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.