Table 1

Patient characteristics in three response groups

 Cluster 1 (n=2241)Cluster 5 (n=1769)Outliers (n=504)
No comments providedComments providedRandom sampleNo comments providedComments providedRandom sampleNo comments providedComments providedRandom sample
Gender
 Male724 (43)240 (44)27 (54)582 (50)210 (35)18 (37)101 (47)126 (44)18 (36)
 Female968 (57)302 (56)23 (46)585 (50)384 (65)31 (63)112 (53)160 (56)32 (64)
Age in years (mean±SD)59.0±17.859.0±17.161.0±17.060.0±18.458.0±18.755.0±19.157.0±18.958.0±17.956.0±17.9
Education level
 Primary school458 (28)110 (21)15 (30)343 (31)106 (18)10 (21)71 (35)68 (24)14 (29)
 High school606 (37)189 (36)16 (32)465 (41)246 (43)15 (31)82 (40)111 (40)20 (41)
 University undergraduate372 (23)149 (28)12 (24)240 (21)150 (26)18 (38)41 (20)61 (22)9 (18)
 University postgraduate193 (12)81 (15)7 (14)78 (7)75 (13)5 (10)10 (5)40 (14)6 (12)
Native language
 Norwegian1582 (95)502 (95)48 (96)1059 (93)553 (95)46 (96)184 (89)268 (94)48 (96)
 Sami6 (0)2 (0)1 (0)2 (0)2 (1)1 (0)1 (2)
 Other Nordic21 (1)5 (1)14 (1)6 (1)1 (2)2 (1)4 (1)
 Other European27 (2)14 (3)23 (2)13 (2)7 (3)6 (2)1 (2)
 Non-European24 (1)8 (2)2 (4)45 (4)10 (2)1 (2)11 (5)5 (2)
Main activity
 Work592 (36)187 (35)17 (36)312 (27)173 (30)14 (29)41 (20)93 (33)12 (29)
 Sick leave290 (18)98 (19)9 (18)266 (23)140 (24)15 (31)60 (29)66 (23)16 (31)
 Retired661 (40)202 (38)20 (40)477 (42)230 (39)16 (33)79 (38)108 (38)16 (33)
 Education35 (2)13 (3)2 (2)34 (3)15 (3)1 (2)5 (2)5 (2)3 (2)
 Home worker26 (2)5 (1)20 (2)5 (1)1 (2)7 (3)3 (1)
 Unemployed13 (1)5 (1)1 (1)13 (1)8 (1)1 (2)7 (3)5 (2)1 (2)
 Other43 (3)20 (4)1 (1)19 (2)14 (2)9 (4)4 (1)1 (2)
Marital status
 Married913 (55)285 (54)31 (62)619 (55)324 (56)28 (58)102 (49)142 (50)25 (50)
 Cohabitant256 (16)87 (16)5 (10)145 (13)82 (14)7 (15)28 (14)45 (16)8 (16)
 Neither married nor cohabitant482 (29)157 (30)14 (28)371 (33)174 (30)13 (27)77 (37)97 (34)17 (34)
Self-perceived health status
 Excellent260 (16)70 (13)4 (8)30 (3)25 (4)2 (4)10 (5)7 (3)1 (2)
 Very good472 (29)142 (27)16 (33)119 (11)60 (10)5 (10)17 (8)38 (14)7 (14)
 Good517 (31)176 (34)15 (31)355 (31)165 (29)13 (27)50 (24)60 (21)6 (12)
 Fair314 (19)104 (20)9 (19)401 (35)180 (31)16 (33)64 (31)62 (22)10 (20)
 Poor81 (5)31 (6)4 (8)229 (20)146 (25)12 (25)66 (32)113 (40)26 (52)
  • Except where stated otherwise, data are n (%) values.