Table 6.

Risk of union dissolution for couples with at least one child

	Iceland		Norway		Sweden
	Estimate	CI	Estimate	CI	Estimate	CI
Fathers’ use of parental leave * union status at first birth
Not used * cohabiting	1		1		1
Up to the reserved part * cohabiting	0.72*	0.53–0.98	0.79**	0.77–0.81	0.84**	0.82–0.86
More than the reserved part * cohabiting	0.61*	0.43–0.88	0.87**	0.84–0.90	0.89**	0.87–0.92
Not used * married	0.53*	0.29–0.96	0.45**	0.44–0.47	0.67**	0.64–0.69
Up to the reserved part * married	0.52*	0.36–0.74	0.29**	0.27–0.30	0.65**	0.63–0.67
More than the reserved part * married	0.62	0.39–1.01	0.32**	0.30–0.33	0.68**	0.66–0.70
Log likelihood	− 2322.46		− 147,462.24		− 202,122.13
Number of observations (person-year exposure)	19,085		919,348		1,476,611

Iceland, Norway and Sweden. Odds ratio. Including interaction between fathers’ use of parental leave and union status

**0.001; *0.05; Same model as Table 3