Due to missed responses or the unavailability of mothers and fathers to complete online questionnaires, there was a small amount of missing data. Analyses were conducted with all available data, the number in brackets shows the number of cases with complete data for each variable: mother-report PAS total scores (156), child diagnostic group (164), mother DASS anxiety total score (154), mother CPBQ total score (147), father DASS anxiety total score (143) and father CPBQ total score (138). A significance level of 0.05 was set for all analyses.