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Table 3

Estimates of probability of remaining in union for couples with a colicky infant and those without, 1996–2006

19961997199819992000200120022003200420052006
Colic –0.072
(0.040) 
–0.125**
(0.047) 
–0.152**
(0.050) 
–0.151**
(0.053) 
–0.148**
(0.056) 
–0.171**
(0.057) 
–0.170**
(0.057) 
–0.122*
(0.059) 
–0.125*
(.059) 
–0.086
(0.060) 
–0.076
(0.060) 
log(Relationship Length) 0.051***
(0.007) 
0.079***
(0.008) 
0.083***
(0.008) 
0.101***
(0.009) 
0.111***
(0.010) 
0.125***
(0.0104) 
0.130***
(0.011) 
0.138***
(0.011) 
0.134***
(0.011) 
0.138***
(.012) 
0.141***
(0.011) 
Colic × log(Relationship Length) 0.032
(0.019) 
0.051*
(.022) 
0.058*
(0.023) 
0.056*
(0.025) 
0.055*
(0.026) 
0.063*
0.027 
0.066*
(0.027) 
0.039
(0.028) 
0.051
(0.028) 
0.038
(0.028) 
0.034
(0.029) 
Smoking –0.053***
(0.009) 
–0.081***
(0.011) 
–0.091***
(0.011) 
–0.104***
(0.013) 
–0.113***
(0.014) 
–0.122***
(0.014) 
–0.134***
(0.015) 
–0.128***
(0.015) 
–0.122***
(0.015) 
–0.114***
(0.016) 
–0.124***
(0.016) 
Colic × Smoking 0.000
(0.023) 
0.022
(0.027) 
0.019
(0.031) 
0.060
(0.032) 
0.045
(0.035) 
0.083*
(0.035) 
0.085*
(0.036) 
0.104**
(0.037) 
0.075*
0.038 
0.050
(0.039) 
0.049
(0.040) 
Siblings –0.015*
(0.008) 
–0.022*
(0.009) 
–0.012
(0.010) 
–0.020
(0.011) 
–0.036**
(0.012) 
–0.046***
(0.012) 
–0.044***
(0.012) 
–0.040**
(0.013) 
–0.034*
(0.013) 
–0.038**
(0.014) 
–0.035*
(0.014) 
Constant 0.883***
(0.013) 
0.815***
(0.015) 
0.783***
(0.016) 
0.731***
(0.018) 
0.697***
(0.019) 
0.656***
(0.020) 
0.630***
(0.020) 
0.581***
(0.021) 
0.563***
0.022 
0.533***
(0.022) 
0.508***
(0.022) 
R2 .041 .062 .062 .066 .066 .070 .073 .066 .060 .057 .059 
N 4,920 4,920 4,920 4,920 4,920 4,920 4,920 4,920 4,920 4,920 4,920 
19961997199819992000200120022003200420052006
Colic –0.072
(0.040) 
–0.125**
(0.047) 
–0.152**
(0.050) 
–0.151**
(0.053) 
–0.148**
(0.056) 
–0.171**
(0.057) 
–0.170**
(0.057) 
–0.122*
(0.059) 
–0.125*
(.059) 
–0.086
(0.060) 
–0.076
(0.060) 
log(Relationship Length) 0.051***
(0.007) 
0.079***
(0.008) 
0.083***
(0.008) 
0.101***
(0.009) 
0.111***
(0.010) 
0.125***
(0.0104) 
0.130***
(0.011) 
0.138***
(0.011) 
0.134***
(0.011) 
0.138***
(.012) 
0.141***
(0.011) 
Colic × log(Relationship Length) 0.032
(0.019) 
0.051*
(.022) 
0.058*
(0.023) 
0.056*
(0.025) 
0.055*
(0.026) 
0.063*
0.027 
0.066*
(0.027) 
0.039
(0.028) 
0.051
(0.028) 
0.038
(0.028) 
0.034
(0.029) 
Smoking –0.053***
(0.009) 
–0.081***
(0.011) 
–0.091***
(0.011) 
–0.104***
(0.013) 
–0.113***
(0.014) 
–0.122***
(0.014) 
–0.134***
(0.015) 
–0.128***
(0.015) 
–0.122***
(0.015) 
–0.114***
(0.016) 
–0.124***
(0.016) 
Colic × Smoking 0.000
(0.023) 
0.022
(0.027) 
0.019
(0.031) 
0.060
(0.032) 
0.045
(0.035) 
0.083*
(0.035) 
0.085*
(0.036) 
0.104**
(0.037) 
0.075*
0.038 
0.050
(0.039) 
0.049
(0.040) 
Siblings –0.015*
(0.008) 
–0.022*
(0.009) 
–0.012
(0.010) 
–0.020
(0.011) 
–0.036**
(0.012) 
–0.046***
(0.012) 
–0.044***
(0.012) 
–0.040**
(0.013) 
–0.034*
(0.013) 
–0.038**
(0.014) 
–0.035*
(0.014) 
Constant 0.883***
(0.013) 
0.815***
(0.015) 
0.783***
(0.016) 
0.731***
(0.018) 
0.697***
(0.019) 
0.656***
(0.020) 
0.630***
(0.020) 
0.581***
(0.021) 
0.563***
0.022 
0.533***
(0.022) 
0.508***
(0.022) 
R2 .041 .062 .062 .066 .066 .070 .073 .066 .060 .057 .059 
N 4,920 4,920 4,920 4,920 4,920 4,920 4,920 4,920 4,920 4,920 4,920 

Notes: Robust standard errors are shown in parentheses.

Source: DALSC and own calculations on data from Statistics Denmark.

*p < .05; **p < .01; ***p < .001

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