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Table 5 Percentage of the effect of low and intermediate level adult occupation (compared with high occupational level) taken into account by sub-tests of the Groningen Intelligence Test a

From: To what extent does IQ 'explain' socio-economic variations in function?

 

% taken into account by:

 

Doing Sums

Vocabulary

Mental Rotation

Analogies

Fluency

Physical functioning

     

   High occupational level

(reference)

(reference)

(reference)

(reference)

(reference)

   Intermediate level

49 %

>100 %

22 %

100 %

34 %

   Low occupational level

44 %

64 %

07 %

34 %

14 %

Affective functioning

     

   High occupational level

(reference)

(reference)

(reference)

(reference)

(reference)

   Intermediate level

09 %

59 %

34 %

66 %

00 %

   Low occupational level

15 %

37 %

12 %

28 %

00 %

Cognitive functioning

     

   High occupational level

(reference)

(reference)

(reference)

(reference)

(reference)

   Intermediate level

21 %

45 %

05 %

30 %

24 %

   Low occupational level

23 %

37 %

02 %

16 %

18 %

  1. a The percentage is the percentage decline of the B-coefficients of the effect of adult occupational level in the model with the particular intelligence sub-test included compared with the model without that sub-test (i.e. model 2 in Table 3).