Table 4.
Factor Loadings of the Web Feature Utilization During Maintenance (7–12 months)
Factor A: Core Features | Factor B: Dietary Planning Tools | Factor C: Skill Building | Factor D: Physiological Tools | Factor E: News | Factor F: Social Support | Factor G: Calorie Information | |
---|---|---|---|---|---|---|---|
CalorieKing website |
0.80 |
0.26 |
0.05 |
−0.05 |
0.31 |
−0.04 |
−0.05 |
Past journal feedback |
0.90 |
0.20 |
0.03 |
0.03 |
0.14 |
−0.01 |
0.15 |
Progress graphs |
0.85 |
−0.02 |
−0.02 |
−0.05 |
−0.15 |
0.13 |
0.25 |
Exercise expenditure counter |
0.57 |
0.25 |
0.09 |
−0.09 |
0.17 |
−0.36 |
−0.14 |
“Carmen's story” |
0.59 |
0.03 |
0.06 |
0.48 |
0.35 |
0.12 |
−0.03 |
Bulletin board |
0.77 |
−0.06 |
0.05 |
0.07 |
0.10 |
0.50 |
0.03 |
Menu planner |
0.27 |
0.61 |
0.31 |
−0.01 |
0.31 |
−0.23 |
0.02 |
Portion size guide |
0.21 |
0.81 |
0.03 |
0.22 |
0.13 |
−0.04 |
0.03 |
Dining-out guides |
0.24 |
0.63 |
0.23 |
0.00 |
0.28 |
0.10 |
−0.21 |
Printed hard-copy of weekly journal |
−0.09 |
0.83 |
−0.13 |
−0.01 |
−0.08 |
0.28 |
0.15 |
Lessons |
0.19 |
0.21 |
0.70 |
−0.03 |
0.24 |
0.32 |
0.15 |
Recipes |
−0.04 |
−0.04 |
0.89 |
0.03 |
−0.06 |
0.00 |
0.01 |
“Pantry list” |
−0.12 |
0.08 |
0.43 |
0.36 |
0.34 |
0.24 |
0.00 |
“Need a boost” (motivational tips) |
0.10 |
0.07 |
0.79 |
0.19 |
0.10 |
0.08 |
0.03 |
Body mass index calculator |
0.09 |
0.08 |
0.11 |
0.83 |
0.13 |
0.05 |
−0.09 |
Waist-to-hip ratio calculator |
0.01 |
−0.01 |
−0.11 |
0.77 |
−0.21 |
0.09 |
0.05 |
Target heart rate calculator |
−0.08 |
0.09 |
0.27 |
0.79 |
0.02 |
−0.06 |
0.05 |
“Challenges” |
0.40 |
0.37 |
0.10 |
0.16 |
0.61 |
0.20 |
−0.13 |
News flashes |
0.40 |
0.19 |
0.21 |
0.20 |
0.57 |
0.07 |
0.20 |
Local events guide |
0.04 |
0.06 |
0.05 |
−0.09 |
0.75 |
0.08 |
0.18 |
Web chats |
0.21 |
0.23 |
0.18 |
0.17 |
−0.09 |
0.65 |
0.05 |
Biographical information/email addresses |
−0.01 |
0.00 |
0.16 |
−0.05 |
0.32 |
0.79 |
−0.10 |
“Pantry” |
0.31 |
0.14 |
0.06 |
−0.08 |
0.56 |
−0.10 |
0.54 |
USDA calorie database |
0.10 |
−0.02 |
0.10 |
0.03 |
0.18 |
0.00 |
0.90 |
Percent variance explained |
28.0 |
11.9 |
8.5 |
7.8 |
6.5 |
5.7 |
4.5 |
Cronbach's α |
0.85 |
0.77 |
0.77 |
0.75 |
0.72 |
0.66 |
0.70 |
Additive scale: factor features utilization (mean ± SD) | 115 ±170 | 1.2 ± 2.1 | 18 ± 15 | 0.6 ± 1.2 | 6 ± 6 | 13 ± 10 | 36 ± 90 |
USDA, U.S. Department of Agriculture; SD, standard deviation.