50.0) 5 (55.6) 11 (57.9) 3 (50.0)
 Non-Hispanic Black 17 (34.0) 10 (45.5) 2 (22.2) 5 (26.3) 1 (16.7)
 Non-Hispanic White 5 (10.0) 1 (4.5) 2 (22.2) 3 (15.8) 2 (33.3)
Currently Employed 33 (68.8) 14 (66.7) 3 (33.3) 0.01 11 (61.1) 0.52 2 (33.3) 0.07
Marital Status 0.71 0.20 0.01
 Married 20 (41.6) 9 (45.0) 3 (33.3) 7 (36.8) 1 (16.7)
 Divorced 2 (4.2) 0 (0) 1 (11.1) 2 (10.5) 2 (33.3)
 Never Married 26 (54.2) 11 (55.0) 5 (55.6) 10 (52.6) 3 (50.0)
Surgery Type 0.33 0.28 0.11
 Sleeve Gastrectomy 13 (26.0) 8 (36.4) 1 (11.1) 5 (26.3) 0
 Roux-en-Y Gastric Bypass 31 (62.0) 13 (59.1) 7 (77.8) 10 (52.6) 4 (66.7)
 Adjustable Band Gastroplasty 6 (12.0) 1 (4.5) 1 (11.1) 4 (21.1) 2 (33.3)
Mean (SD) Mean (SD) Mean (SD) Mean (SD) Mean (SD)
Age (years) 28.04 (5.8) 27.1 (5.5) 28.5 (5.8) 0.81 27.5 (5.6) 0.66 25.3 (6.4) 0.23
Time Since Surgery (years) 2.11 (1.12) 1.75 (0.97) 2.3 (1.5) 0.46 2.6 (1.3) 0.01 3.2 (1.1) 0.02
Pre-Surgical Body Mass Index 49.1 (12.7) 46.6 (8.9) 60.4 (21.7) 0.01 53.3 (18.1) 0.02 46.0 (5.8) 0.11
Post-Surgical Body Mass Index 35.2 (10.4) 35.3 (15.7) 39.6 (15.7) 0.21 37.0 (12.5) 0.53 30.4 (3.9) 0.06

Compared to those who did not report marijuana use in last 30-days (Fisher's Exact Test)

††

Compared to those who did not report regular marijuana use in lifetime (Fisher's Exact Test)

†††

Compared to those who did not report increased marijuana use after surgery (Fisher's Exact Test)