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. Author manuscript; available in PMC: 2012 Aug 1.
Published in final edited form as: J Adolesc Health. 2011 Mar 12;49(2):148–154. doi: 10.1016/j.jadohealth.2010.11.243

Table 2.

Means and standard deviations for all outcome variables

Variable Intervention Control
T0 T1* T2* T3* T0 T1* T2* T3*
Body mass index** 20.79 (3.12) 20.76 (3.08) 20.25 (3.21) 20.21 (3.13)
Waist-to-hip ratio 0.91 (0.04) 0.90 (0.04) 0.89 (0.04) 0.88 (0.04) 0.89 (0.04) 0.89 (0.04) 0.89 (0.04) 0.89 (0.04)
Systolic blood pressure 102.02 (5.9) 101.92 (6.05) 101.76 (4.52) 101.12 (5.72) 101.13 (4.55) 100.59 (5.86) 100.26 (5.40) 100.0 (6.12)
Diastolic blood pressure 63.26 (8.19) 61.31 (8.39) 61.04 (8.41) 61.20 (8.08) 60.43 (9.98) 61.14 (11.44) 61.35 (9.94) 61.50 (9.84)
Actigraphy results, count per minute 634.85 (107.07) 674.72 (76.51) 671.54 (79.25) 674.37 (76.52) 624.89 (110.72) 617.1 (96.12) 610.75 (105.47) 615.67 (106.77)
Fat, % 29.34 (2.42) 28.37 (2.44) 28.09 (2.27) 27.99 (2.04) 28.34 (2.91) 27.95 (2.88) 27.72 (3.29) 27.78 (2.57)
Vegetables and fruit, servings per day 2.19 (0.48) 2.36 (0.64) 2.41 (0.64) 2.63 (0.71) 2.28 (0.61) 2.14 (0.66) 2.11 (0.55) 2.34 (0.66)
Physical activity knowledge 2.70 (0.78) 3.19 (0.68) 3.37 (0.69) 3.29 (0.82) 2.85 (0.82) 2.88 (0.83) 2.91 (0.67) 2.61 (0.71)
Nutrition knowledge 2.74 (0.81) 2.92 (0.74) 2.77 (0.71) 3.04 (0.71) 2.59 (0.89) 2.65 (0.94) 2.82 (0.80) 2.76 (0.78)
Physical activity self-efficacy 2.55 (0.46) 2.81 (0.24) 2.72 (0.23) 2.72 (0.27) 2.49 (0.45) 2.51 (0.34) 2.39 (0.25) 2.44 (0.24)
Nutrition self-efficacy 2.59 (0.29) 2.63 (0.28) 2.63 (0.26) 2.59 (0.27) 2.54 (0.32) 2.54 (0.30) 2.36 (0.27) 2.52 (0.29)
*

T1 was 2 months, T2 was 6 months, and T3 was 8 months after the baseline assessment.

**

Calculated as weight in kilograms divided by height in meters squared.