Table 2. Incidence density of decrease in self-esteem and increase in trait anxiety between Nov 01 and May 04. Comparison between extra curricular sports (ECS) practice and no extra curricular sports (NECS) practice (mean age 11 years in Nov 01).
|
ECS |
NECS |
Chi2 values |
| Incidence density of decrease in self-esteem |
Moderate: < mean – 1 SD |
129.0 |
124.1 |
.24 |
| Severe: < mean – 2 SD |
25.1 |
16.2 |
1.60 |
| Incidence density of increase in trait anxiety |
Moderate: > mean + 1 SD |
105.6 |
129.0 |
.25 |
| Severe: > mean + 2 SD |
16.3 |
18.3 |
.15 |
SD = standard deviation.
