Unfortunately, there is an error in the variables p524437, p524434, p524436 in datafile pParent corresponding to limitations, developmental or behavioral disorders . Due to an error in the original data files these variables contain other information than intendend:
p524436 contains information on autism and autism spectrum disorders,
p524434 contains information on attention deficit with or without hyperactivity, and
p524437 contains information on chronic illnesses such as asthma and neurodermatitis.