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Table 3 Change in body weight and BMI at 12-weeks

From: Feasibility, acceptability and potential effectiveness of a mobile health (mHealth) weight management programme for New Zealand adults

 

Intention to treat analysis

Completers only analysis

n = 53

n = 36

Mean (SD)

Mean (SD)

Baseline

12 weeks

Change from baseline

p-value*

Baseline

12 weeks

Change from baseline

p-value*

Body weight (kg)

100.9 (21.3)

99.9 (21.9)

-1.0 (3.1)

0.024

100.9 (21.3)

98.3 (22.5)

-1.4 (3.6)

0.023

BMI (kg/m2)

35.7 (6.8)

35.4 (7.1)

-0.3 (1.1)

0.026

35.7 (6.8)

34.9 (7.4)

-0.5 (1.3)

0.025

 

Median (range)

Median (range)

Baseline

12 weeks

Change from baseline

p-value

Baseline

12 weeks

Change from baseline

p-value

Body weight (kg)

97.9 (59.8, 165.0)

92.0 (60.4, 163.7)

0.0 (-13.1, 3.7)

0.066

97.9 (59.8, 165.0)

91.0 (60.4, 163.7)

-0.6 (-13.1, 3.65)

0.066

BMI (kg/m2)

34.6 (26.4, 56.8)

34.1 (25.4, 56.9)

0.0 (-4.6, 1.5)

0.07

34.6 (26.4, 56.8)

34.0 (25.4, 56.9)

-0.2 (-4.6, 1.5)

0.070

  1. *Paired t-test on the mean (parametric).
  2. Wilcoxon signed rank test on the median (non-parametric).