Table 3.

Association and interaction test of individual sociodemographic variables and sepsis by sex, in adults in Sweden (1997–2018).

	Men			Women			Ratio between men and women
Covariates	HR	95% CI		HR	95% CI		Ratio	95% CI
Age (ref. age 18–49 years)
50–59	4.13	4.04	4.22	3.09	3.02	3.17	1.33	1.29	1.38
60–69	8.73	8.54	8.93	5.43	5.30	5.57	1.61	1.56	1.66
70–79	16.15	15.80	16.52	8.97	8.76	9.18	1.80	1.74	1.86
≥ 80	23.16	22.51	23.84	11.06	10.74	11.39	2.09	2.01	2.18
Educational level (ref. > 12 years)
≤ 9	1.13	1.11	1.16	1.27	1.24	1.30	0.89	0.87	0.92
10–12	1.03	1.01	1.04	1.10	1.07	1.12	0.93	0.91	0.96
Family income (ref. High)
Low	1.04	1.01	1.06	1.08	1.06	1.11	0.96	0.93	0.99
Middle	1.06	1.04	1.07	1.13	1.10	1.15	0.94	0.91	0.96
Region of residence (ref. Large cities)
Southern Sweden	0.78	0.77	0.79	0.82	0.80	0.83	0.96	0.93	0.98
Northern Sweden	0.82	0.80	0.83	0.84	0.83	0.86	0.97	0.94	0.99
Marital status (ref. Married/cohabiting)	1.05	1.03	1.06	1.08	1.06	1.10	0.97	0.95	0.99
Country of Origin (ref. Sweden)
Eastern Europe	0.93	0.89	0.97	1.01	0.96	1.06	0.92	0.87	0.99
Western countries	1.06	1.03	1.10	1.07	1.04	1.10	1.00	0.96	1.04
Middle East/North Africa	0.86	0.80	0.93	1.04	0.95	1.13	0.83	0.74	0.93
Africa (excluding North Africa)	0.90	0.76	1.06	1.27	1.08	1.51	0.70	0.55	0.89
Asia/Oceania (excluding Middle East)	0.88	0.80	0.97	1.04	0.95	1.14	0.85	0.74	0.97
Latin America/Caribbean	0.81	0.71	0.93	0.87	0.76	0.99	0.93	0.77	1.12
Charlson Comorbidity Index (ref. Low)
Moderate (1–2p)	2.10	2.06	2.13	2.46	2.41	2.51	0.85	0.83	0.87
High (>2p)	4.31	3.25	5.72	3.58	2.44	5.26	0.85	0.83	0.87
Severe mental disorders (ref. No diagnosis)	1.59	1.51	1.68	1.68	1.60	1.77	0.94	0.88	1.02

Fully adjusted for all covariates. HR: Hazard Ratio; CI: Confidence interval.