Table 5.
Social support and self-efficacy change from randomization to 9-month follow-up
| Value at randomization | Change, randomization to 9-month follow-up |
||||
|---|---|---|---|---|---|
| Intervention Mean (SD) n=41 |
Control Mean (SD) n=40 |
Intervention Mean (SD) |
Control Mean (SD) |
Difference between groups P-valuea |
|
| Social support scales | |||||
| Healthy eating encouragement, familyb | 12.0 (4.5) | 9.6 (4.4) | −0.9 (5.4) | 0.7 (3.5) | 0.12 |
| Healthy eating discouragement, familyc | 7.9 (3.2) | 8.1 (3.3) | 0.5 (3.0) | −0.3 (3.4) | 0.28 |
| Healthy eating encouragement, friendsb | 10.7 (4.9) | 10.8 (4.5) | −0.4 (4.0) | −1.2 (3.6) | 0.36 |
| Healthy eating discouragement, friendsc | 7.1 (3.2) | 6.8 (3.1) | 0.3 (2.7) | 0.0 (2.9) | 0.61 |
| Exercise, familyd | 8.3 (3.4) | 7.7 (3.7) | −0.4 (3.5) | −0.5 (3.3) | 0.96 |
| Exercise, friendsd | 7.6 (3.5) | 7.3 (3.7) | −0.3 (3.8) | −0.1 (4.2) | 0.78 |
| Self-efficacy scalese | |||||
| Healthy eating | 4.1 (0.7) | 3.9 (0.7) | −0.2 (0.7) | 0.0 (0.8) | 0.12 |
| Exercise | 3.8 (0.8) | 3.6 (0.9) | −0.5 (0.9) | −0.2 (1.1) | 0.11 |
a
From two-sample t-test. Only participants with complete social support/self-efficacy data at baseline, randomization and follow-up were included in the analyses
b
Theoretical range: 4 (low encouragement) to 20 (high encouragement)
c
Theoretical range: 3 (low discouragement) to 15 (high discouragement)
d
Theoretical range: 3 (low support) to 15 (high support)
e
Mean of 3 items with responses on a scale from 1 (I know I cannot) to 5 (I know I can)