Table 2.
Baseline characteristics of the participants in each group (N=196).
| Variables | Text message group (n=101) |
Control group (n=95) |
P a | |
| Age (years), mean (SD) | 41.02 (6.82) | 41.55 (6.98) | .59 | |
| Body mass index (kg/m2), mean (SD) | 28.00 (2.15) | 27.61 (2.45) | .25 | |
| Weight, mean (SD), kg | 83.24 (8.75) | 81.89 (9.29) | .30 | |
| Percent body fat (%), mean (SD) | 25.23 (3.67) | 25.75 (3.45) | .31 | |
| Systolic blood pressure (mm Hg), mean (SD) | 125.62 (14.74) | 123.27 (13.45) | .25 | |
| Diastolic blood pressure (mm Hg), mean (SD), | 78.97 (10.38) | 77.14 (9.98) | .21 | |
| Fasting glucose (mg/dL), mean (SD) | 96.33 (17.06) | 96.19 (14.51) | .95 | |
| Triglycerides (mg/dL), mean (SD) | 169.10 (94.83) | 175.17(98.06) | .66 | |
| First attempt at weight loss, n (%) | 52 (51) | 46 (48) | .77 | |
|
|
Current smoker, n (%) | 32 (32) | 26 (27) | .61 |
|
|
At-risk drinking, n (%)b | 31 (31) | 28 (29) | .97 |
| Physical activity, n (%) c |
|
|
|
|
|
|
Moderate | 17 (17) | 26 (27) | .19 |
|
|
High | 25 (25) | 19 (20) |
|
| Eating pattern |
|
|
|
|
|
|
Rapid eating | 41 (41) | 41 (43) | .83 |
|
|
Irregular eating | 7 (7) | 9 (9) | .69 |
|
|
Emotional eating | 4 (4) | 6 (6) | .67 |
| Married, n (%) | 84 (83) | 77 (81) | .84 | |
| Obesity-related QOL scales,d mean (SD) | 26.21 (8. 78) | 25.57 (10.08) | .74 | |
| Comorbidities, n (%) |
|
|
|
|
|
|
Hypertension | 15 (15) | 12 (13) | .81 |
|
|
Diabetes | 6 (6) | 4 (4) | .82 |
|
|
Hyperlipidemia | 26 (26) | 30 (32) | .45 |
a P value was calculated by the t test for continuous variables and the chi-square test for categorical variables.
b At-risk drinking was defined by average alcohol intake more than 35 g/day.
c Physical activity assessed by IPAQ-SF (International Physical Activity Questionnaire-Short Form) and categorized.
d Korean version of obesity-related quality-of-life (QOL) scales.