Table 2. Means and standard deviations of subscales scores in experimental and comparison groups at pre-test .
| Variable | Possible range |
Experimental group
Mean (SD) |
Comparison group
Mean (SD) |
F | df | P value |
| Constructs | ||||||
| Participatory dialogueb | -20.00 - +20.00 | 8.84 (5.58) | 5.61 (5.22) | 4.27 | 1 | 0.04 |
| Advantages | 0.00 – 20.00 | 15.48 (4.27) | 13.61 (3.37) | 2.81 | 1 | 0.10 |
| Disadvantages | 0.00 – 20.00 | 6.64 (2.90) | 8.0 (2.83) | 2.70 | 1 | 0.11 |
| Behavioral confidence | 0.00 – 20.00 | 11.84 (5.26) | 9.70 (3.87) | 2.55 | 1 | 0.12 |
| Change in physical environment | 0.00 – 12.00 | 6.88 (3.63) | 6.83 (2.85) | 0.003 | 1 | 0.95 |
| Intention to initiate physical activity | 0.00– 4.00 | 2.84 (1.18) | 2.39 (1.03) | 1.95 | 1 | 0.17 |
| Emotional transformation | 0.00 – 12.00 | 9.04 (2.59) | 7.04 (2.70) | 6.82 | 1 | 0.012 |
| Practice for change | 0.00 – 12.00 | 7.60 (2.72) | 6.13 (2.05) | 4.40 | 1 | 0.42 |
| Change in social environment | 0.00 – 12.00 | 6.20 (3.49) | 5.26 (2.72) | 1.07 | 1 | 0.31 |
| Intention to sustain physical activity | 0.00 – 4.00 | 2.68 (1.07) | 2.09 (1.00) | 3.93 | 1 | 0.053 |
| Minutes of physical activitya | 150 minutes or more | 37.20 (46.85) | 41.96 (44.56) | 1.29 | 1 | 0.72 |
| Anthropometric measurements | ||||||
| BMI (weight: height ratio) | 31.55 (8.49) | 34.96 (8.32) | 1.96 | 1 | 0.17 | |
| Waist circumference (inches) | 38.88 (6.99) | 39.87 (6.48) | 0.26 | 1 | 0.61 | |
| Weight (pounds) | - | 191.72 (46.55) | 212.70 (66.53) | 1.62 | 1 | 0.21 |
| Height (inches) | - | 65.44 (3.00) | 64.78 (3.19) | 0.54 | 1 | 0.47 |
| Clinical measurements | ||||||
| Systolic blood pressure (mm Hg) | 133 (16.61) | 136 (23.33) | 0.27 | 1 | 0.61 | |
| Diastolic blood pressure (mm Hg) | 84.96(12.47) | 86.70 (15.42) | 0.19 | 1 | 0.67 | |
| Hypertensive systolic blood pressurec(mm Hg) | 130 or more | 143.47 (11.96) | 151.85 (18.29) | 2.11 | 1 | 0.16 |
| Hypertensive diastolic blood pressured(mm Hg) | 90 or more | 99.25 (10.78) | 106.00 (10.41) | 1.38 | 1 | 0.26 |
aThe U.S. Department of Health and Human Services recommended 30 minutes a day for 5 days or 150 minutes per week of moderate to vigorous aerobic physical activity.
bParticipatory dialogue is calculated by subtracting the disadvantages mean from the advantages mean
cThe participants were categorized as hypertensive systolic blood pressure (HTSBP), if SBP was measured as 130 mm Hg or greater.
dThe participants were categorized as hypertensive diastolic blood pressure (HTDBP), if DBP was measured as 90 mm Hg or greater.