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- Title
Determinant Factors of Osteoporosis Patients' Reported Therapeutic Adherence to Calcium and/or Vitamin D Supplements.
- Authors
Sanfelix-Genovés, José; Gil-Guillén, Vicente F.; Orozco-Beltran, Domingo; Giner-Ruiz, Vicente; Pertusa-Martínez, Salvador; Reig-Moya, Begoña; Carratalá, Concepción
- Abstract
Background: Among the various treatments for osteoporosis, calcium and/or vitamin D supplements are frequently included. Objective: The objective of the study was to analyse adherence to calcium and/or vitamin D treatment and to identify related predictors of non-adherence in a sample of postmenopausal women treated for osteoporosis in primary care. Methods: A cross-sectional, observational study was conducted in a sample of postmenopausal women receiving pharmaceutical treatment for osteoporosis with vitamin D and/or calcium. Sociodemographic, general and osteoporosis- related data were collected. Patient's perceptions of the adverse effects of treatment, their knowledge of osteoporosis (Batalla test), their attitude towards treatment (Morisky-Green test) and their self-reported therapeutic adherence (Haynes-Sackett test) were assessed. Results: Of 630 women (mean age±SD 64.1±8.7 years) evaluated, 36.2% (95% CI 32.4, 39.9) had problems with treatment tolerability, 63.5% (95% CI 59.7, 67.3) had good knowledge of osteoporosis, 20.5% (95% CI 17.3, 23.6) had a good attitude to treatment and 50.0% (95% CI 46.1, 53.9) had good self- reported adherence to treatment. Patients in the poor adherence group had higher mean body mass index (p=0.014), more concurrent pathologies (p=0.003), more tolerability problems (p<0.001) and worse attitude to treatment (p<0.001). The multivariate model showed a positive relationship between therapeutic adherence and good attitude to treatment (odds ratio [OR]= 11.7; p<0.001), not having tolerability problems (OR=3.3; p<0.001) and no polymedication (OR=0.80; p=0.017). Conclusions: Only one in two postmenopausal women with osteoporosis who take calcium and/or vitamin D have good self-reported therapeutic adherence to this treatment. Determinant factors of adherence to calcium and/or vitamin D treatment were patient's attitude to the treatment, tolerability problems with the treatment and number of concurrent treatments.
- Subjects
OSTEOPOROSIS in women; DIETARY supplements; POSTMENOPAUSE; CROSS-sectional method; SOCIODEMOGRAPHIC factors; PRIMARY care; THERAPEUTICS
- Publication
Drugs & Aging, 2009, Vol 26, Issue 10, p861
- ISSN
1170-229X
- Publication type
Article
- DOI
10.2165/11317070-000000000-00000