Table 1.  Descriptive statistics and results from t tests.
 

M

SD

α

M Practice

M Dropout

p

Body Mass Index

19.84

3.41

-

19.79

19.98

.642

Week Time of Practice (hours)

4.31

3.37

-

4.84

2.98

.001

Annual Cost of the Activity (euros)

116.67

168.38

-

126.24

92.71

.085

Distance to the Activity (km)

10.49

22.90

-

12.39

5.74

.012

Self-determined Motivation

6.79

2.52

.66

6.92

6.49

.144

Perceived Competence

4.17

0.96

.67

4.26

3.92

.002

Perceived Autonomy

4.65

1.24

.81

4.75

4.39

.011

Value of the Activity

4.82

1.10

.80

5.06

4.24

.000

Satisfaction toward the Activity

5.02

1.04

.84

5.29

4.36

.000

Conflicts of interests

2.54

0.92

.67

2.46

2.72

.015

Value of the Activity for Parents

4.46

1.11

.72

4.45

4.50

.703

Parents' Investment

4.04

1.28

.75

4.22

3.58

.001

Goal Conflict with Parents

2.61

1.45

.54

3.29

2.36

.000

Value of the Activity for Teammates

4.22

1.12

.81

4.34

3.96

.006

Teammates' Investment

4.59

1.07

.67

4.71

4.28

.001

Goal Conflict with Teammates

3.01

1.01

.51

2.90

3.30

.000

Coach's Investment

4.82

1.02

.67

4.96

4.52

.001

Coach's Mastery Climate

5.07

1.02

.78

5.20

4.74

.000

Coach's Competitive Climate

2.55

1.55

.76

2.55

2.54

.955

Goal Conflict with the Coach

1.97

1.16

.67

1.84

2.30

.001

Relationship with the Coach

4.55

1.21

.66

4.68

4.22

.001