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Articles

Type D personality, medication adherence and peritonitis in continuous ambulatory peritoneal dialysis patients

, , , , , & show all
Pages 541-549 | Received 15 Nov 2018, Accepted 02 Aug 2019, Published online: 21 Aug 2019
 

ABSTRACT

The present study attempted to investigate the association among Type D, medication adherence and peritonitis in continuous ambulatory peritoneal dialysis (CAPD) patients. Type D personality was assessed by the Chinese 14-item Type D Personality Scale (DS14) in CAPD patients. Patients’ medication adherence was assessed by the Medication Adherence Report Scale, retrospectively. Of the 385 CAPD patients who were investigated, 137 (35.6%) patients had a Type D personality. The medication adherence was significantly poorer in the Type Ds compared with that of the non-Type Ds (21.5 ± 2.8 vs. 22.5 ± 2.5 score, p = 0.002). Using multiple linear regression analysis, we found that Type D personality was independently associated with medication adherence (β = 0.56, p < 0.05). Furthermore, the overall peritonitis-free survival rate of non-Type Ds was significantly higher than that of Type Ds (X2 = 4.41, p = 0.025). Using Cox regression, Type D personality (HR 1.67; 95% confidence interval [CI] 1.07–2.59; p = 0.022) and adherence to bag exchange procedure (HR 1.54; 95% CI 1.11–2.14; p = 0.009) predicted the development of the first peritonitis, even after adjustment for confounders. The current study is the first to identify a strong association among Type D, medication adherence and peritonitis in CAPD patients.

Acknowledgments

We would like to thank the patients and the personnel involved in this study.

Disclosure statement

No potential conflict of interest was reported by the authors.

Additional information

Funding

This work was supported by the National Key Technology Research and Development Program of the Ministry of Science and Technology of China [No.2011BAI10B05].

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