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.

Yardley et al.

Yardley et al. International Journal of Behavioral Nutrition and Physical Activity 2014 11:67   doi:10.1186/1479-5868-11-67

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