Table 2.
Changes in physique and quality of life before and after intervention between groups (N=175).
| Changes in outcomes | Web-based self-disclosure health support (n=87) | Email health support (n=88) | P valuea | ||
|
|
|
|
Unadjusted | Adjustedb | |
| Physical changes mean (SD) |
|
|
|
|
|
|
|
Body weight (kg) | –1.6 (2.7) | –0.7 (2.3) | .02 | .04 |
|
|
Body mass index (kg/m2) | –0.6 (1.0) | –0.3 (0.8) | .03 | .05 |
|
|
Waist circumference (cm) | –3.3 (3.3) | –3.0 (3.9) | .64 | .71 |
| Changes in items on quality of life from SF-36, c mean (SD) | |||||
|
|
General health perception | 0.4 (13.3) | –1.4 (11.5) | .44 | .36 |
|
|
Vitality | 0.0 (13.3) | –0.6 (13.3) | .80 | .98 |
|
|
Role functioningd | 4.0 (26.1) | 4.7 (19.1) | .89 | .70 |
|
|
Mental health | 0.5 (17.1) | 1.1 (11.1) | .82 | .66 |
aAnalysis of covariance.
b P values were adjusted for sex, age, and the baseline value of the corresponding item at the first guidance interview.
cData from 57 participants in the Web-based self-disclosure health support system group and 59 participants in the email health support group were acquired.
dRole functioning: role functioning related to physical and emotional problems.