# Table 3 Socioeconomic indicators for the BOA populations with hip OA, grouped by sex

Hip OA male (32%)Hip OA female (68%)Knee OA male (31%)Knee OA female (69%)
Hip OAReference groupHip OAReference groupKnee OAReference groupKnee OAReference group
Populationn = 7293n = 21,879n = 15,410n = 46,230n = 15,282n = 45,846n = 34,084n = 102,252
Age in years *67.2 (9.7)67.2 (9.7)67.1 (9.6)67.1 (9.6)66.7 (9.5)66.7 (9.5)65.8 (9.6)65.8 (9.6)
Missingn = 0n = 0n = 0n = 0n = 0n = 0n = 0n = 0
Urban/suburban living68 (66.9, 69.1)67 (66.4, 67.6)69 (68.3, 69.7)68 (67.6, 68.4)68 (67.3, 68.7)67 (66.6, 67.4)70 (69.5, 70.5)69 (68.7, 69.3)
Missingn = 1n = 19n = 4n = 29n = 3n = 42n = 1n = 70
Married65.5 (64.4, 66.6)60 (59.4, 60.6)55 (54.2, 55.8)52 (51.5, 52.5)67 (66.3, 67.7)60 (59.6, 60.4)56 (55.5, 56.5)52 (51.7, 52.3)
Missingn = 1n = 20n = 4n = 29n = 3n = 42n = 1n = 71
Born in Sweden94 (93.5, 94.5)88 (87.6, 88.4)92 (91.6, 92.4)87 (86.7, 87.3)92 (91.6, 92.4)88 (87.7, 88.3)89 (88.7, 89.3)86 (85.8, 86.2)
The Nordic countries3 (2.6, 3.4)4 (3.7, 4.3)4 (3.7, 4.3)5 (4.8, 5.2)3 (2.7, 3.3)4 (3.8, 4.2)4 (3.8, 4.2)5 (4.9, 5.1)
Europe2 (1.7, 2.3)4.5 (4.2, 4.8)3 (2.7, 3.3)5 (4.8, 5.2)3 (2.7, 3.3)4.5 (4.3, 4.7)4 (3.8, 4.2)5 (4.9, 5.1)
Other countries1 (0,8, 1.2)3.5 (3.3, 3.7)1 (0.8, 1.2)3 (2.8, 3.2)2 (1.8, 2.2)3.5 (3.3, 3.7)3 (2.8, 3.2)4 (3.9, 4.1)
Missingn = 0n = 2n = 0n = 1n = 0n = 2n = 0n = 7
Educational level
Low (0–9 years)26.5 (25.5, 27.5)32.5 (31.9, 33.1)21 (20.4, 21.6)28 (27.6, 28.4)26.5 (25.8, 27.2)32 (31.8, 32.4)21 (20.6, 21.4)26.5 (26.2, 26.8)
Medium (10–14 years)58 (56.9, 59.1)54 (53.3, 54.7)60 (59.2, 60.8)56 (55.5, 56.5)60 (59.2, 60.8)54 (53.5, 54.5)61 (60.5, 61.5)57 (56.7, 57.3)
High (≥15 years)15.5 (14.7, 16.3)13.5 (13.0, 14.0)19 (18.4, 19.6)16 (15.7, 16.3)13.5 (13.0, 14.0)14 (13.7, 14.3)18 (17.6, 18.4)16.5 (16.3, 16.7)
Missingn = 18n = 236n = 47n = 526n = 51n = 446n = 74n = 1111
Population an = 5457n = 16,371n = 11,696n = 35,088n = 11,519n = 34,557n = 26,421n = 79,263
Cohabitation72 (70.8, 73.2)65 (64.3, 65.7)61 (60.1, 61.9)57 (56.5, 57.5)72 (71.2, 72.8)65 (64.5, 65.5)62 (61.4, 62.6)58 (57.7, 58.3)
Missingn = 1n = 18n = 1n = 28n = 2n = 27n = 0n = 59
Employed40 (38.7, 41.3)38 (37.3, 38.7)34 (33.1, 34.9)32 (31.5, 32.5)43 (42.1, 43.9)40.5 (40.0, 41.0)39 (38.4, 39.6)38 (37.7, 38.3)
Missingn = 4n = 32n = 1n = 51n = 6n = 53n = 0n = 109
