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Table 11 The comparison of basic statistics measured by Panel Study of Korean Children (PSKC) and Korea Longitudinal Study of Women and Families (KLoWF)

From: The impact of expected child-rearing expenses on childbirth based on the matching of two Korean panel data

  N Mean Stdev Min Max   T test   KS test P value  
m_age         D1 0.39 0.00  
 PSKC (2008) 2077 31.34 3.72 19 46.00 t −29.53 D2 −0.04 0.01  
 KLoWF (2007) 3830 35.19 6.29 18 45.00 df 5864.79 D 0.39 0.00  
m_educ         D1 0.00 1.00  
 PSKC (2008) 2062 14.28 1.96 0 21.00 t 16.70 D2 −0.22 0.00 Years of schooling
 KLoWF (2007) 3824 13.34 2.23 0 22.00 df 4710.36 D 0.22 0.00  
m_marr            
 PSKC (2008) 2072 0.01 0.12 0 1.00 t −23.19     0: married
 KLoWF (2007) 3830 0.17 0.37 0 1.00 df 5107.74     1: not married
m_employment            
 PSKC (2008) 2073 0.32 0.47 0 1.00 t −5.99     0: no work
 KLoWF (2007) 3830 0.39 0.49 0 1.00 df 4430.57     1: work
m_workhour         D1 0.12 0.00  
 PSKC (2008) 626 43.89 12.37 3 96.00 t −3.84 D2 −0.10 0.00 h/week
 KLoWF (2007) 1482 46.50 17.93 2 156.00 df 1671.05 D 0.12 0.00  
m_jobcode            
 PSKC (2008) 629 0.18 0.38 0 1.00 t −18.60     0: white collar
 KLoWF (2007) 1493 0.55 0.50 0 1.00 df 1511.12     1: blue collar
m_jobsecurity            
 PSKC (2008) 622 0.14 0.35 0 1.00 t −27.98     0: permanent
 KLoWF (2007) 1504 0.66 0.47 0 1.00 df 1545.42     1: temporary
h_size         D1 0.10 0.00  
 PSKC (2008) 2078 3.86 0.94 3 10.00 t 2.37 D2 −0.10 0.00  
 KLoWF (2007) 3830 3.80 1.04 1 8.00 df 4660.29 D 0.10 0.00  
h_family            
 PSKC (2008) 2078 0.22 0.42 0 1.00 t −0.62     0: nuclear family
 KLoWF (2007) 3830 0.23 0.42 0 1.00 df 4301.32     1: extended family
h_inc         D1 0.11 0.00  
 PSKC (2008) 2065 3637.69 1731.13 0 14,820.65 t −0.65 D2 −0.08 0.00 In 1000 KRW, 2013
 KLoWF (2007) 3676 3672.51 2269.92 0 46,949.55 df 5234.15 D 0.11 0.00  
h_finasset         D1 0.00 1.00  
 PSKC (2008) 1665 36,142.77 71,111.18 0 855,037.75 t 10.06 D2 −0.28 0.00 In 1000 KRW, 2013
 KLoWF (2007) 3565 17,848.29 30,986.61 0 5,500,000.00 df 1965.00 D 0.28 0.00  
h_dept         D1 0.00 1.00  
 PSKC (2008) 1421 36,128.76 65,861.80 0 570,025.19 t 8.03 D2 −0.18 0.00 In 1000 KRW, 2013
 KLoWF (2007) 3675 20,556.83 50,953.18 0 945,000.00 df 2109.63 D 0.18 0.00  
h_housingown2            
 PSKC (2008) 1863 0.15 0.35 0 1.00 t −1.60     0: own+jeonse
 KLoWF (2007) 3827 0.16 0.37 0 1.00 df 3834.16     1: others (not own)
  1. (1) This is a comparison of basic statistics for women of childbearing age; (2) The definitions of each variable are as follows. Age of women subject to study (m_age), education year (m_educ), marriage status (m_marr, 1 = not married), employment status (m_employment, 1 = employeed), weekly work hours (m_workhours), type of occupation (m_jobcode, 1 = blue collor job), employment type (m_jobsecurity, 1 = temporary/dayworker), number of household member (h_size), household type (h_family, 1 = large family), household income (h_inc, \1000), financial assets of household (h_finasset, \1000), household debt (h_debt, \1000), home owning status (h_housingown2, 1 = others except for owing house and lease); (3) T test has examined two hypotheses assuming the average of two data is the same; (4) In Kolmogorov-Smirnov (KS) test, D1 and D2 represents the maximum distance when PSKC < KLoWF and PSKC > KLoWF, and D suggests bigger absolute value between D1 and D2