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Change In Body Mass

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Figure 1 is a line graph that indicates the means of change in body mass across the three groups. Observably, the mean change in body mass is highest in the large amount and high intensity exercise group while low amount and mild intensity exercise group has the least amount of change in body mass. Figure 2: Bar chart for mean change in body mass by the sex of the participant.
For the covariate (sex of the participant), females had the largest change in body mass as compare to their male counterparts as visually illustrated by the figure 2 above.

Table 2
Tests of Between-Subjects Effects-Change in body mass (Kgs)
Source Type III Sum of Squares df Mean Square F Sig. Partial Eta Squared
Corrected Model 166.218a 3 55.406 16.261 .000 .466 …show more content…

Error 95% Confidence Interval Lower Bound Upper Bound high intensity 6.939a .413 6.111 7.767 moderate intensity 4.019a .413 3.191 4.847 low intensity 3.237a .416 2.404 4.070
a. Covariates appearing in the model are evaluated at the following values: sex of the participant = .4000.

The Bonferroni post-hoc analysis was used to test the pairwise differences of the adjusted means and the results were obtained as indicated in table 4 below.

Table 4

Pairwise Comparisons
(I) Treatment level (J) Treatment level Mean Difference (I-J) Std. Error Sig.b 95% Confidence Interval for Differenceb Lower Bound Upper Bound high intensity moderate intensity 2.920* .584 .000 1.479 4.361 low intensity 3.702* .588 .000 2.250 …show more content…

The mean difference is significant at the .05 level.
b. Adjustment for multiple comparisons: Bonferroni.

From table 4 above the large amount and high intensity exercise group had a significant mean difference of change in body mass with the low amount and high intensity exercise groups as well as with low amount and mild intensity exercise group at the 0.05 level of significance. There was no significant difference of the change in body mass between low amount and high intensity exercise group and the low amount and mild intensity exercise group. In summary, the when adjusted for sex the large amount and high intensity exercise level is effective in reducing the body weight for those aged between 41-65 years. References
Boutcher, S. H. (2011). High-Intensity Intermittent Exercise and Fat Loss. Journal of Obesity, 2011, 1-10. doi:10.1155/2011/868305
Chaput, J., Klingenberg, L., Rosenkilde, M., Gilbert, J., Tremblay, A., & Sjödin, A. (2011). Physical Activity Plays an Important Role in Body Weight Regulation. Journal of

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