Sick leave b, c24 (22.2, 25.8)10 (9.3, 10.7)27 (25.7, 28.3)14 (13.4, 14.6)23 (21.8, 24.2)9 (8.5, 9.5)27 (26.2, 27.8)13 (12.7, 13.3)
Days of sick leave **78 (163)70 (164)80 (175)64 (169)69 (157)56 (156)73 (161)59 (167)
Missingn = 0n = 11n = 1n = 17n = 2n = 20n = 0n = 37
Income quartile c
Lowest (≤12,262)13 (12.1, 13.9)22 (21.4, 22.6)19.5 (18.8, 20.2)28.5 (28.0, 29.0)12 (11.4, 12.6)21 (20.6, 21.4)19 (18.5, 19.5)27 (26.7, 27.3)
2nd (12,263-16,654)27 (25.8, 28.2)27 (26.3, 27.7)29 (28.2, 29.8)26.5 (26.0, 27.0)26 (25.2, 26.8)26 (25.5, 26.5)28 (27.5, 28.5)25 (24.7, 25.3)
3rd (16,655-22,962)29 (27.8, 30.2)24 (23.3, 24.7)25.5 (24.7, 26.3)22 (21.6, 22.4)30 (29.2, 30.8)24 (23.5, 24.5)27 (26.5, 27.5)23 (22.7, 23.3)
Highest (≥22,963)31 (29.8, 32.2)27 (26.3, 27.7)26 (25.2, 26.8)23 (22.6, 23.4)32 (31.2, 32.9)29 (28.5, 29.5)26 (25.5, 26.5)25 (24.7, 25.3)
Income d **18,544 (10,754)16,948 (10,991)16,977 (10,355)15,552 (10,379)19,000 (10,631)17,366 (11,410)17,243 (10,384)16,236 (11,058)
Missingn = 1n = 18n = 1n = 28n = 2n = 27n = 0n = 59
Occupatione
White-collar workers52 (49.4, 54.6)50 (48.4, 51.6)54 (52.2, 55.8)57 (56.0, 58.0)44 (42.3, 45.7)50 (49.0, 51.0)51 (49.9, 52.1)58 (57.4, 58.6)
% with sick leave b, c19 (16.2, 21.8)8 (6.8, 9.2)26 (23.9, 28.1)14 (13.0, 15.0)16 (14.1, 17.9)7 (6.3, 7.7)24 (22.7, 25.3)13 (12.4, 13.6)
Days of sick leave **50 (118)59 (144)59 (133)51 (130)49 (111)51 (124)50 (122)44 (121)
Blue-collar workers48 (45.4, 50.6)50 (48.4, 51.6)46 (44.2, 47.8)43 (42.0, 44.0)56 (54.3, 57.7)50 (49.0, 51.0)49 (47.9, 50.1)42 (41.4, 42.6)
% with sick leave c33 (29.5, 36.5)12 (10.6, 13.4)39 (36.4, 41.6)19 (17.7, 20.3)32 (29.9, 34.1)14 (13.0, 15.0)40 (38.5, 41.5)20 (19.2, 20.8)
Days of sick leave **78 (144)35 (90)77 (155)42 (108)55 (120)37 (100)61 (135)42 (109)
Missingn = 257n = 746n = 385n = 1011n = 657n = 1855n = 912n = 2592
1. Description of socioeconomic indicators for the BOA populations with hip OA compared to their reference groups from the general Swedish population, grouped by sex
2. Percentages and confidence interval (CI upper, lower) is reported, if no other information is given. *Mean (SD). **Median (IQR)
3. aThe variables below were only analyzed among those individuals with their baseline year between 2008 and 2015
4. bAmong those ≤65 years
5. cDuring the baseline year. d The amount is stated in Euro (€)
6. eAmong those that were ≤ 65 years and categorized as employed at baseline