Table 3.

Distribution of antidepressant use between different intersectional strata, and difference in usage between user and non-users of hormonal contraceptives but otherwise sharing the same intersectional stratum.

Previous mental health issues	Age (years)	Income level	Immigrant background	Number of women	Use of hormonal contraceptives (%)
					Yes	No	Yes–no difference
No	12–17	Low	No	28 182	3.7	1.3	2.4 (1.9, 2.8)
			Yes	7643	1.2	0.5	0.7 (0.1, 1.5)
		Middle	No	75 836	3.0	1.0	2.0 (1.8, 2.3)
			Yes	10 110	1.8	0.6	1.2 (0.5, 2.1)
		High	No	125 903	2.0	0.9	1.1 (0.9, 1.2)
			Yes	4606	2.5	0.8	1.6 (0.6, 2.8)
	18–23	Low	No	44 723	3.5	3.0	0.5 (0.2, 0.9)
			Yes	11 174	2.3	1.2	1.1 (0.5, 1.7)
		Middle	No	72 018	2.8	2.8	0.1 (−0.2, 0.3)
			Yes	8776	2.3	1.2	1.1 (0.5, 1.8)
		High	No	136 284	2.3	2.3	0 (−0.2, 0.1)
			Yes	4386	2.0	1.8	0.2 (−0.6, 0.9)
	24–30	Low	No	130 127	3.1	3.2	−0.1 (−0.3, 0.1)
			Yes	39 368	2.7	1.4	1.3 (0.9, 1.7)
		Middle	No	45 013	3.6	3.0	0.5 (0.2, 0.9)
			Yes	10 965	2.7	2.4	0.4 (−0.3, 1.1)
		High	No	43 508	2.4	2.6	−0.2 (−0.5, 0.1)
			Yes	3621	1.9	2.3	−0.3 (−1.3, 0.7)
Yes	12–17	Low	No	3402	30.5	22.7	7.8 (4.7, 10.8)
			Yes	434	20.8	13.7	7.1 (−0.3, 15.1)
		Middle	No	6854	31.2	23.4	7.8 (5.6, 10.1)
			Yes	569	19.9	14.2	5.7 (−1.2, 13.1)
		High	No	7906	34.2	28.1	6.1 (3.9, 8.3)
			Yes	371	30.4	19.8	10.6 (1.4, 19.9)
	18–23	Low	No	10 937	39.2	37.8	1.4 (−0.4, 3.2)
			Yes	1127	28.5	19.7	8.8 (3.4, 14.4)
		Middle	No	12 915	37.8	36.3	1.5 (−0.2, 3.1)
			Yes	844	27.4	19.7	7.7 (1.9, 13.7)
		High	No	17 276	38.3	39.8	−1.5 (−3, 0)
			Yes	629	28.1	25.4	2.8 (−4, 9.4)
	24–30	Low	No	29 333	50.1	49.9	0.2 (−1, 1.4)
			Yes	4083	37.3	32.4	4.9 (1.5, 8.4)
		Middle	No	8629	49.7	50.8	−1.1 (−3.4, 1.1)
			Yes	1221	33.5	37.1	−3.6 (−10, 2.6)
		High	No	6686	48.5	48.9	−0.4 (−2.9, 2)
			Yes	495	43.7	37.5	6.3 (−3.2, 15.8)

The values are calculated from the multilevel analysis of individual heterogeneity and discriminatory accuracy (MAIHDA).

Numbers are percentages.

Bold values indicate a statistically significant difference.