Table 3.

HRs and 95% CIs for the association between childbirth, morbidity 1 year after T₀ and new DP in the second and third year after T₀*

Morbidity†	N/Outcome	HRs and 95% CIs for DP in Y+2 to Y+3
		Crude	Model 1‡	Model 2§
All women (n=470 656)
B0, no morbidity in Y+1¶	417 592/5374	*	*	*
B0, morbidity in Y+1¶	14 651/1391	7.72 (7.28 to 8.19)	6.88 (6.48 to 7.30)	4.11 (3.87 to 4.37)
B1, no morbidity in Y+1¶	13 425/90	0.52 (0.42 to 0.64)	0.41 (0.33 to 0.50)	0.20 (0.16 to.24)
B1, morbidity in Y+1¶	523/25	3.77 (2.55 to 5.59)	2.82 (1.90 to 4.17)	1.17 (0.79 to 1.73)
B1+, no morbidity in Y+1¶	23 947/39	0.13 (0.09 to 0.17)	0.11 (0.08 to 0.16)	0.06 (0.04 to 0.08)
B1+, morbidity in Y+1¶	518/8	1.20 (0.60 to 2.40)	1.01 (0.50 to 2.01)	0.43 (0.21 to 0.85)
Women who had at least one childbirth (n=38 413)
B1, no morbidity in Y+1¶	13 425/90	*	*	*
B1, morbidity in Y+1¶	523/25	7.32 (4.70 to 11.40)	6.27 (4.02 to 9.79)	5.68 (3.63 to 8.87)
B1+, no morbidity in Y+1¶	23 947/39	0.24 (0.17 to 0.35)	0.28 (0.19 to 0.41)	0.28 (0.19 to 0.42)
B1+, morbidity in Y+1¶	518/8	2.32 (1.12 to 4.77)	2.30 (1.12 to 4.75)	2.07 (1.00 to 4.27)

T₀=delivery date or among those in B0: 2 July 2005; Y₊₂=2 years after delivery/index date; Y₊₃=3 years after delivery/index date; B0=no childbirth in 2005 nor in the following 3 years+43 weeks; Y₊₁=1 year after delivery/index date; B1=first child in 2005 and no more deliveries in the following 3 years+43 weeks; B1+=first child in 2005 and at least one more delivery in the following 3 years+43 weeks.

*Women on DP at baseline were excluded.

†Morbidity: measured by hospitalisation and specialised outpatient visit.

‡Model 1: adjusted for age, education, country of birth and type of living area.

§Model 2: adjusted for age, education, country of birth, type of living area, and previous hospitalisation and specialised outpatient visit.

¶Diagnoses O00-O99 and Z30-Z39 were excluded.

DP, disability pension.