Table 1

Percentages of complaints, odds ratio (OR) (95% CI) in workers and patients in response to the retranslated version of the German Q 18 (questions 14–18 were added to compare with the Swedish Q 16)

QuestionsExposed
to solvents
ControlsOR (95% CI)Psychoorganic syndrome (%)Lung disease(%)OR (95% CI)
1Do you have a short memory?29211.9 (1.2 to 2.8)842812.0  (3.0  to  48.1)
2Have your relatives told you that you have a short memory?16121.7 (1.0 to 2.9)801621.0 (5.0 to  89.5)
3Do you often have to make notes about what you must remember?40371.5 (1.1 to 2.2)842414.9 (3.6 to  61.4)
4Do you generally find it hard to get the meaning from reading newspapers and books?1081.3 (0.7 to 2.3)52429.9 (3.4 to  260)
5Do you often have problems with concentrating?19151.4 (0.9 to 2.2)881657.7 (9.5 to  349)
6Do you often feel irritated without any particular reason?1262.2 (1.2 to 4.3)601211.0 (2.6 to  46.8)
7Do you often feel depressed without any particular reason?633.2 (1.2 to 8.4)681215.6 (3.6 to  67.8)
8Are you abnormally tired?1272.2 (1.1 to 4.1)72248.1 (2.3 to  28.9)
9Do you have palpitations of the heart even when you don't exert yourself?10111.0 (0.6 to 1.7)44203.0 (0.9 to  10.9)
10Do you sometimes feel an oppression in your chest?29281.3 (0.9 to 1.9)48481.0 (0.3 to  3.1)
11Do you often perspire without any particular reason?13210.7 (0.4 to 1.0)60362.5 (0.8 to  7.9)
12Do you have an headache at least once a week?20112.1 (1.3 to 3.4)68247.6 (2.2 to  27.4)
13Are you less interested in sex than what you think is normal?7110.8 (0.4 to 1.4)52204.2 (1.1 to  15.3)
14 Do you often feel sick? 531.9 (0.7 to 5.2)48810.2 (2.0 to  52.7)
15 Do you have numb feelings in your hands or feet? 14141.2 (0.7 to 2.0)76247.9 (2.1 to  29.6)
16 Is there a weak feeling in your arms or legs? 12121.3 (0.8 to 2.3)76248.9 (2.4 to  33.2)
17 Do your hands tremble? 12121.1 (0.7 to 1.9)44203.8 (1.0 to  13.8)
18 Does alcohol not agree with you? 24231.2 (0.8 to 1.8)72325.0 (1.3 to  19.0)