Table 2.
Social isolation and sociodemographic characteristics in each phase.
| Sociodemographic indexes | Phase 1, n (%) | Phase 2, n (%) | Phase 3, n (%) | |||||||||||||||||
|
|
Total | With social isolation | Without social isolation | Total | With social isolation | Without social isolation | Total | With social isolation | Without social isolation | |||||||||||
| Overall | 3892 (100) | 2316 (59.51) | 1576 (40.49) | 3892 (100) | 2429 (62.41) | 1463 (37.59) | 3892 (100) | 2469 (63.44) | 1423 (36.56) | |||||||||||
| Sex | ||||||||||||||||||||
|
|
Male | 2079 (100) | 1313 (63.15) | 766 (36.84) | 2079 (100) | 1362 (65.51) | 717 (34.49) | 2079 (100) | 1387 (66.71) | 692 (33.29) | ||||||||||
|
|
Female | 1813 (100) | 1003 (55.32) | 810 (44.7) | 1813 (100) | 1067 (58.85) | 746 (41.15) | 1813 (100) | 1082 (59.68) | 731 (40.32) | ||||||||||
| Age (y) | ||||||||||||||||||||
|
|
18-29 | 273 (100) | 134 (49.08) | 139 (50.92) | 224 (100) | 132 (58.93) | 92 (41.07) | 186 (100) | 102 (54.84) | 84 (45.16) | ||||||||||
|
|
30-49 | 1575 (100) | 954 (60.57) | 621 (39.43) | 1514 (100) | 966 (63.80) | 548 (36.20) | 1448 (100) | 921 (63.60) | 527 (36.39) | ||||||||||
|
|
50-64 | 1395 (100) | 885 (63.44) | 510 (36.56) | 1454 (100) | 956 (65.75) | 498 (34.25) | 1510 (100) | 1035 (68.54) | 475 (31.46) | ||||||||||
|
|
≥65 | 649 (100) | 343 (52.85) | 306 (47.15) | 700 (100) | 375 (53.57) | 325 (46.43) | 748 (100) | 411 (54.95) | 337 (45.05) | ||||||||||
| Occupation | ||||||||||||||||||||
|
|
Employed | 2693 (100) | 1607 (59.67) | 1086 (40.33) | 2677 (100) | 1682 (62.83) | 995 (37.17) | 2693 (100) | 1728 (64.17) | 965 (35.83) | ||||||||||
|
|
Homemaker | 585 (100) | 308 (52.65) | 277 (47.35) | 594 (100) | 321 (54.04) | 273 (45.96) | 566 (100) | 301 (53.18) | 265 (46.82) | ||||||||||
|
|
Student | 46 (100) | 21 (45.65) | 25 (54.35) | 27 (100) | 12 (44.44) | 15 (55.56) | 19 (100) | 10 (52.63) | 9 (47.37) | ||||||||||
|
|
Unemployed | 443 (100) | 294 (66.37) | 149 (33.63) | 480 (100) | 328 (68.33) | 152 (31.67) | 564 (100) | 395 (70.04) | 169 (29.96) | ||||||||||
|
|
Other | 125 (100) | 86 (68.80) | 39 (31.20) | 114 (100) | 86 (75.44) | 28 (24.56) | 50 (100) | 35 (70) | 15 (30) | ||||||||||
| Marital status | ||||||||||||||||||||
|
|
Married | 2489 (100) | 1334 (53.60) | 1155 (46.40) | 2500 (100) | 1403 (56.12) | 1097 (43.88) | 2490 (100) | 1437 (57.71) | 1053 (42.29) | ||||||||||
|
|
Unmarried | 1403 (100) | 982 (69.99) | 421 (30.01) | 1392 (100) | 1026 (73.71) | 366 (26.29) | 1402 (100) | 1032 (73.61) | 370 (26.39) | ||||||||||
| The presence of child | ||||||||||||||||||||
|
|
Yes | 2175 (100) | 1128 (51.86) | 1047 (48.14) | 2226 (100) | 1199 (53.86) | 1027 (46.14) | 2224 (100) | 1230 (55.3) | 994 (44.7) | ||||||||||
|
|
No | 1717 (100) | 1188 (69.19) | 529 (30.81) | 1666 (100) | 1230 (73.83) | 436 (26.17) | 1668 (100) | 1239 (74.28) | 429 (25.72) | ||||||||||
| The number of cohabitants | ||||||||||||||||||||
|
|
0 | —a | — | — | 467 (100) | 353 (75.59) | 114 (24.41) | 635 (100) | 488 (76.85) | 147 (23.15) | ||||||||||
|
|
1 | — | — | — | 1212 (100) | 829 (68.40) | 383 (31.60) | 1156 (100) | 775 (67.04) | 381 (32.96) | ||||||||||
|
|
2 | — | — | — | 1003 (100) | 628 (62.61) | 375 (37.39) | 949 (100) | 609 (64.17) | 340 (35.83) | ||||||||||
|
|
3 | — | — | — | 753 (100) | 405 (53.78) | 348 (46.22) | 742 (100) | 409 (55.12) | 333 (44.88) | ||||||||||
|
|
4 | — | — | — | 332 (100) | 160 (48.19) | 172 (51.81) | 303 (100) | 143 (47.19) | 160 (52.81) | ||||||||||
|
|
≥5 | — | — | — | 125 (100) | 54 (43.20) | 71 (56.80) | 107 (100) | 45 (42.06) | 62 (57.94) | ||||||||||
| Annual household income (in million; JPYb) | ||||||||||||||||||||
|
|
<2.0 | 223 (100) | 183 (82.06) | 40 (17.94) | 247 (100) | 195 (78.95) | 52 (21.05) | 333 (100) | 262 (78.68) | 71 (21.32) | ||||||||||
|
|
2.0-3.9 | 737 (100) | 498 (67.57) | 239 (32.43) | 765 (100) | 544 (71.11) | 221 (28.89) | 756 (100) | 539 (71.30) | 217 (28.70) | ||||||||||
|
|
4.0-5.9 | 775 (100) | 461 (59.48) | 314 (40.52) | 802 (100) | 479 (59.73) | 323 (40.27) | 754 (100) | 478 (63.40) | 276 (36.60) | ||||||||||
|
|
6.0-7.9 | 525 (100) | 305 (58.10) | 220 (41.90) | 515 (100) | 317 (61.55) | 198 (38.45) | 517 (100) | 309 (59.77) | 208 (40.23) | ||||||||||
|
|
≥8.0 | 819 (100) | 394 (48.11) | 425 (51.89) | 821 (100) | 428 (52.13) | 393 (47.87) | 846 (100) | 437 (51.65) | 409 (48.35) | ||||||||||
aNot available.
b1 JPY=US $0.0093.