The health Oriented pedagogical project (HOPP) - a controlled longitudinal school-based physical activity intervention program

Table 3 Based on the various power tests, the following sample size (intervention and controls schools) was calculated, with a beta of 80% and alpha of 5%

Test area	n
Anthropometry	64^b
Cardio-metabolic risk factors	126^c
Physical activity level	73^a
Aerobic capacity	10^a
General physical capacity	126^c
Blood tests	34^a
Quality of life	73^a
Diet	24^a
Cognitive ability	85^a
Academic performance	34^a

Statistical program: Systat 13, Power Analysis. ^aOne-sample t-test, ^bTwo-sample t-test, ^cZ-score

ISSN: 1471-2458