Table 1 Characteristics of the study population.
From: Social isolation and all-cause mortality: a population-based cohort study in Denmark
Social Network Index | Total | |||||
|---|---|---|---|---|---|---|
0/1 | 2 | 3 | 4 | Missing | ||
N (%) | N (%) | N (%) | N (%) | N (%) | N (%) | |
Characteristics | ||||||
Total | 2,143 | 6,768 | 10,224 | 2,429 | 40 | 21,604 |
Gender | ||||||
Women | 927 (43) | 3,430 (51) | 5,705 (56) | 1,404 (58) | 19 (49) | 11,485 (53) |
Men | 1,237 (57) | 3,338 (49) | 4,519 (44) | 1,025 (42) | 20 (51) | 10,119 (47) |
Age category, years | ||||||
25–39 | 350 (16) | 1,605 (24) | 2,777 (27) | 421 (17) | 3 (7.7) | 5,156 (24) |
40–59 | 1,015 (47) | 3,127 (46) | 4,685 (46) | 978 (40) | 10 (26) | 9,815 (45) |
60–79 | 779 (36) | 2,036 (30) | 2,762 (27) | 1,030 (42) | 26 (67) | 6,633 (31) |
Minimum education, years | ||||||
Missing | 75 (3.5) | 84 (1.2) | 43 (0.4) | 7 (0.3) | 37 (95) | 246 (1.1) |
≤7 | 583 (27) | 1,311 (19) | 1,505 (15) | 520 (21) | 2 (5.1) | 3,921 (18) |
8–9 | 379 (18) | 1,107 (16) | 1,429 (14) | 281 (12) | 0 (0) | 3,196 (15) |
10 | 605 (28) | 1,951 (29) | 2,969 (29) | 645 (27) | 0 (0) | 6,170 (29) |
High school/Equivalent (minimum 12–13 years of education) | 398 (19) | 1,939 (29) | 3,617 (35) | 781 (32) | 0 (0) | 6,735 (31) |
Other (e.g. skilled manual work) | 104 (5.0) | 376 (6.0) | 661 (6.5) | 195 (8.0) | 0 (0) | 1,336 (0.06) |
Personal annual income, Danish Kroner | ||||||
Missing | 218 (10) | 508 (7.5) | 699 (6.8) | 179 (7.4) | 31 (80) | 1,635 (7.6) |
0–99,000 | 182 (8.5) | 574 (8.5) | 809 (7.9) | 308 (13) | 0 (0) | 1,873 (8.7) |
100,000–149,000 | 453 (21) | 1,026 (15) | 1,161 (11) | 352 (15) | 3 (7.7) | 2,995 (14) |
150,000–249,000 | 562 (26) | 1,851 (27) | 2,810 (28) | 656 (27) | 2 (5·1) | 5,881 (27) |
250,000–374,000 | 520 (24) | 1,887 (30) | 3,096 (30) | 615 (25) | 2 (5·1) | 6,120 (28) |
375,000–524,000 | 142 (6.6) | 648 (9.6) | 1,146 (11) | 233 (9.6) | 0 (0) | 2,169 (10) |
≥525,000 | 67 (3.1) | 274 (4.0) | 503 (4.9) | 86 (3.5) | 1 (2.6) | 931 (4.3) |
Smoking status | ||||||
Missing | 113 (5.3) | 244 (3.6) | 267 (2.6) | 99 (4.1) | 27 (69) | 750 (3.5) |
Never smoker | 674 (31) | 2,530 (37) | 4,605 (45) | 1,223 (50) | 6 (15) | 9,038 (42) |
Former smoker | 466 (22) | 1,711 (25) | 2,656 (26) | 648 (27) | 3 (7.7) | 5,484 (25) |
Current smoker | 891 (42) | 2,283 (34) | 2,696 (26) | 459 (19) | 3 (7.7) | 6,332 (29) |
Level of alcohol use | ||||||
