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. 2012 Mar 14;14(2):e44. doi: 10.2196/jmir.1901

Table 1.

Participant characteristics at baseline.

Group characteristics Total
(N = 539)
TI assigned group
(n = 269)
GI assigned group
(n = 270)
Age, mean (SD) 47.8 (9.4) 47.7 (9.2) 47.9 (9.7)
Male sex, % (n) 30.9 (164) 31.3 (84) 30.5 (80)
Education, % (n)
low 10.7 (49) 10.3 (24) 11.0 (25)
medium 50.2 (231) 48.7 (113) 52.0 (118)
high 39.1 (179) 40.9 (95) 37 (84)
Anthropometric measuresa
BMI Mean kg/m2 (SD) 28.04 (1.94) 28.17 (2.02) 27.91 (1.85)
% Normal weight (<25) (n) 4.2 (20) 4.2 (10) 4.1 (10)
% Overweight (25-30) (n) 78.5 (377) 75.3 (180) 81.7 (197)
% Obese (>30) (n) 17.3 (83) 20.5 (49) 14.1 (34)
Waist circumference, mean centimeters (SD) 95.78 (8.79) 95.89 (9.05) 95.66 (8.55)
Skinfold thickness, mean centimeters (SD) 8.82 (1.97) 8.87 (1.92) 8.77 (2.0)
Self-reported behaviorb
Physical activity, mean minutes/day (SD) 67.12 (54.3) 63.1 (50.4) 69.6 (42.4)
Fat intake, mean points/week (SD) 17.14 (6.1) 17.0 (6.0) 17.3 (6.2)
Sweetened drinks, mean servings/day (SD) 0.95 (1.2) 0.96 (1.2) 0.93 (1.2)
Snacks, mean number/day (SD) 2.28 (1.9) 2.2 (2.0) 2.3 (1.9)

a N(total) = 480, n(TI group) = 239, n(GI group = 241)

b N(total) = 457, n(TI group) = 231, n(GI group = 226)