Table 1

Population size, distribution of suicides, crude and adjusted relative risks by marital status: entire sample

Marital status		Suicides		Population at risk	Model 1^†		Model 2^‡
Marital status		Suicides		Population at risk	RR	95% CI	RR	95% CI
Marital status
Married	310	279 969	1.00	(Reference)	1.00	(Reference)
Single	132	116 510	1.26	0.96, 1.64	1.09	0.83, 1.43
Divorced	69	37 593	1.76^***	1.35, 2.28	2.08^***	1.58, 2.72
Widowed	31	34 082	0.66^**	0.45, 1.05	1.26	0.83, 1.89
Unknown	3	3 768	0.80	0.25, 2.50	0.54	0.05, 5.62
Sex
Female	113	248 290	1.00	(Reference)	1.00	(Reference)
Male	432	223 519	4.45^***	3.62, 5.47	4.78^***	3.86, 5.93
Race/ethnicity
White	496	400 878	1.00	(Reference)	1.00	(Reference)
African American	24	45 789	0.43^***	0.28, 0.65	0.39^***	0.26, 0.59
Hispanic	25	25 555	0.81	0.54, 1.21	0.70	0.47, 1.06
Education
16+ years	60	64 988	1.00	(Reference)	1.00	(Reference)
0–8	97	69 511	1.42^**	1.01, 1.98	1.50^**	1.05, 2.14
9–11	106	89 915	1.26	0.91, 1.75	1.42^**	1.01, 1.98
12	188	170 653	1.17	0.87, 1.57	1.38^**	1.02, 1.86
13–15	91	73 658	1.35	0.97, 1.87	1.47^**	1.06, 2.05
Unknown	3	3 197	1.06	0.33, 3.39	2.02	0.19, 20.58
Household income
$25 000+	130	125 865	1.00	(Reference)	1.00	(Reference)
<$5000	53	44 729	1.12	0.80, 1.56	1.32	0.93, 1.88
$5000–$9999	102	70 130	1.38^***	1.05, 1.80	1.47^***	1.11, 1.95
$10 000–$19 999	151	139 375	1.05	0.83, 1.34	1.05	0.83, 1.34
$20 000–$24 999	84	62 981	1.31^**	0.99, 1.72	1.28	0.97, 1.70
Unknown	25	28 242	0.83	0.54, 1.28	0.84	0.53, 1.32
Region of country
Non-West	474	426 855	1.00	(Reference)	1.00	(Reference)
West	71	45 067	1.47^***	1.14, 1.88	1.40^***	1.09, 1.81
Age (y)
15–24	114	111 163	1.00	(Reference)	1.00	(Reference)
25–34	97	101 199	0.86	0.67, 1.10	0.87	0.67, 1.12
35–44	125	118 526	1.02	0.81, 1.28	1.06	0.80, 1.39
45–54	73	62 022	1.10	0.82, 1.45	1.17	0.83, 1.64
55–64	82	59 580	1.34^**	1.02, 1.76	1.41^**	1.01, 1.95
65+	93	67 928	1.55^***	1.19, 2.01	1.61^***	1.13, 2.27
LRS					13 841.62
Model χ²					349.38^***
df					23
Number of suicides:		545
Number of observations:		471 922

Source: The National Longitudinal Mortality Study, 1979–1989.^†Relative risks (RR) adjusted for age only. ^‡Relative risks (RR) adjusted for age, race, sex, education, income, and region of residence. ^**Significant at p<0.05, ^***significant at p<0.01. LRS = Likelihood ratio statistic, df = degrees of freedom.