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Table 2 Details of data collected and analysed to assess and understand fidelity of intervention delivery

From: Intervention fidelity in a school-based diet and physical activity intervention in the UK: Active for Life Year 5

Method of data collection

Data collected from or by

Number completed

Response rate

Data collection timeframe

Data collected

Data collection format

Phase 1

Teacher training observations

Observing 43 teachers from 29 intervention schools and 2 trainers. (44 teachers were invited to the training but one was unable to attend.)

n = 5

100 % of sessions observed

During training sessions

Details on venue, number of trainers present, number of participants, gender

Pro forma layout

Sessions ran September 2011- January 2012

Delivery and content of training

Free form text

Teacher engagement and understanding

Free form text

Questions or issues raised by teachers

Free form text

Detailed description of activities

Free form text

Reflection on the observation process

Free form text

Teacher training evaluation questionnaire

Teachers

n = 43

100 %

Completed at the end of training session

Whether they felt confident that they had enough knowledge to teach the nutrition and physical activity sessions successfully

5 point scale: strongly agree, agree, don’t know, disagree, strongly disagree

Whether they felt confident to teach the lessons according to the plans

5 point scale as above

Whether they felt they needed more information in order to teach the lessons

5 point scale as above

Whether they were confident at fitting all 16 lessons into the allotted time frame

5 point scale as above

Indicating 3 key messages of AFLY5

Free text

Indicating how useful the day was in terms of preparing for AFLY5

3 points: Very useful, useful in places, not useful

Space for comments if selected ‘not useful’

Phase 2

Lesson observations

Observing 30 lessons being taught in 24 of the 29 schools delivering AFLY5

n = 30

24 out of 30 (80 %) schools had at least one lesson observed

November 2011 to April 2012

Details of lessons including: number of children, gender, teacher identity code

Pro forma layout

Observation of the general behaviour of children

3 point scale: good, acceptable, poor

Observation of the level of interest and enthusiasm displayed by the children

3 point scale: high, indifferent, low

15/16 (94 %) lessons observed at least once

Whether delivery of key outcomes of lesson were met

Yes/no

Whether resources provided were used

Yes/no

Whether homework was handed out

Yes/no

11/16 (69 %) observed twice

More detailed notes including:

  ·layout of room

  ·children’s behaviour and engagement

  ·suitability of content for the ability of the group

  ·aspects of the lesson that worked well/less well

Free form text

Teacher intervention delivery logs

44 teachers in the 29 schools delivering AFLY5

n = 44

100 % for data on total number of lessons delivered

September 2011- July 2012

Teachers involved with delivery of AFLY5

Pro forma table

Their position in the school (e.g. Newly Qualified, Support Staff, Managerial Scale etc.)

39 out of 44 teachers (89 %) provided partial data on all other aspects of log

Whether they attended the AFLY5 training

Yes/no

Information requested per lesson:

  ·Who taught the lesson

  ·Date taught

  ·Number of children present

Pro forma table

Amount of time spent preparing for the lesson

Pro forma table recorded in minutes

Amount of time spent delivering the lesson

Whether any other resources were required.

Yes/no options

 If so, what and how much did they cost

Pro forma table recorded in pounds

Whether there were any difficulties with the lesson

Yes/no

 If so, what

Free form text

Whether any amendments were required

Yes/no

 If so, what

Free form text

What they would have been teaching instead of AFLY5

Free form text

Who would have led this lesson

Free form text

Whether there was more or less preparation for AFLY5 than usual lessons

3 point scale: more, less, same

Whether the homeworks were handed out

Yes/no

How many were completed

Free form text

The quality of homeworks

3 point scale: good, fair, poor

  ·teacher’s understanding of subject area

  ·delivery style of teacher

  ·input from other staff members

  ·if the lesson was taught according to the plan

  ·reflections on the research process

 

Any extra comments on both a per lesson basis, as well as at the end of the log

Free form text

Phase 3

Interviews

20 teachers from 15 of the 29 schools delivering AFLY5

n = 20

20 out of 44 teachers (45 %)

October 2012 to April 2013

Semi structured interview questions on the following topics:

  ·What contributes to a healthy lifestyle both generally and for children

  ·Teaching health promotion in schools

  ·Whether they were involved with any health promotion projects

  ·Whether school-based health promotion education is effective in changing children’s behaviour

 *Their experience of teaching AFLY5

Audio recording/transcript

  Teachers

 

Face to face = 14/20 (70 %)

Mean length of interview = 32 min

Range = 17–57 min

Phone = 6/20 (30 %)

Mean length of interview = 35 min

Range = 28–42 min

  Parents

Parents from the purposive sample of 6 schools delivering AFLY5

n = 14 (one interview had two parents present so counted as two for number of participants but as one when calculating mean/range of interview time)

14 out of 18 (78 %)

October 2012 to April 2013

Semi structured interview questions on the following topics:

  ·What contributes to a healthy lifestyle both generally and for children

  ·Whether they were aware of their children taking part in healthy lifestyles lessons at school

  ·Whether their child had bought home any homeworks or information relating to healthy lifestyles

Audio recording/transcript

Face to face = 7/14 (50 %)

Mean length of interview = 39 min

Range = 28–52 min

Phone = 7/14 (50 %)

Mean length of interview = 40 min

Range = 23–53 min

  1. Copies of all the instruments used in the process evaluation can be found in the AFLY5 process evaluation plan [31]