Skip to main content
. Author manuscript; available in PMC: 2018 Nov 18.
Published in final edited form as: Obes Surg. 2017 Jan;27(1):51–58. doi: 10.1007/s11695-016-2240-y

Table I.

Baseline characteristics and statistical comparisons for intervention and control groups, and for participants who did and did not complete the study.

Group Completed Assessments
Control
(n = 25)
Intervention
(n = 26)
p No
(n = 8)
Yes
(n = 43)
p
Age 46.6 ± 12.0 52.0 ± 10.9 0.14 47.1 ± 13.6 49.8 ± 11.4 0.31
% Female 21 (84%) 22 (84.6%) 1.00 8 (100%) 35 (81.4%) 0.33
Ethnicity 0.14 0.67
African American/Black 1 (4%) 3 (11.5%) 0 (0%) 4 (9.3%)
Hispanic 8 (32%) 5 (19.2%) 3 (37.5%) 10 (23.3%)
Other 0 (0%) 4 (15.4%) 1 (12.5%) 3 (7%)
White 16 (64%) 14 (53.8%) 4 (50%) 26 (60.5%)
Type of Surgery 0.69 0.06
Lap Band 1 (4%) 1 (3.8%) 1 (12.5%) 1 (2.3%)
Gastric Sleeve 7 (24%) 4 (15.4%) 3 (25%) 8 (18.6%)
Bypass 17 (68%) 21 (80.8%) 4 (50%) 34 (79.1%)
Time from Surgery to Baseline (months) 14.3 ± 5.9 13.2 ± 4.6 0.39 12.1 ± 5.2 14.0 ± 5.3 0.31
Weight Lost before Baseline (kgs) 33.1 ± 32.1 35.2 ± 37.4 0.88 40.5 ± 33.1 33.0 ± 35.1 0.57
Objectively Monitored Outcomes
6 Min Walk (meters) 503.1 ± 77.2 495.7 ± 111.2 0.62 488.7 ± 109.6 501.4 ± 93.5 1.00
8 Foot Up-and-Go (seconds) 6.2 ± 1.2 6.6 ± 2.0 0.71 6.9 ± 1.9 6.3 ± 1.6 0.26
Arm Curls (#) 15.0 ± 3.8 15.1 ± 6.1 0.71 14.6 ± 3.5 15.1 ± 5.3 0.69
Sit and Reach (cm) + 15 14.8 ± 4.4 16.1 ± 4.2 0.22 15.1 ± 3.3 15.6 ± 4.5 0.81
Chair Rise (#) 11.0 ± 3.5 11.0 ± 3.5 0.97 11.0 ± 3.4 11.0 ± 3.5 0.60
Steps per Day (Goal: 10,000) 6640.5 ±2795.5 6633.3 ±3352.8 0.865 4683.7 ±2019.8 7000.2 ±3100.85 0.03
Weight (kg) 93.4 ± 19.8 90.8 ± 23.0 0.52 94.4 ± 22.6 91.6 ± 21.3 0.82
BMI (kg/m2) at Surgery 44.5 ± 5.5 45.0 ± 7.6 0.77 45.6 ± 4.4 44.6 ± 6.9 0.71
BMI (kg/m2) at the Time of Enrollment in the Program 33.1 ± 5.8 32.7 ± 5.8 0.81 34.3 ± 5.8 32.6 ± 5.8 0.50
Self-Reported Outcomes
Flexibility (days/week) 1.7 ± 2.0 2.4 ± 2.7 0.52 1.8 ± 2.3 2.1 ± 2.4 0.86
Strength (days/week) 1.3 ± 1.8 2.6 ± 2.6 0.09 2.0 ± 1.6 1.9 ± 2.4 0.565
MVPA (min/week) 252.9 ± 180.5 291.1 ± 192.8 0.37 190.3 ± 153.4 288.4 ± 189.2 0.185
Sedentary Activity (min/day) 179.1 ± 70.4 166.5 ± 87.8 0.49 174.1 ± 87.2 172.2 ± 78.9 0.93