The team used data from Understanding Society, the UK Household Longitudinal Study (UKHLS), which followed 2,281 mothers and 1,687 fathers for three or five years after their baby was born.
Ithimba lasebenzisa imininingo ye-Understanding Society, i-UK Household Longitudinal Study (i-UKHLS), eyalandela omama abayizi-2,281 nobaba abayi-1,687 iminyaka emithathu noma emihlanu emuva kokuzalwa kwengane yabo.