Skip to main content

Table 1 Overview of implementation fidelity measures and data sources of the X:IT study by program components: smoke-free school grounds, curriculum, and parental involvement

From: High impact of implementation on school-based smoking prevention: the X:IT study—a cluster-randomized smoking prevention trial

Fidelity measures Adherence Dose Quality of delivery Participant responsiveness
Intervention component
Smoke-free school grounds
 Definition Rules for smoking at school Exposure to smoking at school Enforcement Attitudes to smoking rules
 Measures (response categories) Are pupils allowed to smoke during school hours? (Yes + yes outside school grounds vs. no)
Are teachers allowed to smoke during school hours? (Yes vs. yes if invisible to pupils vs. no)
How often do you see pupils smoke different places at school? (Daily + sometimes vs. never)
How often do you see teachers smoke different places at school? (Daily + sometimes vs. never)
How often do teachers control pupil smoking inside the school, outside on school grounds, and outside the school grounds? (Daily + weekly + monthly vs. less + never) State your opinion;
Pupils/teachers should be allowed to smoke during school hours? (Totally agree + agree vs. neither vs. disagree + totally disagree)
 Data source School coordinator questionnaire Pupil questionnaire School coordinator questionnaires Pupil questionnaires
Smoke-free curriculum
 Definition Eight mandatory lessons on smoking related issues delivered Number of lessons on smoking related issues received Quality assessment of “Up in Smoke” (curriculum material) Attitudes to teaching about smoking related issues
 Measures (response categories) For each school class, how many of these lessons did the class have? (Mandatory eight lessons + more vs. less + none) How many hours of teaching did you have? (None + 1–3 h + 4–6 h vs. 7–9 h + 10 h or more) How well did the ‘Up in Smoke’-material work? (Very well + well vs. parts of it not so well + not well + not well at all vs. did not teach/use the material) How well did you like the teaching?
(Very much + okay vs. did not like + did not like at all vs. no teaching)
 Data source School coordinator questionnaire Pupil questionnaire School coordinator questionnaire Pupil questionnaire
Parental involvement
 Definition a) Smoke-free contracts
b) Smoke-free dialogues
c) X:IT presented at a parents meeting
  Parental involvement in
a) The contract and
b) The smoke-free dialogue
 
 Measures (response categories) a) Smoke-free contract (Fulfilled and signed vs. not fulfilled and signed)
b) Did you have a smoke-free dialogue with your parents? (Yes vs. no + do not see/have parents)
c) For each school class, was X:IT presented at a parents’ meeting? (Yes vs. no)
  a) Were your parents positive towards the smoke-free contracts? (Yes + yes partly vs. no + do not know)
b) Did your parents ever:
- State their opinion on smoking?
- Listen to your opinion?
- Ask if you have tried smoking?
- Encourage you not to smoke?
- Ask if you have been offered cigarettes?
- Or encourage you to talk about smoking if needed? (Yes highly + yes vs. no)
 
 Data source Copy of contract, pupil and school coordinator questionnaires   Pupil questionnaire