62 | Chapter 12 CONTROL VARIABLES Man Age Period Migration background Native Dutch origin (ref.) Non-native of non-western origin Non-native of western origin Number of sports Sport participation in youth Educational level MAJOR LIFE EVENTSa Starting a paid job Moving out to live on one’s own Starting to cohabit or getting married Birth of one’s first child Children leaving the parental home Retirement Constant Chi-square model Degrees of freedom N person-year combinations Explanatory power (Nagelkerke R2) -0.120*** -0.033*** 0.030*** -0.092* -0.066 -2.748*** 858.585 5 70631 0.030 Model 1 b 0.030 0.001 0.001 0.050 0.057 0.065 s.e. 0.887 0.968 1.030 0.912 0.936 0.064 Exp(B) s.e. 0.030 0.002 0.001 0.050 0.057 0.011 0.033 0.020 0.054 0.052 0.053 0.066 0.096 0.128 0.082 Exp(B) 0.844 0.970 1.027 0.898 0.921 1.066 1.168 1.167 1.175 1.192 1.048 0.804 1.314 2.214 0.042 Model 3 b -0.169*** -0.030*** 0.027*** -0.108* -0.083+ 0.064*** 0.155*** 0.155*** 0.162** 0.176*** 0.047 -0.218*** 0.273** 0.795*** -3.165*** 1096.494 14 70631 0.038 -0.165*** -0.030*** 0.027*** -0.108* -0.083+ 0.063*** 0.156*** 0.160*** -3.145*** 1014.081 8 70631 0.035 Model 2 b Exp(B) 0.848 0.971 1.027 0.898 0.920 1.065 1.169 1.173 0.043 s.e. 0.030 0.001 0.001 0.050 0.057 0.011 0.033 0.020 0.076 Table 2.2 Logistic event history analysis of starting a sport in general. Source: Sporters Monitor, 2010 (Nresp. = 2707) ***p<0.001, **p<0.01, *p<0.05, +p<0.10 (one-tailed test) a Results of sensitivity analyses in which the six major life events were added separately in Model 3 were similar, but the effect of starting to cohabit or getting married was significant (p<0.05) as well when added alone (0,087*, see Table A1 in the Appendix).
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