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. 2016 Jun 22;4(2):e78. doi: 10.2196/mhealth.5768

Table 2.

Comparison of self-reported weight, BMIa, and physical activity in intervention (n=123) versus control (n=125) at baseline, end of program (3 months), and end of maintenance periods (9 months).


Baseline=0 months,
mean (SD)b,c
End of program=3 months,
mean difference (SD)c
End of maintenance=9 months,
mean difference (SD)c

TXT2BFiT Control TXT2BFiT Control Model β (95% CI) TXT2BFiT Control Model β (95% CI)
Weight, kg

78.4 (11.2) 79.3 (12.6) −2.2 (3.1) −0.23 (2.3) −3.7 (−6.1 to −1.3)
P=.003
−3.8 (4.9) −0.80 (3.7) −4.3 (−6.9 to −1.8)
P=.001
BMI, kg/m2

27.3 (2.3) 27.0 (2.7) −0.76 (1.0) −0.08 (0.78) −0.56 (−1.22 to 0.09)
P=.093
−1.30 (1.7) −0.26 (1.28) −0.78 (−1.53 to −0.02)
P=.044

Physical activity, MET-min

1620 (1581) 1647 (1475) 625 (1932) 302 (1411) 333 (−206 to 871)
P=.225
872 (1918) 797 (2115) 70 (−474 to 614)
P=.801
Physical activity, days

6.6 (3.3) 7.4 (3.8) 2.1 (3.8) 0.5 (3.7) 1.0 (0.0 to 2.0)
P=.050
2.1 (4.3) 1.3 (4.4) 0.2 (−0.8 to 1.3)
P=.679

WHO-5 score

11.8 (4.7) 12.9 (4.5) 3.2 (4.7) 1.2 (4.7) 0.9 (−0.4 to 2.1)
P=.176
3.4 (4.5) 1.4 (5.2) 0.8 (−0.5 to 2.1)
P=.202

aBMI: body mass index.

bSD: standard deviation.

cMean difference between groups (95% confidence intervals) adjusted for practice and sex