Missing | 348 (16) | 652 (10) | 656 (6.4) | 211 (8.7) | 29 (74) | 1,896 (8.8) |
Low | 1,235 (58) | 4,360 (64) | 7,110 (70) | 1,716 (71) | 8 (21) | 14,429 (67) |
Medium | 358 (17) | 1,325 (20) | 1,918 (19) | 404 (17) | 0 (0) | 4,005 (19) |
High | 203 (10) | 431 (6·4) | 540 (5.3) | 98 (4.0) | 2 (5.1) | 1,274 (5.9) |
Body mass index | ||||||
Missing | 84 (3.9) | 153 (2.3) | 166 (1.6) | 38 (1.6) | 34 (87) | 475 (2.2) |
Underweight | 53 (2.5) | 116 (1.7) | 116 (1.1) | 27 (1.1) | 0 (0) | 312 (1.4) |
Normal | 958 (45) | 3,212 (48) | 5,044 (49) | 1,136 (47) | 1 (2.6) | 10,351 (48) |
Overweight | 696 (33) | 2,329 (34) | 3,588 (35) | 899 (37) | 3 (7.7) | 7,515 (35) |
Obese | 353 (17) | 958 (14) | 1,310 (13) | 329 (14) | 1 (2.6) | 2,951 (14) |
Self-rated health | ||||||
Missing | 15 (0.7) | 46 (0.7) | 63 (0.6) | 17 (0.7) | 2 (5.1) | 143 (0.7) |
Excellent | 150 (7.0) | 593 (8.8) | 1,185 (12) | 227 (9.3) | 3 (7.7) | 2,158 (10) |
Very good | 525 (25) | 2,367 (35) | 4,327 (42) | 1,005 (41) | 9 (23) | 8,233 (38) |
Good | 924 (43) | 2,722 (40) | 3,597 (35) | 950 (39) | 12 (31) | 8,205 (38) |
Not quite good | 418 (20) | 885 (13) | 909 (8.9) | 206 (8.5) | 9 (23) | 2,427 (11) |
Bad | 112 (5.2) | 155 (2.3) | 143 (1.4) | 24 (1.0) | 4 (10) | 438 (2.0) |
Hypertension | 521 (24) | 1,469 (22) | 2,011 (20) | 592 (24) | 7 (18) | 4,600 (21) |
COPD, bronchitis, emphysema | 67 (3.1) | 113 (1.7) | 115 (1.1) | 28 (1.2) | 0 (0) | 323 (1.5) |
Diabetes | 107 (5.0) | 237 (3.5) | 253 (2.5) | 82 (3.4) | 2 (5.0) | 681 (3.2) |
Dyslipidemia | 255 (12) | 674 (10) | 863 (8.4) | 286 (12) | 5 (13) | 2,083 (9.6) |
Charlson comorbidity index | ||||||
0 | 1,786 (83) | 5,979 (88) | 9,316 (91) | 2,147 (88) | 30 (77) | 19,258 (89) |
1–2 | 300 (14) | 666 (9.8) | 800 (7.8) | 251 (10) | 6 (15) | 2,023 (9.4) |
>2 | 58 (2.7) | 123 (1.8) | 108 (1.1) | 31 (1.3) | 3 (7.7) | 323 (1.5) |
Antidepressant use | ||||||
None | 1,691 (79) | 5,785 (86) | 9,016 (88) | 2,113 (87) | 31 (80) | 18,636 (86) |
Past | 251 (12) | 579 (8.6) | 726 (7.1) | 175 (7.2) | 2 (5.0) | 1,733 (8.0) |
Current | 202 (9.4) | 404 (6.0) | 482 (4.7) | 141 (5.8) | 6 (15) | 1,235 (5.7) |
Strong analgesics use | ||||||
None | 1,675 (78) | 5,547 (82) | 8,553 (84) | 2,008 (83) | 28 (72) | 17,811 (82) |
Past | 361 (17) | 968 (14) | 1,374 (13) | 348 (14) | 10 (26) | 3,061 (14) |
Current | 108 (5.0) | 253 (3.7) | 297 (2.9) | 73 (3.0) | 1 (2.6) | 732 (3.4) |
