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Table 4 Results of the Cox proportional hazards model

From: The impact of children on divorce risk

Period (before 1966 = 0) Model 1 Model 2 Model 3 Model 4 Model 5 Model 6
1966 to 1980 −0.05 (0.311) −0.036 (0.311) −0.021 (0.311) −0.009 (0.311) −0.038 (0.311) −0.015 (0.311)
1981 to 1991 0.406 (0.280) 0.491 (0.280) 0.406 (0.281) 0.434 (0.281) 0.434 (0.280) 0.439 (0.281)
1992 to 1999 1.287*** (0.269) 1.401*** (0.269) 1.276*** (0.270) 1.304*** (0.270) 1.329*** (0.270) 1.315*** (0.270)
2000 to 2010 1.430*** (0.270) 1.553*** (0.270) 1.422*** (0.270) 1.449*** (0.270) 1.483*** (0.270) 1.463*** (0.270)
Urban (rural = 0) 0.461*** (0.102) 0.466*** (0.103) 0.469*** (0.102) 0.466*** (0.102) −0.065 (0.166) 0.206 (0.126)
Wife’s age at first marriage −0.048*** (0.013) −0.047*** (0.013) −0.050*** (0.013) −0.050*** (0.013) −0.047*** (0.013) −0.049*** (0.013)
Wife’s years of education 0.054*** (0.011) 0.055*** (0.011) 0.054*** (0.011) 0.053*** (0.011) 0.055*** (0.011) 0.054*** (0.011)
Premarital birth (no = 0) 1.589*** (0.171) 1.591*** (0.172) 1.446*** (0.179) 1.467*** (0.179) 1.461*** (0.179) 1.456*** (0.179)
No. of children −1.051*** (0.076) −1.554*** (0.103)     
Square of no. of children   0.180*** (0.021)     
No. of children aged 0    −2.070*** (0.311) −1.950*** (0.313) −1.948*** (0.390) −1.925*** (0.313)
No. of children aged 1 to 5    −1.083*** (0.105) −0.969*** (0.108) −1.146*** (0.140) −0.944*** (0.108)
No. of children aged 6 to 12    −0.979*** (0.111) −0.879*** (0.113) −1.156*** (0.146) −0.848*** (0.114)
No. of children aged 13 and above    −0.783*** (0.128) −0.701*** (0.128) −0.962*** (0.155) −0.676*** (0.129)
Have boy (no = 0)     −0.327*** (0.096) −0.325*** (0.095) −0.680*** (0.140)
Urban × no. of children aged 0      −0.011 (0.638)  
Urban × no. of children aged 1 to 5      0.421* (0.185)  
Urban × no. of children aged 6 to 12      0.612*** (0.169)  
Urban × no. of children aged 13 and above      0.553*** (0.152)  
Urban × have boy       0.590*** (0.170)
LR chi-square 775.8*** 804.0*** 795.0*** 806.7*** 827.8*** 818.9***
df 33 34 36 37 41 38
N 16,466 16,466 16,466 16,466 16,466 16,466
  1. Note: (1) these models also controlled for provinces, but due to space limitations, the coefficients for each province are not reported in the table. (2) *p < 0.05, **p < 0.01, ***p < 0.001.