Data concerning children's growth, health and development have been collected from chlidren's welfare clinics at about one year of age.
Target population: children at the age of 1 year: N = 11 870 (100%)
Data collected: N = 10 821 (91.2%)
Developmental data from children were obtained during the children's visits to the welfare centres and were supplemented with the information obtained in a special examination performed by the public health nurses at the age of one for research purposes. In 95% of the cases information was collected by the age of at least 11.5 months. This data has been supplemented during the years 2005-2011.
Last updated: 13.7.2020