Table 2 Health system use by SL residents in Alberta Canada between April 1, 2013 and March 31, 2018 by loneliness and social isolation
|  | Total n = 18,191 | Lonely, n, % (95% CI) n = 3238 | Socially isolated, n, % (95% CI) n = 713 | Neither lonely or socially isolated, n, % (95% CI) n = 14,240 |
|---|---|---|---|---|
Emergency Department Visits | ||||
 Any unplanned ED visits in the follow-up year | ||||
  Yes | 10,119 55.6 (54.9–56.4) | 1983 61.2 (59.6–62.9) | 332 46.6 (42.9–50.2) | 7804 54.8 (54.0–55.6) |
 If unplanned ED visit | ||||
  1 | 4301 42.5 (41.5–43.5) | 758 38.2 (36.1–40.4) | 152 45.8 (40.4–51.1) | 3391 43.5 (42.4–44.6) |
  2 | 2534 25.0 (24.2–25.9) | 476 24.0 (22.1–25.9) | 63 19.0 (14.8–23.2) | 1995 25.6 (24.6–26.5) |
  3 | 1354 13.4 (12.7–14.0) | 308 15.5 (13.9–17.1) | 40 12.1 (8.6–15.6) | 1006 12.9 (12.2–13.6) |
  4+ | 1930 19.1 (18.3–19.8) | 441 22.2 (20.4–24.1) | 77 23.2 (18.7–27.7) | 1412 18.1 (17.2–19.0) |
 ED visit for fall-related injury | 3742 37.0 (36.0–37.9) | 752 37.9 (35.8–40.1) | 107 32.2 (27.2–37.3) | 2883 36.9 (35.9–38.0) |
Hospital Admissions | ||||
 Non-elective hospital admission in follow up year | ||||
  Yes | 6033 33.2 (32.5–33.9) | 1238 38.2 (36.6–39.9) | 204 28.6 (25.3–31.9) | 4591 32.2 (31.5–33.0) |
 If non-elective hospital admission | ||||
  1 | 3858 64.0 (62.7–65.2) | 781 63.1 (60.4–65.8) | 120 58.8 (52.1–65.6) | 2957 64.4 (63.0–65.8) |
  2+ | 2175 36.1 (34.8–37.3) | 457 36.9 (34.2–39.6) | 84 41.2 (34.4–47.9) | 1634 35.6 (34.2–37.0) |
 If non-elective hospital admission, total number of days in hospital (Mean, Median) | ||||
  Mean (SD) | 20.1 (49.8) | 20.4 (56.6) | 29.4 (80.3) | 19.5 (45.6) |
  Median (IQR) | 8 (4, 18) | 7 (4, 17) | 8 (3, 24) | 8 (4, 17) |
If non-elective hospital admission, proportion who experienced time as alternate level of care status | 1438 23.8 (22.8–24.9) | 297 24.0 (21.6–26.4) | 44 21.6 (15.9–27.2) | 1097 23.9 (22.7–25.1) |