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. Author manuscript; available in PMC: 2013 Oct 1.
Published in final edited form as: Neurotoxicology. 2009 Feb 10;30(5):822–831. doi: 10.1016/j.neuro.2009.01.011

Table 1. Description of 4,779 children, their families and the homes.

Factor Frequency n (%) Trends3
Year Questionnaire 2000 (Baseline) Questionnaire 2005 (Follow up)
Age of the child (y)
 6 - 1557 (32.6)
 7 - 1568 (32.8)
 8 - 1654 (34.6)
Type of building
 Single family house 3871 (81) 4090 (85.6) Increased
 Multi family house 793 (16.6) 546 (11.4) Decreased
Size of the home (m2)
 <75 326 (6.8) 135 (2.8) Decreased
 75-150 3389 (70.9) 3240 (67.8)
 >150 1013 (21.2) 1332 (27.9) Increased
Flooring material in the child's bedroom
 PVC 2360 (51.9) 1858 (40.3) Decreased
 Wood 1565 (34.4) 2155 (46.8) Increased
 Linoleum 364 (8.0) 341 (7.4)
Flooring material in the parent's bedroom
 PVC 2067 (44.8) 1584 (33.6) Decreased
 Wood 1922 (41.7) 2497 (54.4) Increased
 Linoleum 326 (7.1) 285 (6.2)
Condensation on inside of windows in1:
Childs room   No 3197 (66.9) 3305 (69.2)
   1-5 cm 811 (17.0) 923 (19.3)
   > 5 cm 446 (9.3) 363 (7.6) Decreased
Parents room   No 2970 (62.1) 3147 (65.9)
   1-5 cm 941 (19.7) 1032 (21.6)
   > 5 cm 616 (12.9) 419 (8.8) Decreased
Living room   No 3586 (75.0) 3870 (81.0)
   1-5 cm 595 (12.5) 518 (10.8)
   > 5 cm 286 (6.0) 174 (3.6) Decreased
Divorce2
 Yes 324 (6.8) 960 (20.1)
Economical problems3
 No - 4174 (87.3)
 Yes - 537 (11.2)
 No reply - 68 (1.4)
Allergy in family
 No 2167 (45.3) -
 Yes 2563 (53.6) -
Smoking in family
 Any smoker 1044 (21.8) 909 (19.0)
 Smoking mother 673 (14.1) 605 (12.7) Decreased
 Smoking father 497 (10.4) 398 (8.3) Decreased
1)

Condensation on the inside of the windows during heating season.

2)

In 2000 there was no question on divorce but on how many adults that normally lived in the home (1, 2, 3 or more). In 2005 there was a question on if the child lived with both biological parents (Yes vs. No)

3)

Have your family had problems with paying bills during the last 12 months.

4)

Indicated trends during the five year period.