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Table 6 Results of split-population model

From: Is the “seven-year itch” real?—a study on the changing divorce pattern in Chinese marriages

  Model 1 Model 2
Coefficient Standard error Coefficient Standard error
The proportion of couples who do not divorce (p)     
 Marriage cohort (before 1980 = 0)     
  1980–1989 −1.020*** 0.137 −1.231*** 0.188
  1990–1999 −1.151*** 0.144 −1.271*** 0.210
  2000–2010 −1.101*** 0.173 −1.119*** 0.265
 City (countryside = 0)    −0.656*** 0.110
 Wife’s first marriage age    0.021 0.014
 Wife’s education level (elementary and below = 0)     
  Secondary school    −0.224+ 0.135
  High school    −0.214 0.162
  College and above    −0.238 0.223
  Missing value    −3.856*** 0.147
 Number of children     
  Children aged 0    1.903*** 0.336
  Children aged 1–5    1.027*** 0.112
  Children aged 6–12    0.957*** 0.108
  Children aged 13 and above    0.803*** 0.120
 Having son (no = 0)    0.335** 0.109
  Intercept 3.861*** 0.104 2.914*** 0.360
LocationpParameter (ln_lambda)     
 Marriage cohort (before 1980 = 0)     
  1980–1989 −1.387** 0.476 −0.479 0.476
  1990–1999 −0.759+ 0.461 −0.021 0.478
  2000–2010 −1.244* 0.541 −0.150 0.557
 Intercept −3.593*** 0.347 −5.392*** 0.385
Shape parameter (ln_gamma)     
 Marriage cohort (before 1980 = 0)     
  1980–1989 0.326** 0.125 0.163 0.104
  1990–1999 0.344** 0.129 0.231* 0.104
  2000–2010 0.697*** 0.138 0.490*** 0.119
 Intercept 0.232* 0.099 0.538*** 0.084
Wald chi-square 81.88*** 959.39***
df 3 14
Sample size 16,472 16,472
Person-years 408,487 408,487
  1. Note: + p < 0.10, *p < 0.05, **p < 0.01, ***p < 0.001