Table 1.

Socio-Demographics, Health Characteristics, and Mortality in a Large Sample of Older Adults (N=7982).

	Total (N = 7982)		Died (n = 548)		Survived (n = 7434)
	N	%	n	%	n	%	p-value a
Age (in years)
65–69	1431	17.9	30	5.5	1401	18.8	<0.001
70–74	2118	26.5	71	13.0	2047	27.5
75–79	1763	22.1	92	16.8	1671	22.5
80–84	1334	16.7	97	17.7	1237	16.6
≥85	1336	16.7	258	47.1	1078	14.5
Gender
Male	3533	45.0	272	49.6	3261	43.9	0.002
Female	4449	55.0	276	50.4	4173	56.1
Minority (proxy by zip code)
Low	4292	53.8	310	56.6	3982	53.6	0.370
Medium	3435	43.0	223	40.7	3213	43.2
High	255	3.2	15	2.7	240	3.2
Median household income (proxy by zip code)
Low	1183	14.8	100	18.2	1083	14.6	0.05
Medium	2965	37.1	204	37.2	2761	37.1
High	3834	48.0	244	44.5	3590	48.3
Region
Northeast	1953	24.5	160	29.2	1793	24.1	0.00
Midwest	1572	19.7	110	20.1	1462	19.7
South	2776	34.8	189	34.5	2587	34.8
West	1681	21.1	89	16.2	1592	21.4
Rural urban commuting area
Urban	5615	70.3	371	67.7	5244	70.5	0.37
Suburban	1290	16.2	97	17.7	1193	16.0
Rural	1077	13.5	90	16.4	997	13.4
HCC score
<0.50	1865	23.4	22	4.0	1844	24.8	<0.001
0.50 to < 1.20	3523	44.1	146	26.6	3378	45.4
1.20 to < 2.80	2082	26.1	247	45.1	1833	24.7
≥2.80	512	6.4	133	24.3	379	5.1
Charlson Comorbidity Score
No comorbidity	2885	36.1	62	11.3	2823	38.0	<0.001
CCI score (1–2)	2789	34.9	157	28.6	2632	35.4
CCI score (3–4)	1326	16.6	141	25.7	1185	15.9
CCI score (≥5)	982	12.3	188	34.3	794	10.7
Loneliness (UCLA-3)
No loneliness	4448	55.7	223	40.7	4224	56.8	<0.001
Moderate loneliness	1977	24.8	159	29.0	1818	24.5
Severe loneliness	1557	19.5	166	30.3	1389	18.7
Social isolation (SNI)
Limited social network	2371	29.7	246	44.9	2123	28.6	<0.001
Moderate social network	3458	43.3	222	40.5	3235	43.5
Diverse social network	2153	27.0	80	14.6	2076	27.9

Abbreviations: HCC; Hierarchical Condition Category, CCI; Charlson Comorbidity Index, SNI; Social Network Index.

^aChi-square test for categorical variables, significance at p-value <0.05.