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We should really keep in touch: predictors of the ability to maintain contact with contraception clinical trial participants over 12 months.

ABSTRACT: This study assesses the ability to maintain contact with participants enrolled in an emergency contraception (EC) trial with 12 months of follow-up based on the modes of contact they provided at enrollment.Data came from a clinical trial offering women the copper intrauterine device or oral levonorgestrel for EC. A modified Poisson regression was used to assess predictors associated with the ability to contact study participants 12 months after enrollment.Data were available for 542 participants; 443 (82%) could be contacted at 12 months. Contact at 12 months was greatest for those whose preferred the method of contact was text messaging, e-mail or any (62/68; 91% contacted) and worst for the 18 who had a landline phone (only 7 contacted; 39%). After controlling for age, having an e-mail address, text messaging, language preference, type of EC chosen and insurance, preferred contact other than phone increased the likelihood of follow-up by 10% [risk ratio (RR) 1.1 95% confidence interval (CI) 1.0-1.2], while having a landline reduced a woman's likelihood of being contacted at 12 months by 50% compared to women with a contract cell (RR 0.5, 95% CI 0.3-1.0).The few women with a landline for contact had poor follow-up at 1 year, while women who preferred e-mail or text had the highest rate of follow-up.Understanding how best to reduce loss to follow-up is an essential component of conducting a contraceptive clinical trial. Improved participant retention maximizes internal validity and allows for important clinical outcomes, such as pregnancy, to be assessed.

SUBMITTER: Torres LN

PROVIDER: S-EPMC4252778 | biostudies-literature | 2014 Dec

REPOSITORIES: biostudies-literature

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We should really keep in touch: predictors of the ability to maintain contact with contraception clinical trial participants over 12 months.

Torres Leah N LN Turok David K DK Sanders Jessica N JN Jacobson Janet C JC Dermish Amna I AI Ward Katherine K

Contraception 20140801 6

<h4>Objectives</h4>This study assesses the ability to maintain contact with participants enrolled in an emergency contraception (EC) trial with 12 months of follow-up based on the modes of contact they provided at enrollment.<h4>Study design</h4>Data came from a clinical trial offering women the copper intrauterine device or oral levonorgestrel for EC. A modified Poisson regression was used to assess predictors associated with the ability to contact study participants 12 months after enrollment. ...[more]

PMID: 25242443

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Project description:BackgroundWe do not yet know whether or the extent to which multimodal therapy changes the health behaviors and health service use of chronic headache patients in the long term. Associations are expected between pain symptoms and pain management abilities for patients who are categorized as successfully treated and those who remain unchanged.MethodsRoutine longitudinal data of an enrolment period of five years from 101 headache patients treated with a two-week, full-day, semi-inpatient multimodal pain therapy at the Interdisciplinary Pain Center of the University Clinic Erlangen were available when therapy began and 12 months after treatment. To investigate long-term changes in health behavior and health service use as well as their associations with the outcome "reduction in pain days," we used descriptive and inferential statistics (i.e., binary logistic regression).ResultsPatients who underwent interdisciplinary treatment showed statistically significant changes in their health behavior in five areas. Twelve months after treatment, we found a significantly higher frequency of engagement in athletic sports (p < .001) as well as increases in the use of relaxation techniques (p < .001), TENS devices for relaxation purposes (p = .008), psychological coping strategies (p < .001), and mindfulness-based techniques for dealing with pain (p < .001). 52.8% of the sample reported a reduction in the number of pain days 12 months after treatment. Binary logistic regression (χ2 (12) = 21.419; p = .045; R2 = .255) revealed that a reduction in pain days 12 months after treatment was positively associated with regular physical activity in the form of muscle strengthening and stretching (athletic sports) (p = .012).ConclusionChronic headache patients acquired long-term skills from an interdisciplinary treatment concerning the use of relaxation techniques, the use of psychological coping strategies, and physical activity in the form of athletic exercise. Of those, regular athletic exercise was positively associated with a smaller number of pain days in the long term. Thus, a physical activity module should be an element of interdisciplinary treatment for chronic headache patients.

Dataset Information

We should really keep in touch: predictors of the ability to maintain contact with contraception clinical trial participants over 12 months.

Publications

We should really keep in touch: predictors of the ability to maintain contact with contraception clinical trial participants over 12 months.

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