Table 7.

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 * time period at first birth
Not used * 1994–1997			1		1
Up to the reserved part * 1994–1997			0.64**	0.61–0.66	0.86**	0.83–0.90
More than the reserved part * 1994–1997			0.78**	0.74–0.83	0.95*	0.90–0.99
Not used * 1998–2000			1.19**	1.15–1.23	1.02	0.98–1.06
Up to the reserved part * 1998–2000			0.87**	0.83–0.90	0.92**	0.88–0.96
More than the reserved part * 1998–2000			0.97	0.91–1.03	0.99	0.95–1.04
Not used * 2001–2004	1		1.36**	1.31–1.41	0.88**	0.85–0.92
Up to the reserved part * 2001–2004	0.81	0.58–1.14	1.09**	1.04–1.13	0.81**	0.78–0.84
More than the reserved part * 2001–2004	0.83	0.55–1.25	1.15**	1.09–1.22	0.86**	0.82–0.89
Not used * 2005–2009	0.88	0.52–1.48	2.09**	2.01–2.18	0.93*	0.89–0.98
Up to the reserved part * 2005–2009	0.63*	0.44–0.91	1.90**	1.82–2.00	0.78**	0.75–0.82
More than the reserved part * 2005–2009	0.52*	0.34–0.79	1.85**	1.75–1.95	0.78**	0.75–0.82
Log likelihood	− 2323.47		− 147,443.75		− 202,131.68
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 time period

**0.001; *0.05; same model as Table 3