Approach: cognitive
Aim: to investigate the use of track cap to measure the adherence of oral asthma medication.
Method: Objective, Track-cap and electronic measures
Participants: 57 asthmatic patients-47 completed the study-beginning 12 weeks of asthma medication
Procedure: Used on electronic device (track cap) on the medicine bottle which recorded the date and time of each use of the bottle. Compliance was defined as the number of Track cap events per number of prescribed tablets and its difference between number of tablets dispensed and number returned per number prescribed. The patients were told that adherence rates were being measured but not told about the details of track cap. It took place over 12 weeks. The medication was supposed to be taken twice a day 8 hours apart.
Results: Over a 12 week period, compliance was relatively high (median 71 percent) and if the measure was a comparison of track cap usages with the number of tablets then adherence was even higher (89 percent)
Discussion: These results show that compliance with aid adherence to a treatment of an oral, twice-daily, maintenance asthma medication is high
Evaluation:
sample:
Advantage (A): all had asthma which matched the criteria
Disadvantage(D): 10 participants didn't complete the study, 47 if a small sample size
Ethnics
A: consent was given confidentiality- no names given in study
D: The participants were not told about the details of Track Cap
Validity:
A: Good face validity compared track cap with the number of tablets- all objective data no bias
D: Temporal validity-13 years ago and it doesn't measure if they actually took them
Reliability:
A: objective measurement
D: lower control- can't see if people were actually taking the tablets
Usefulness:
A: Practical applications as it gives reasons why people don't take the tablets
D: Doesn't suggest ways to improve adherence and was low validity as it doesn't measure if they had actually taken them x
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