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Helen Yeo Senior Public Health Intelligence Analyst, NHS North Somerset

The evaluation that never was – a qualitative study of an intervention to improve childhood immunisation uptake rates’.  . Helen Yeo Senior Public Health Intelligence Analyst, NHS North Somerset. Background.

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Helen Yeo Senior Public Health Intelligence Analyst, NHS North Somerset

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  1. The evaluation that never was – a qualitative study of an intervention to improve childhood immunisation uptake rates’.   Helen Yeo Senior Public Health Intelligence Analyst, NHS North Somerset

  2. Background In study area, over 95% of children received the immunisations due by their first birthday. Failing to meet national targets for those due by 2nd and 5th birthday Public Health Support workers have been tasked with contacting the parents of unimmunised children to offer support and advice to encourage the parent to immunise their child.

  3. Focus of the evaluation The aims of this evaluation are to : • Identify the contexts and mechanism in which the intervention of the Public Health Support Workers affects the parents’ choice on whether to immunise their child • Identify any changes that can be made to intervention to improve its usefulness to parents.

  4. Research Design Sample – those parents who: • Decided not to immunise their child • Immunised their child • Decided to immunise their child but failed to keep the appointment Semi structured interview Conducted over the phone Estimated to last around 20 minutes

  5. Were the other children immunised Did they have any other children What support did they received from the support workers? Was there any information/support they wanted that the support workers didn’t provide ? Why weren't the children immunised? Did the support they receive help them to change their mind about immunising their child?

  6. Recruitment Process Parents will be contacted by letter and asked whether they would like to take part in the study Included within the letter will be: • Short information booklet • Return a slip agreeing to take part. • Reimbursement of participants time

  7. What happened next? • Alas, nothing • Failed to recruit any participants

  8. What went wrong? • Far more records were inaccurate than previously thought • Scope of intervention changed • One of two support workers left • Delay in fieldwork

  9. Findings • Only 16% of records indicating that a child had missed their immunisation being accurate. • Telephone (the primary method used by the support workers) was the most effective method of reminding people (Jacobson and Szilgyp, 2009). • If undertaken in ‘real’ world would have re scoped the evaluation and focused on why the records of children were so inaccurate.

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