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Table 2 Patient characteristics in HEMS missions to islands and the mainland in the period 1 October 2014–30 September 2017, N (%)

From: Helicopter emergency medical services missions to islands and the mainland during a 3-year period in Denmark: a population-based study on patient and sociodemographic characteristics, comorbidity, and use of healthcare services

Variable Islands Mainland Total
N = 5,365
Missions
N = 948
Background population January 2016
N = 59,361
Missions N = 4,417 Background population January 2016
N = 5,647,891
Missions
N = 5,365
Background population January 2016 (total)
N = 5,707,252
“Tourists”
N = 278
Inhabitants
N = 670
Gender
 Female
 Male
109 (39.2)
169 (60.8)
274 (40.9)
396 (59.1)
29,819 (50.2)
29,542 (49.8)
1,426 (32.3)
2991 (67.7)
2,839,545 (50,3)
2,808,346 (49,7)
1,809 (33.7)
3,556 (66.3)
2,869,364 (50.3)
2,837,888 (49.7)
Agegroup
 0–15
 16–30
 31–65
 66 + 
27 (9.7)
32 (11.5)
124 (44.6)
95 (34.2)
27 (4.0)
24 (3.6)
242 (36.1)
377 (56.3)
8,277 (13.9)
6,951 (11.7)
27,610 (46.5)
16,523 (27.8)
359 (8.2)
457 (10.4)
1,979 (44.8)
1,622 (36.7)
1,021,124 (18,1)
1,090,562 (19,3)
2,544,698 (45,1)
991,507 (17,6)
413 (7.7)
513 (9.6)
2,345 (43.7)
1094 (39.0)
1,029,401 (18.0)
1,097,513 (19.2)
2,572,308 (45.1)
1,008,030 (17.7)
Cohabitation status
 Cohabiting
 Living alone
192 (69.1)
86 (30.9)
395 (59.0)
275 (41.0)
38,569 (65.0)
20,792 (35,0)
2,829 (64.0)
1,588 (36.0)
3,759,970 (66.6)
1,887,921 (33,4)
3,416 (63.7)
1,949 (36.3)
3,798,539 (66.6)
1,908,713 (33.4)
Employment*   
 Employed
 Unemployed
 Student
 Retired
 Other
102 (42.5)
30 (12.5)
**
99 (41.3)
9 (3.8)
127 (20.0)
111 (17.5)
**
384 (60.4)
14 (2.2)
22,657 (45,6)
6,855 (13,8)
1,460 (2,9)
17,664 (35,5)
1,063 (2,1)
1,520 (38.0)
652 (16.3)
**
1,667 (41.7)
156 (3.9)
2,417,643 (53.8)
583,963 (13.0)
328,923 (7.3)
1,027,813 (22.9)
131,751 (2.9)
1,749 (35.9)
793 (16.3)
**
2,150 (44.1)
179 (3.7)
2,440,300 (53.8)
590,818 (13.0)
330,383 (7.3)
1,045,477 (23.0)
132,814 (2.9)
Education*
 Elementary
 Short
 Medium/long
 Missing
57 (23.8)
102 (42.5)
75 (31.3)
6 (2.5)
276 (43.4)
245 (38.5)
83 (13.1)
32 (5.0)
18,147 (36,5)
22,671 (45,6)
8.881 (17,9)
-
1,663 (41.6)
1,707 (42.7)
480 (12.0)
145 (3.6)
1,400,470 (31.2)
2,014,787 (44,9)
1,074,836 (23,9)
-
1,996 (41.0)
2,054 (42.2)
638 (13.1)
183 (3.8)
1,418,617 (31.2)
2,037,458 (44.9)
1,083,717 (23.9)
-
Income quintiles*   
 1, (lowest)
 2
 3
 4
 5 (highest)
39 (16.3)
53 (22.1)
37 (15.4)
53 (22.1)
58 (24.2)
210 (33.0)
197 (31.0)
102 (16.0)
83 (13.1)
44 (6.9)
12,544 (25,2)
12,124 (24,4)
10,413 (21,0)
8,744 (17,6)
5,874 (11,8)
1099 (27.5)
992 (24.8)
753 (18.8)
654 (16.4)
497 (12.4)
895,419 (19.9)
895,831 (20.0)
897,546 (20.0)
899,214 (20.0)
902,083 (20.1)
1,348 (27.7)
1,242 (25.5)
892 (18.3)
790 (16.2)
599 (12.3)
907,963 (20.0)
907,955 (19.8)
907,959 (20.0)
907,958 (20.0)
907,957 (20.0)
Comorbidity
 None
 Mild
 Severe
180 (64.7)
50 (18.0)
48 (17.3)
310 (46.3)
130 (19.4)
230 (34.3)
47,243 (79,6)
6,114 (10,3)
6,004 (10,1)
3,010 (68.1)
607 (13.7)
800 (18.1)
4,806,843 (85.1)
446,932 (7.9)
394,116 (7.0)
3,500 (65.2)
787 (14.7)
1078 (20.1)
4,854,086 (85.1)
453,046 (7.9)
400,120 (7.0)
GP contact the year before HEMS mission   
 Yes
 No
248 (89.2)
30 (10.8)
619 (92.4)
51 (7.6)
49,417 (83,2)
9,944 (16,8)
3,872 (87.7)
545 (12.3)
4,654,682 (82.4)
993,209 (17.6)
4,739 (88.3)
626 (11.7)
4,704,099 (82.4)
1,003,153 (17.6)
Hospital contact the year before HEMS mission   
 Yes
 No
163 (58.6)
115 (41.4)
437 (65.2)
233 (34.8)
30,093 (50,7)
29,268 (49,3)
2,494 (56.5)
1,923 (43.5)
2,373,605 (42.0)
3,274,286 (58.0)
3,094 (57.7)
2,271 (42.3)
2,403,698 (42.1)
3,303,554 (57.9)
  1. Employment, education and income are tabulated for the adult population (≥ 18 years, N = 4,871 (HEMS missions)/ N = 4,539,792 (background population))
  2. **Students were included in the “other category”, as there were too few cases to report