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Table 3 Binary logistic regression on dropout (yes/no) in sports – FOOTBALL (N = 1360)

From: Time-use and environmental determinants of dropout from organized youth football and tennis

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