Physical Activity Is Associated with Weight Loss and Increased Cardiorespiratory Fitness in Severely Obese Men and Women Undergoing Lifestyle Treatment

Table 3

Correlation matrix between independent and dependent variables in the regression analyses for men (𝑛=8–10) in the lower left corner and women (𝑛=22–25) in the upper right corner (Pearson r (𝑃 value)). BMI: body mass index; VO_2max: estimated maximal oxygen consumption.

	Age	Baseline BMI	Baseline VO2max	PA duration	PA intensity	Change in weight	Change in VO2max
Age	1	−0.15 (.467)	−0.40 (.064)	−0.08 (.696)	−0.48 (.014)	−0.01 (.947)	−0.12 (.605)
Baseline BMI	0.11 (.755)	1	0.14 (.549)	−0.20 (.349)	−0.02 (.945)	−0.42 (.039)	0.11 (.632)
Baseline VO2max	0.45 (.224)	0.35 (.350)	1	0.29 (.189)	−0.18 (.416)	0.14 (.526)	−0.49 (.019)
PA duration	0.32 (.372)	0.13 (.725)	0.33 (.384)	1	−0.19 (.362)	−0.19 (.372)	−0.12 (.584)
PA intensity	−0.22 (.541)	−0.15 (.671)	−0.21 (.589)	0.26 (.471)	1	−0.11 (.605)	0.61 (.003)
Change in weight	−0.22 (.545)	−0.43 (.218)	−0.24 (.532)	−0.69 (.027)	−0.45 (.195)	1	−0.24 (.274)
Change in VO2max	0.26 (.527)	−0.21 (.613)	−0.41 (.313)	0.10 (.809)	0.39 (.340)	0.03 (.951)	1