Table 4.
Differences in Adjusted Mean between the Intervention and Control Groups*
| 2- month post-intervention | |||||
|---|---|---|---|---|---|
| Outcome variables | Intervention group Mean (SD) |
Control group Mean (SD) |
Effect size |
95% CI effect size | |
| Lower | Upper | ||||
| Primary outcomes1 | |||||
| Body weight (lbs) | 189.66 (12.24) | 192.85 (12.24) | −0.26a | −0.79 | 0.28 |
| Blood glucose (mg/dl)# | 91.56 (14.16) | 97.46 (14.13) | −0.40 a | −0.95 | 0.13 |
| Secondary outcomes2 | |||||
| Fat intake (% of total calories from fat) | 31.81 (5.81) | 32.12 (5.75) | −0.05a | −0.54 | 0.44 |
| Fruit and vegetable intake (cups/day) | 6.33 (3.42) | 4.73 (3.41) | 0.46a | −0.03 | 0.96 |
| Physical activity (MET) | 41.09 (29.87) | 33.51 (29.34) | 0.25a | −0.24 | 0.74 |
| Perceived stress | 2.15 (0.36) | 2.23 (0.37) | −0.21 | −0.70 | 0.28 |
| Positive feelings | 3.46 (0.62) | 3.39 (0.56) | 0.11a | −0.37 | 0.61 |
| Negative feelings | 3.71 (0.62) | 3.85 (0.63) | −0.22 | −0.71 | 0.27 |
| 8-month post-intervention | |||||
| Primary outcomes3 | |||||
| Body weight (lbs) | 187.79 (12.43) | 188.17 (12.22) | −0.03a | −0.73 | 0.67 |
| Blood glucose (mg/dl) # | 93.51 (14.16) | 89.35 (14.39) | 0.28 | −0.42 | 0.98 |
| Secondary outcomes4 | |||||
| Fat intake (% of total calories from fat) | 34.20 (7.16) | 32.34 (7.01) | 0.26 | −0.34 | 0.86 |
| Fruit and vegetable intake (cups/day) | 3.87 (3.52) | 5.56 (3.50) | −0.47 | −1.08 | 0.13 |
| Physical activity (MET) | 53.20 (30.24) | 36.02 (29.30) | 0.57a | −0.04 | 1.18 |
| Perceived stress | 2.75 (0.40) | 2.76 (0.39) | −0.02 | −0.62 | 0.58 |
| Positive feelings | 3.62 (0.64) | 3.45 (0.62) | 0.27a | -0.34 | 0.87 |
| Negative feelings | 3.70 (0.64) | 3.77 (0.62) | −0.11 | −0.71 | 0.49 |
*
Adjusted each baseline primary and secondary outcome variable.
a
Effect in hypothesized direction. Lower scores are more favorable in the shaded rows.
#
Fasting and non fasting (random) blood glucose via finger stick.
1
Data collected from 57/129 participants (intervention = 22, control = 35).
2
Data collected from 70/129 participants (intervention = 28, control = 42).
3
Data collected from 38/129 participants (intervention = 12, control = 26).
4
Data collected from 48/129 participants (intervention = 16, control = 32). Reasons for high dropped out are described elsewhere.36