Evaluation of factors related to glycaemic control among South Korean patients with type 2 diabetes.
Won-Hee Choi, Yeong-Mi Seo, Yeongmi Ha
PMID 29205693WHAT IT FOUND
In 171 adults with type 2 diabetes, 55% had poor glycaemic control.
Medication adherence was the only factor linked to good control after considering other factors; distress about the regimen was linked but not by itself.
Key findings
01Of the 171 participants analysed, 94 (55%) had poor glycaemic control and 77 (45%) had good control.
02Only medication adherence was independently associated with good glycaemic control, with an odds ratio of 13.632 (95% CI, 5.842-31.81).
03Higher regimen-related distress was associated with poor glycaemic control in univariate analysis (t=-2.30, P=.023), but it was not independently associated after adjustment (P=.118).
STILL TO COME
How it was doneWhat they foundWhat it means for RNs
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What it does not show
The study was done at one hospital and used convenience sampling, so it may not represent all adults with type 2 diabetes. The sample included 117 men and 54 women, so findings may not apply equally to women. Self-care behaviours were reported by patients for the previous 7 days, so actual adherence may differ. The design was cross-sectional, so it cannot show that medication adherence or distress caused the HbA1c result. Twenty-seven potential participants were excluded for missing HbA1c data or incomplete questionnaires.
The easy way to misread this
Do not conclude that medication adherence causes better glycaemic control. This was a cross-sectional survey of 171 adults, and the odds ratio of 13.632 is an association measured at one time, not proof that improving adherence lowers HbA1c.