Table 3.
Comparison of intervention receipt and weight change in the intervention groups (mean, s.d.; whole sample)
| |
Intervention arm |
|||
|---|---|---|---|---|
|
Usual care |
Web-based only |
Basic nurse support |
Regular nurse support |
|
|
(n = 43) |
(n = 45) |
(n = 44) |
(n = 47) |
|
| Mean | Mean | Mean | Mean | |
| Mean weight and goal reviews completed |
- |
8.60 (S.D. 10.43) |
7.73 (S.D. 10.75) |
9.47 (S.D. 10.37) |
| Mean sessions of nurse support (all formats) |
1.85 (3.48) |
1.31 (2.68) |
3.11 (2.12) |
4.49 (2.82) |
| Mean sessions of face-to-face nurse support |
1.46 (3.08) |
1.17 (2.70) |
1.80 (1.88) |
3.06 (2.75) |
| Mean sessions of phone nurse support |
0.34 (0.94) |
0.16 (0.45) |
1.00 (1.41) |
0.62 (0.97) |
| Mean sessions of email nurse support |
0.05 (0.22) |
0.07 (0.33) |
0.32 (0.80) |
0.81 (1.53) |
| Weight at 6 months*a |
99.38 (C.I. 97.66 to 101.10) |
99.00 (C.I. 97.32 to 100.68) |
97.92 (C.I. 96.20 to 99.63) |
97.14 (C.I. 95.50 to 98.78) |
| Weight at 12 months*a |
98.89 (C.I. 97.19 to 100.58) |
98.92 (C.I. 97.26 to 100.59) |
97.02 (C.I. 95.34 to 98.70) |
98.76 (97.14 to 100.39) |
| (db = 0.01) |
(d = -0.34) |
(d = -0.02) |
||
| Weight change from baseline at 6 months* |
-1.99 (C.I. -0.56 to -3.41) |
-2.36 (C.I. -1.17 to -3.54) |
-3.45 (C.I. -1.71 to -5.19) |
-4.23 (C.I. -1.98 to -6.47) |
| Weight change from baseline at 12 months* |
-2.44 (C.I. -0.85 to -4.03) |
-2.30 (C.I. -0.98 to -3.62) |
-4.31 (C.I. -2.39 to -6.22) |
-2.50 (C.I. -0.63 to -4.38) |
| Number (%) of participants losing ≥5% of initial body weight at 12 months* | 9 (20.9%) | 11 (24.4%) | 13 (29.5%) | 13 (27.7%) |
*Intention to treat analysis.
aAdjusting for weight at baseline.
bd = effect size.