Table 2

OR for participation associated with demographic and socioeconomic variables, Brain Tumour case-control study 2000–2002, Sweden

Glioma cases (n=494)Meningioma cases (n=321)Controls (n=955)
Participants/non-participants no. (participation %)OR (95% CI)Participants/non-participants no. (participation %)OR (95% CI)Participants/non-participants no. (participation %)OR (95% CI)
Sex
 Women146/51 (74)Ref.196/37 (84)Ref.357/148 (71)Ref.
 Men220/77 (74)1.0 (0.7 to 1.5)78/10 (89)1.5 (0.7 to 3.1)316/134 (70)1.0 (0.7 to 1.3)
Age at inclusion (years)
 20–2925/6 (81)Ref.6/2 (75)Ref.49/22 (69)Ref.
 30–3947/14 (77)0.8 (0.3 to 2.4)16/5 (76)1.1 (0.2 to 7.1)82/45 (65)0.8 (0.4 to 1.5)
 40–4970/16 (81)1.0 (0.4 to 3.0)50/6 (89)2.8 (0.5 to 17.0)126/47 (73)1.2 (0.7 to 2.2)
 50–59117/44 (73)0.6 (0.2 to 1.7)116/14 (89)2.8 (0.5 to 15.0)223/87 (72)1.2 (0.7 to 2.0)
 60–107/47 (69)0.5 (0.2 to 1.4)86/20 (81)1.4 (0.3 to 7.6)193/81 (70)1.1 (0.6 to 1.9)
 Unknown0/1
Marital status
 Single78/29 (73)Ref.43/6 (88)Ref.140/79 (64)Ref.
 Married225/73 (76)1.1 (0.7 to 1.9)162/23 (88)1.0 (0.4 to 2.6)396/134 (75)1.7 (1.2 to 2.3)
 Divorced50/20 (71)0.9 (0.5 to 1.8)57/13 (81)0.6 (0.2 to 1.7)110/52 (68)1.2 (0.8 to 1.8)
 Widowed9/2 (82)1.7 (0.3 to 8.2)10/3 (77)0.5 (0.1 to 2.2)20/11 (65)1.0 (0.5 to 2.3)
 Unknown4/42/27/6
Education
 Compulsory79/35 (69)Ref.57/13 (81)Ref.132/83 (61)Ref.
 Secondary school
 ≤2 years97/36 (73)1.2 (0.7 to 2.1)85/15 (85)1.3 (0.6 to 2.9)216/91 (70)1.5 (1.0 to 2.2)
 3 years55/15 (79)1.6 (0.8 to 3.3)39/2 (95)4.4 (1.0 to 20.8)103/43 (71)1.5 (1.0 to 2.4)
 Higher education129/38 (77)1.5 (0.9 to 2.6)91/15 (86)1.4 (0.6 to 3.1)212/52 (80)2.6 (1.7 to 3.9)
 Unknown6/42/210/13
Working status
 Not working97/50 (66)Ref.83/25 (77)Ref.188/126 (60)Ref.
 Working265/74 (78)1.8 (1.2 to 2.8)189/20 (90)2.8 (1.5 to 5.4)478/150 (76)2.1 (1.6 to 2.9)
 Unknown4/42/27/6
Socioeconomic status*
 Manual workers104/42 (71)Ref.84/14 (86)Ref.185/86 (68)Ref.
 Non-manual employees155/52 (75)1.2 (0.7 to 1.9)132/14 (90)1.6 (0.7 to 3.5)310/80 (79)1.8 (1.3 to 2.6)
 Employees – not classified15/4 (79)1.5 (0.5 to 4.8)9/4 (69)0.4 (0.1 to 1.4)40/10 (80)1.9 (0.9 to 3.9)
 Self-employed20/4 (83)2.0 (0.7 to 6.2)12/1 (92)2.0 (0.2 to 16.6)18/9 (67)0.9 (0.4 to 2.2)
 Unknown72/2637/14120/97
Income year 2000
 <11000068/43 (61)Ref.60/23 (72)Ref.140/107 (57)Ref.
 110000-15000091/28 (76)2.1 (1.2 to 3.6)77/9 (90)3.3 (1.4 to 7.6)164/88 (65)1.4 (1.0 to 2.0)
 >150000–19000083/22 (79)2.4 (1.3 to 4.4)63/5 (93)4.8 (1.7 to 13.5)177/40 (82)3.4 (2.2 to 5.2)
 >190000120/31 (79)2.4 (1.4 to 4.2)72/8 (90)3.4 (1.4 to 8.3)185/41 (82)3.4 (2.3 to 5.3)
 Unknown4/42/27/6
  • * Based on occupation and type of employment in the census 1990.

  • Swedish kronor (SEK), individual disposable income.