Table 3.
Binary logistic regression on dropout (yes/no) in sports – FOOTBALL (N = 1360)
| Outcome = Dropout vs Member | Model 1 (socio-demographic factors) | Model 2 (model 1 + time use factors) | Model 3 (model 2 + environmental factors) | Model 4 (model 3 + motivational orientation) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Exp (B) | 95% CI | P | Exp (B) | 95% CI | P | Exp (B) | 95% | P | Exp (B) | 95% CI | P | |
| Constant | 1.71 | 0.005 | 5.24 | 0 | 4.53 | 0 | 4.00 | 0 | ||||
| Control variables | ||||||||||||
| Age (17–22 = ref) | ||||||||||||
| 13–16 | 0.48 | 0.36–0.64 | 0.000 | 0.90 | 0.62–1.32 | 0.597 | 0.90 | 0.61–1.31 | 0.597 | 0.90 | 0.61–1.33 | 0.598 |
| Sex (male = ref) | 2.41 | 1.81–3.20 | 0.000 | 1.73 | 1.23–2.43 | 0.002 | 1.71 | 1.22–2.41 | 0.002 | 1.78 | 1.26–2.51 | 0.001 |
| Current education (high = ref) | 0 | 0 | 0 | |||||||||
| No | 0.13 | 0.05–0.34 | 0.000 | 0.08 | 0.03–0.27 | 0 | 0.08 | 0.03–0.26 | 0 | 0.07 | 0.02–0.24 | 0 |
| Low | 0.25 | 0.17–0.37 | 0.000 | 0.28 | 0.17–0.45 | 0 | 0.27 | 0.17–0.45 | 0 | 0.27 | 0.16–0.44 | 0 |
| Middle | 0.27 | 0.18–0.41 | 0.000 | 0.30 | 0.18–0.50 | 0 | 0.30 | 0.18–0.50 | 0 | 0.29 | 0.17–0.49 | 0 |
| Played in selection (team) (no = ref) | 0.46 | 0.35–0.61 | 0.000 | 0.68 | 0.48–0.95 | 0.023 | 0.67 | 0.48–0.94 | 0.022 | 0.70 | 0.50–0.99 | 0.041 |
| Time use factors | ||||||||||||
| Time use indicators at this moment (average hrs per week) | ||||||||||||
| Tennis/football outside sports club | 0.30 | 0.25–0.36 | 0 | 0.30 | 0.25–0.36 | 0 | 0.31 | 0.26–0.37 | 0 | |||
| Other sports | 1.03 | 0.97–1.10 | 0.387 | 1.03 | 0.97–1.10 | 0.387 | 1.04 | 0.97–1.11 | 0.254 | |||
| Other (fixed) hobbies | 1.04 | 0.98–1.11 | 0.206 | 1.04 | 0.98–1.11 | 0.21 | 1.04 | 0.98–1.11 | 0.205 | |||
| School/study and homework | 0.99 | 0.98–1.0 | 0.187 | 0.99 | 0.98–1.00 | 0.176 | 0.99 | 0.98–1.01 | 0.212 | |||
| (Part-time) job | 1.01 | 1.00–1.03 | 0.125 | 1.01 | 1.00–1.00 | 0.13 | 1.02 | 1.00–1.03 | 0.073 | |||
| Social activities (no of times) | 0.97 | 0.86–1.09 | 0.599 | 0.97 | 0.86–1.09 | 0.593 | 0.98 | 0.86–1.10 | 0.687 | |||
| Time spent on side activities at sports club past season (hrs) | 0.89 | 0.81–0.89 | 0.019 | 0.89 | 0.81–0.98 | 0.016 | 0.89 | 0.81–0.98 | 0.019 | |||
| Changes in job/school situation since past season | ||||||||||||
| Got job/increased work hrs (no = ref) | 0.70 | 0.46–1.06 | 0.089 | 0.69 | 0.46–1.05 | 0.083 | 0.67 | 0.44–1.02 | 0.064 | |||
| Changed schools/further educ. (no = ref) | 0.80 | 0.53–1.21 | 0.294 | 0.81 | 0.53–1.22 | 0.31 | 0.78 | 0.51–1.20 | 0.255 | |||
| Environmental factors | ||||||||||||
| Travel distance to sports club (km) | 1.00 | 0.99–1.01 | 0.878 | 1.00 | 0.99–1.01 | 0.832 | ||||||
| Neighbourhood density (strong – extremely urbanized = ref) | 1.23 | 0.42 | 1.19 | 0.484 | ||||||||
| Rural | 1.29 | 0.82–1.85 | 0.314 | 1.27 | 0.80–1.80 | 0.393 | ||||||
| Hardly – moderately urbanized | 4.53 | 0.87–1.92 | 0.203 | 0.77 | 0.85–1.90 | 0.236 | ||||||
| Motivational factors | ||||||||||||
| Task orientation | 0.85 | 0.66–0.89 | 0 | |||||||||
| Ego orientation | 4.00 | 0.73–1.00 | 0.047 | |||||||||
| -2 Log likelihood | 1332.57 | 977.88 | 976.13 | 960.20 | ||||||||
| Cox&Snell R2 | 0.14 | 0.34 | 0.34 | 0.35 | ||||||||
| Nagelkerke R2 | 0.21 | 0.50 | 0.50 | 0.51 | ||||||||