==== 1952 (aged 6 years) ====
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=== Responding Population ===

All eligible study members were contacted.

|Provided information         |4,603|
|Cumulative total of deaths   |232  |
|Cumulative permanent refusals|1    |
|Temporarily living abroad    |39   |
|Cumulative emigrated         |232  |
|Failure to contact           |255  |
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=== Data collection ===

School nurses and health visitors interviewed mothers at home and school doctors undertook a medical examination of the child. 

Maternal reports of hospital admissions were checked with hospital records
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=== Training for data collection ===

Instructions are given at the head of each form.
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=== Contents ===

=== Mother ===

  * Accidents
  * Infectious diseases
  * Hospital admissions
  * Other conditions
  * Bladder and Bowel training
  * Habits
  * Sleep and play
  * The dwelling
  * The household
  * The mother’s work
  * Subsequent pregnancies
  * Separation from mother
  * Education of father and mother
  * Occupation of present husband
  * School nurses comments
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=== School Doctor ===

  * Medical History
  * Examination

More detailed information on the doctor-collected topics collected is available [[school-doctor|here]]\\
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=== Questionnaires ===

  * {{ questionnaires : 1952-Follow-up3-AN3.pdf|Form AN3 }} - Face to face interview of mother by health visitor
  * {{ questionnaires : 1952_schoolDr_d1.pdf|Form D1 }}  - Examination by school doctor