Year 2001-2003 2001-2003 2003-2005 2006-2008 2008-2010
Wave 1 1 2 3 4
Age full term preterm 2 years CA 5 years CA 7 years CA
Anxiety P:HADSM F/P
Depression P:HADSM F/P
Parental stress  P:PSIM F/P P:PSIM F/P
Psychopathology  P:DAWBAC
Psychological wellbeing  P:GHQM F/P
Social/emotional assessment  O:ITSEA  P:SDQ  P:SDQ
CA = Corrected age for prematurity

S – self report
P – parent report
C – child report
T – teacher report
N – welfare nurse
O – observation

XM: Mother
XF/P: Father/partner
XC: Child
XS: Sibling
XG: Grandparent

DAWBA: Development and Well-Being Assessment
GHQ: General Health Questionnaire
HADS: Hospital Anxiety and Depression Scale
ITSEA: Infant-Toddler Social and Emotional Assessment
PSI: Parenting Stress Index
SDQ: Strengths and Difficulties Questionnaire