Table 4. RRs for all-cause and suicide mortality by baseline sociodemographic characteristics.

Parameters	Schizophrenia				Mood disorder				Mental and behavioral disorder due to psychoactive substance use
	All causes		Suicide		All causes		Suicide		All causes		Suicide
	RRs (95% CI)	P value	RRs (95% CI)	P value	RRs (95% CI)	P value	RRs (95% CI)	P value	RRs (95% CI)	P value	RR (95% CI)	P value
Age, yr
15–24	1.00		1.00		1.00		1.00		1.00		1.00
25–34	1.47 (0.98–2.19)	0.060	1.25 (0.80–1.96)	0.325	2.18 (1.56–3.04)	< 0.001	2.32 (1.52–3.53)	< 0.001	2.36 (1.11–5.01)	0.026	2.83 (0.98–8.19)	0.054
35–44	1.43 (0.97–2.12)	0.074	0.91 (0.57–1.45)	0.686	3.05 (2.22–4.17)	< 0.001	2.07 (1.37–3.15)	< 0.001	4.37 (2.15–8.91)	< 0.001	2.15 (0.76–6.13)	0.151
45–54	1.80 (1.22–2.67)	0.003	0.57 (0.32–1.01)	0.053	4.19 (3.09–5.69)	< 0.001	2.23 (1.47–3.37)	< 0.001	6.47 (3.20–13.08)	< 0.001	2.48 (0.88–6.98)	0.086
55–64	4.29 (2.92–6.31)	< 0.001	1.10 (0.60–2.00)	0.760	7.65 (5.66–10.34)	< 0.001	2.76 (1.80–4.23)	< 0.001	7.67 (3.77–15.58)	< 0.001	2.87 (0.99–8.31)	0.052
65–74	8.44 (5.77–12.34)	< 0.001	0.84 (0.38–1.83)	0.660	16.60 (12.32–22.35)	< 0.001	3.25 (2.10–5.03)	< 0.001	12.13 (5.96–24.69)	< 0.001	4.00 (1.35–11.86)	0.012
75 or above	15.80 (10.88–22.97)	< 0.001	0.30 (0.09–1.03)	0.055	39.77 (29.56–53.50)	< 0.001	3.41 (2.15–5.41)	< 0.001	22.71 (11.09–46.51)	< 0.001	4.08 (1.22–13.59)	0.022
Sex
Men	1.00		1.00		1.00		1.00		1.00		1.00
Women	0.66 (0.58–0.75)	< 0.001	0.78 (0.58–1.05)	0.108	0.53 (0.51–0.56)	< 0.001	0.48 (0.41–0.57)	< 0.001	0.45 (0.38–0.53)	< 0.001	0.92 (0.64–1.31)	0.636
Income
Medical aid	1.00		1.00		1.00		1.00		1.00		1.00
Low	0.90 (0.73–1.11)	0.335	1.60 (0.97–2.65)	0.068	0.91 (0.81–1.02)	0.111	0.83 (0.56–1.24)	0.361	0.76 (0.63–0.91)	0.002	0.80 (0.48–1.35)	0.408
Middle	0.98 (0.80–1.20)	0.852	1.50 (0.91–2.49)	0.114	0.84 (0.75–0.94)	0.003	0.85 (0.58–1.26)	0.422	0.64 (0.54–0.77)	< 0.001	0.75 (0.45–1.24)	0.262
High	0.98 (0.79–1.21)	0.840	2.77 (1.69–4.55)	< 0.001	0.75 (0.67–0.85)	< 0.001	0.78 (0.52–1.16)	0.222	0.52 (0.42–0.64)	< 0.001	0.60 (0.33–1.07)	0.081
Region
Seoul/metropolitan cities	1.00		1.00		1.00		1.00		1.00		1.00
Others	0.97 (0.85–1.10)	0.593	1.01 (0.75–1.35)	0.962	0.89 (0.84–0.94)	< 0.001	1.00 (0.84–1.18)	0.970	0.97 (0.87–1.09)	0.594	0.93 (0.69–1.26)	0.632
CCI
0	1.00		1.00		1.00		1.00		1.00		1.00
1	0.72 (0.56–0.93)	0.011	0.60 (0.40–0.90)	0.015	0.77 (0.65–0.92)	0.005	0.62 (0.46–0.84)	0.002	1.01 (0.79–1.29)	0.928	0.76 (0.45–1.29)	0.306
2	0.82 (0.64–1.04)	0.106	0.62 (0.40–0.95)	0.030	0.82 (0.69–0.96)	0.016	0.67 (0.50–0.90)	0.008	0.92 (0.72–1.17)	0.489	0.55 (0.31–0.98)	0.043
3	0.88 (0.69–1.12)	0.304	0.45 (0.28–0.73)	0.001	0.68 (0.58–0.80)	< 0.001	0.40 (0.29–0.54)	< 0.001	0.97 (0.77–1.23)	0.807	0.61 (0.36–1.03)	0.064
4	0.82 (0.62–1.07)	0.135	0.47 (0.25–0.90)	0.023	0.68 (0.58–0.80)	< 0.001	0.46 (0.34–0.63)	< 0.001	1.14 (0.89–1.45)	0.294	0.79 (0.46–1.37)	0.401
5	0.95 (0.72–1.24)	0.681	0.40 (0.17–0.94)	0.036	0.81 (0.69–0.96)	0.012	0.45 (0.32–0.64)	< 0.001	1.09 (0.84–1.42)	0.518	0.66 (0.35–1.27)	0.214
6	0.81 (0.59–1.09)	0.167	0.48 (0.19–1.23)	0.128	0.99 (0.84–1.16)	0.892	0.44 (0.30–0.65)	< 0.001	1.46 (1.13–1.90)	0.004	0.90 (0.47–1.73)	0.745
7	1.04 (0.81–1.33)	0.769	0.05 (0.01–0.39)	0.004	1.46 (1.25–1.69)	< 0.001	0.26 (0.18–0.39)	< 0.001	1.83 (1.46–2.29)	< 0.001	0.61 (0.32-1.14)	0.120
Type									1.00
Schizophrenia	1.00		1.00						2.36 (1.11–5.01)
Schizoaffective disorder	1.14 (0.87–1.48)	0.337	0.83 (0.43–1.63)	0.593					4.37 (2.15–8.91)

RRs = rate ratios, CCI = Charlson Comorbidity Index, CI = confidence interval.