Table 4.

Matched crude and adjusted odds ratios (ORs) with 95% confidence intervals (CIs) for mortality in persons aged 65 years and older in Sweden 2011

	Mortality, OR (95% CI)
	Unadjusted*	Adjusted**
Education
Primary school	Reference	Reference
Secondary school	0.86 (0.85–0.88)	0.86 (0.84–0.87)
University	0.69 (0.67–0.70)	0.73 (0.71–0.75)
Missing information	1.03 (0.98–1.08)	1.12 (1.06–1.17)
Inpatient days, n
0–5	Reference	Reference
6–10	3.05 (2.95–3.15)	2.51 (2.42–2.59)
11–15	4.61 (4.46–4.77)	3.56 (3.44–3.69)
16–20	6.01 (5.80–6.23)	4.45 (4.28–4.62)
21–25	7.29 (7.01–7.58)	5.10 (4.90–5.32)
26–30	8.46 (8.11–8.84)	5.81 (5.55–6.08)
31–	11.64 (11.37–11.91)	7.29 (7.10–7.50)
Charlson co‐morbidity index (cont.)	1.33 (1.33–1.34)	1.21 (1.20–1.21)
Dementia	2.26 (2.20–2.31)	2.14 (2.08–2.20)
Psychotropic drugs
Antidepressants	2.10 (2.06–2.14)	1.43 (1.40–1.46)
Antipsychotics	2.87 (2.79–2.96)	2.10 (2.02–2.17)
Anxiolytics	2.08 (2.04–2.12)	1.35 (1.32–1.38)
Hypnotics and sedatives	1.49 (1.47–1.52)	0.91 (0.89–0.93)
Psychotropic drugs, n
0	Reference	Reference
1	1.83 (1.80–1.87)	1.42 (1.39–1.45)
2	2.47 (2.42–2.53)	1.74 (1.69–1.78)
3	3.01 (2.91–3.10)	1.99 (1.92–2.06)
4	3.91 (3.66–4.16)	2.50 (2.33–2.69)
Other drugs (cont.)	1.08 (1.08–1.09)	0.99 (0.99–0.99)

^* Matched for age, sex, and case event day.

^** Matched for age, sex, and case event day and adjusted for all variables in table.