1. Table I Male Disc Participants: Mean (S.D.)
Baseline
Year 1
Year 3 N
362
342
346
Age
9.9 (0.6)
11.0 (0.6)
13.0 (0.7)
SBP
99.0 (8.0)
97.8 (8.0)
101.7 (8.7)
DBP
55.8 (11.0)
54.7 (10.5)
56.6 (10.3)
LDL-C
129.0 (12.3)
124.3 (19.0)
118.6 (21.4)
BMI
17.8 (2.5)
18.6 (3.0)
20.2 (3.4)
Tanner distribution
% Prepubertal
100%
49.9%
5.0%

2. Table II Female DISC Participants: Mean (S.D.)
Baseline
Year 1
Year 3 N
301
285
283
Age
9.2 (0.6)
10.3 (0.6)
12.2 (0.6)
SBP
95.6 (10.2)
96.2 (8.6)
98.5 (8.7)
DBP
53.3 (11.7)
52.8 (11.8)
56.5 (11.2)
LDL-C
132.4 (11.1)
125.5 (18.9)
115.4 (18.9)
BMI
17.2 (2.2)
18.0 (2.6)
19.7 (3.3)
Tanner distribution
% Prepubertal
100%
42.6%
2.2%

3. Table III Physical Activity: Total MET Score Males
Baseline
Year 1
Year 3 N
357
337
321
Mean (S.D.)
482.1 (49.2)
491.9 (54.1)
495.6 (56.6)
25th % ile
446.5
456.5
459.0
Median
476.5
484.0
486.5
75th % ile
511.5
521.5
534.0

4. Table IV Physical Activity: Total MET Score Females
Baseline
Year 1
Year 3 N
298
281
264
Mean (S.D.)
467.1 (43.5)
476.1 (51.3)
479.5 (49.2)
25th % ile
434.0
441.5
446.5
Median
461.5
466.5
477.8
75th % ile
491.5
504.0

5. Table V GEE Models Relationship of Physical Activity with Selected Outcomes Adjusted for Visit, Gender and Tanner Stage
Parameter * Estimate (also adjusted for BMI)
(S.E.)
Z-Value
Prob.
Systolic B.P.
Total MET
(0.0040)
-2.89
0.0038
LDL-Cholesterol
(0.0078)
-1.64
0.1014
BMI Intense
(0.0121)
-1.85
0.0643
* Parameter estimates represent effect of one hour/week of physical activity on indicated outcome

6. Figure 1 Mean Hours/Week of Intense Activity

7. Figure 2 Mean Hours/Week of Moderate Activity

8. Figure 3 Mean Change in Met Score