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. Author manuscript; available in PMC: 2021 Aug 1.
Published in final edited form as: Behav Res Ther. 2020 May 13;131:103639. doi: 10.1016/j.brat.2020.103639

Table 1.

Intercorrelations among adherence and weight loss variables.

Mean (SD) 2 3 3a 3b 3c 4 4a 4b 4c 5 6 7
1. Percent weight loss at week 52 (N=150) 9.8 (8.6) .602*** .451*** .255** .426*** .445*** .557*** .340*** .479*** .558*** .525*** .262 .245
2. Percent weight loss at week 6 (N=150) 4.1 (2.4) .394*** .369*** .392*** .324*** .349*** .405*** .352*** .290*** .177 .165 .169
3. Attendancea (percent of 21 sessions; N=150) 84.2 (27.1) .511*** .902*** .907*** .549*** .537*** .575*** .451*** .709*** .004 .146
 3a. Attendance week 1–4a (percent of 4 sessions; N=150) 94.2 (17.0) .435*** .357*** .264** .501*** .298*** .170* .144 −.058 .017
 3b. Attendance week 6–24 (percent of 10 sessions; N=150) 84.4 (29.7) .744*** .561*** .530*** .622*** .434*** .595*** .126 .147
 3c. Attendance week 28–52 (percent of 7 sessions; N=150) 77.5 (37.6) .511*** .477*** .513*** .440*** .726*** −.027 .118
4. Food record total (percent complete; N=150) 40.5 (32.0) .560*** .932*** 947*** .463*** .512** .442**
 4a. Food record week 1 −4 (percent complete; N=150) 74.8 (26.7) .636*** .373*** 444*** .180 .062
 4b. Food record week 5–24 (percent complete; N=150) 52.2 (37.1) .770*** .456*** .504** .333*
 4c. Food record week 25–52 (percent complete; N=150) 27.1 (34.8) .406*** .351* .307*
5. Medication adherence (percent taken; N=100) 71.2 (33.8) .169 .285
6. Meal replacement shake consumption (percent consumed; N=50) 54.1 (26.7) .520**
7. Portion controlled entree consumption (percent consumed; N=50) 47.2 (23.2)

Notes.

Mean and SD are presented from non-transformed data, but attendance variables were log transformed and medication adherence was square root transformed for use in all analyses.

*

= p < .05,

**

= p < .01,

***

= p < .001.