Table 4.

Age stratified analyses of associations between current HC use and depression diagnosis (Care register for health care and register of primary health care visits)

		15–19 years		20–24 years			25–34 years		35–49 years
		Odds Ratio	95% CI	Odds Ratio		95% CI	Odds Ratio	95% CI	Odds Ratio	95% CI
		HC use = one redeemed prescription
HC use	No HC	Reference		Reference			Reference		Reference
	Current HC	0.89	0.79, 1.01	0.86	0.80, 0.92		0.93	0.88, 0.99	0.94	0.86, 1.03
	CHC	0.88	0.78, 1.00	0.82	0.76, 0.89		0.88	0.82, 0.95	0.87	0.77, 0.97
	EE containing CHCs	0.97	0.85, 1.11	0.82	0.76, 0.89		0.87	0.80, 0.94	0.85	0.74, 0.98
	Estradiol containing CHCs	0.64	0.51, 0.81	0.82	0.71, 0.94		0.94	0.82, 1.08	0.90	0.75, 1.09
	Progestin-only	0.96	0.75, 1.21	0.99	0.87, 1.12		1.09	0.98, 1.20	1.04	0.92, 1.18
		HC use = two redeemed prescriptions
	No HC
	Current HC	0.86	0.75, 0.99	0.83	0.77, 0.90		0.89	0.83, 0.96	0.97	0.87, 1.07
	CHC	0.86	0.74, 0.99	0.81	0.74, 0.88		0.85	0.78, 0.92	0.88	0.77, 1.01
	EE containing CHCs	0.96	0.81, 1.13	0.81	0.74, 0.89		0.85	0.78, 0.94	0.85	0.72, 1.01
	Estradiol containing CHCs	0.65	0.49, 0.85	0.80	0.69, 0.94		0.84	0.72, 0.99	0.93	0.75, 1.15
	Progestin-only	0.86	0.63, 1.19	0.94	0.80, 1.10		1.03	0.90, 1.17	1.09	0.94, 1.26

HC use defined as one redeemed prescription (upper part) or two redeemed prescriptions (bottom part). Analyses are controlled for marital status, socioeconomic status, education, recent delivery and recent psychiatric hospitalization

CHC combined hormonal contraception, EE ethinylestradiol, HC hormonal contraception