|
Short-term completer* N = 223
|
Short-term noncompleter N = 47
|
p-value
|
2-year completer N = 137
|
2-year noncompleter N = 133
|
p-value
|
---|
Age (years)
|
50 ± 8
|
46 ± 9
|
0.0033
|
51 ± 8
|
47 ± 8
|
0.0002
|
Race/ethnicity
| | |
0.6995
| | |
0.0490
|
NonHispanic White
|
190 (85%)
|
39 (83%)
| |
122 (89%)
|
107 (80%)
| |
Other
|
33 (15%)
|
8 (17%)
| |
15 (11%)
|
26 (20%)
| |
Education (missing = 2)
| | |
0.0644
| | |
0.6864
|
High school or less
|
8 (4%)
|
1 (2%)
| |
4 (3%)
|
5 (4%)
| |
Some college
|
34 (15%)
|
14 (30%)
| |
24 (18%)
|
24 (18%)
| |
College graduate
|
102 (46%)
|
14 (30%)
| |
64 (47%)
|
52 (40%)
| |
Professional degree
|
78 (35%)
|
17 (37%)
| |
45 (33%)
|
50 (38%)
| |
Employment (missing = 5)
| | |
0.0880
| | |
0.4907
|
Employed
|
181 (83%)
|
33 (72%)
| |
106 (79%)
|
108 (83%)
| |
Retired/keeping house/other
|
38 (17%)
|
13 (28%)
| |
28 (21%)
|
23 (18%)
| |
Insurance group
| | |
0.4122
| | |
0.1119
|
Healthy Blue Living
|
215 (96%)
|
44 (94%)
| |
134 (98%)
|
125 (94%)
| |
Other
|
8 (4%)
|
3 (6%)
| |
3 (2%)
|
8 (6%)
| |
Body Mass Index (kg/m
2
)
|
40 ± 5
|
43 ± 7
|
0.0177
|
40 ± 5
|
42 ± 6
|
0.0015
|
EQ-5D (missing = 3)
|
0.84 ± 0.13
|
0.82 ± 0.14
|
0.3662
|
0.85 ± 0.12
|
0.82 ± 0.14
|
0.0745
|
Mobility limitations
|
58 (26%)
|
10 (21%)
|
0.4675
|
36 (27%)
|
32 (24%)
|
0.6494
|
Self-care limitations
|
7 (3%)
|
0
|
0.6103
|
4 (3%)
|
3 (2%)
|
0.7242
|
Usual activities
|
52 (24%)
|
12 (26%)
|
0.7823
|
32 (24%)
|
32 (24%)
|
0.9179
|
Pain
|
141 (64%)
|
33 (70%)
|
0.4239
|
87 (64%)
|
87 (66%)
|
0.8017
|
Anxiety/depression
|
69 (31%)
|
17 (36%)
|
0.5221
|
36 (27%)
|
50 (38%)
|
0.0500
|
IWQOL-lite** (missing = 3)
|
68 ± 17
|
64 ± 19
|
0.1441
|
70 ± 17
|
65 ± 18
|
0.0138
|
IDS-SR*** (missing = 65)
|
14 ± 9
|
17 ± 10
|
0.0826
|
13 ± 9
|
16 ± 10
|
0.0331
|
- *Short-term completers defined as those with a visit at or after 6 months.
- **Impact of Weight on Quality-of-Life-Lite.
- ***Inventory of Depressive Symptomatology-Self Report.