Table 1

Details of the MCS sample, by wave of study20 22

WaveAge*Years conductedProductive sampleHousehold response by wave (%)Participated in all previous waves
ChildrenFamilies
19 months2001–200219 517†19 244‡89.9
23 years2004–200515 80815 59078.214 898
35 years2006–200715 45915 24679.213 234
47 years200814 04313 85781.111 721
511 years2012–201313 46913 28781.410 448
614 years201511 88411 72676.110 411
  • *Ages are approximate.

  • †Including 699 children recruited at wave 2.

  • ‡Including 692 families recruited at wave 2.

  • MCS, Millennium Cohort Study.