Table 1.

Characteristics for women giving birth in Sweden 1991–2012

	Sweden (1,672,127)	Immigrants (375,964)
	N (%)	N (%)
Categories of iHDI
Low		44,866 (12.0)
Medium		96,110 (26.0)
High		131,248 (35.0)
Very high		103,740 (28.0)
Income level
Low	563,929 (33.7)	254,890 (67.8)
Medium	366,173 (21.9)	46,369 (12.3)
High	742,025 (44.4)	74,705 (19.9)
Educational level
Low	173,877 (10.4)	130,019 (34.6)
Medium	828,040 (49.5)	126,804 (33.7)
High	670,210 (40.1)	119,141 (31.7)
Family situation
Cohabitant	1,591,288 (95.2)	345,362 (91.9)
Single/other	80,839 (4.8)	30,602 (8.1)
Year of giving birth
1991–1996	495,867 (29.7)	82,533 (22.0)
1997–2002	401,794 (24.0)	82,747 (22.0)
2003–2007	372,649 (22.3)	88,767 (23.6)
2008–2012	401,817 (24.0)	121,91 (32.4)
Maternal age
26–30	600,031 (35.9)	119,589 (31.8)
14-20	303,780 (18.2)	80,495 (21.4)
21-25	52,684 (3.2)	16,782 (4.5)
31-35	500,346 (29.9)	102,112 (27.2)
36-50	215,286 (12.9)	56,986 (15.2)