Table 2.

Multivariable regression analysis between low birthweight, partner support and income (n = 1,917,171).

	Low birthweight (n)	Standard approach		Intersectional approach
		Model 1		Model 2
		OR (CI. 95%)	OR (CI. 95%)	OR (CI. 95%)
Region of birth
Sweden	40,114	Ref	Ref
Global North	2603	1.03 (0.99–1.08)	1.06 (1.01–1.10)
Global South	10,254	1.28 (1.25–1.31)	1.34 (1.31–1.38)
Income
High	18,667		Ref
Medium	16,644		0.98 (0.96–1.01)
Low	17,660		0.99 (0.97–1.01)
Partner’s support
Cohabiting	31,341		Ref
Living alone	21,630		1.34 (1.31–1.37)
Intersectional variable
Swedish/Cohabiting/High income	6557			Ref
Swedish/Cohabiting/Medium Income	8545			0.96 (0.93–0.99)
Swedish/Cohabiting/Low Income	7143			1.00 (0.97–1.04)
Swedish/Living Alone/High Income	9704			1.36 (1.31–1.40)
Swedish/ Living Alone/Middle Income	5238			1.40 (1.35–1.46)
Swedish/ Living Alone/Low Income	2927			1.37 (1.31–1.43)
Global North/Cohabiting/High Income	459			1.07 (0.97–1.18)
Global North/Cohabiting/Middle Income	488			1.04 (0.94–1.15)
Global North/Cohabiting/Low Income	724			1.11 (1.02–1.20)
Global North/ Living Alone/High Income	369			1.34 (1.20–1.49)
Global North/ Living Alone/Middle Income	220			1.49 (1.29–1.71)
Global North/ Living Alone/Low Income	343			1.36 (1.21–1.52)
Global South/Cohabiting/High Income	841			1.48 (1.38–1.60)
Global South/Cohabiting/Middle Income	1391			1.40 (1.31–1.48)
Global South/Cohabiting/Low Income	5193			1.38 (1.33–1.43)
Global South/ Living Alone/High Income	737			1.79 (1.65–1.93)
Global South/ Living Alone/Middle Income	762			1.78 (1.65–1.92)
Global South/ Living Alone/Low Income	1330			1.53 (1.44–1.63)

All models adjusted for year of birth, maternal age, and parity