Table 1.

Number of participants answering KuBiCo questionnaires from June 2012 to April 2016

General data	Total number of participants (per cent of total number of parturients at Kuopio University Hospital)	3532 (37.3%)
	Number of children included in the follow-up study	3187
	Women participating in KuBiCo for the second time	230
Number of women answering questionnaires of	Ethics	2635
	Environmental stress factors – first trimester/last trimester	2464/2134
	Nutrition up to gestation week 13/from gestation week 28 to delivery	1625/3240
	Mental health	2658
	When the child was 12 months old	1955
	When the child was 24 months old	1477
	Nutrition when the child was 24 months old	1402
	When the child was 36 months old	480
Number of women collecting samples	Women who completed the collection of house dust	630