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1960 (aged 14 years)

This was a sub study conducted by Gallup. The LHA do not hold the data for this study.

Responding Population

All mothers whose first born child was the study member and who lived in the London area.

Response rate

An estimated 784 mothers were asked for an interview; 29 refused and 6 interviews were not carried out because of family problems.

Data collection

Gallup Poll interviewers visited mothers at home to ask about marriage, pregnancies and contraception and family size intentions since the birth of the cohort child.

Training for data collection

Not known


  • Family Size
  • Contraception
  • Religion