Table 2. Intervention information on the participants.

Sample Characteristics	Male (n=1,699)	Female (n=295)
BW change, kg a	−1.37 (−1.51 to −1.22)	−1.37 (−1.74 to −1.01)
BMI change, kg/m2 a	−0.46 (−0.50 to −0.41)	−0.54 (−0.68 to −0.39)
WC change, cm a	−1.05 (−1.24 to −0.86)	−2.05 (−2.60 to −1.51)
Videophone communications, n a	1.52 (1.48–1.56)	1.53 (1.45–1.61)
Messages, n a	3.01 (2.98–3.04)	2.88 (2.81–2.96)
Number of days delayed a	16.8 (15.0–18.7)	15.7 (11.8–19.6)

BMI, body mass index; BW, body weight; WC, waist circumference.

^a Mean (95% confidence interval)