3 | 89 When do young adults stop practising a sport? sport. Ending a sport club membership in young adulthood was also affected by the occurrence of life events. The effects of all the life events were positive, though only the effects of starting to live on one’s own (b=0.393) and start cohabiting or getting married (b=0.344) were significant. In line with our expectations, experiencing these events increased the risk of ending a sport club membership. Additional analyses of the interaction effects between life events and gender indicated that among young women the birth of their first child increased the risks to stop practising a sport and end a sport club membership as expected (b=0.569 and b=0.590, respectively), but not among young men (both effects not significant). The effects of the other three life events did not differ significantly between young men and women. The complete results regarding these interaction effects are provided in Table B3 in the Appendix. To illustrate the magnitude of the effects of the four life events, we plotted the predicted probabilities for stopping participation in a sport and ending a sport club membership for those years in which a life event occurred and for those years in which a life event did not occur (Figure 3.2). These mean probabilities were calculated using the variable means as presented in Table 3.1, and the estimates from Model 2 in Table 3.2. Figure 3.2 shows that the probabilities to stop practising a sport and end a clubmembership are quite similar. Just like the hazard rates (Figure 1), these probabilities indicate that stopping a sport and ending a clubmembership often go hand in hand in young adulthood, although not every sport requires a club membership. Respondents were clearly more likely to stop practising a sport and to end a sport club membership in those years when a major life event occurred. In the years respondents began to work, the risk to stop practising a sport was 17.7% on average (16.3% for ending a sport club membership), compared to 11.2% for years in which respondents did not begin to work (10.1% for ending a sport club membership). Starting to live on one’s own increased the probability to stop practising a sport and end a sport club membership by 7.6% and 8.3% on average, respectively, with the probability to stop practising a sport increasing from 11.1% to 18.7% and the probability of ending a sport club membership increasing from 9.9% to 18.2%. The probability to stop practising a sport and end a sport club membership were both 6.2% higher in years in which respondents started cohabiting or got married (17.4% for stopping a sport and 16.3% for ending a sport club membership), compared to years this life event did not occur. Lastly, in the
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