Overall and Differential Attrition in Mindfulness-Based Interventions: A Meta-Analysis

Esketamine combined with a mindfulness-based intervention for individuals with alcohol problems

BACKGROUND

Alcohol use disorder (AUD) is a major public health issue, posing harmful consequences for individuals and society. Recent advances in addiction research have highlighted the therapeutic potential of ketamine-assisted therapy for AUD. However, the exact mechanisms underlying its effectiveness remain unknown.

AIMS

This double-blind, pilot study aimed to investigate esketamine combined with mindfulness-based intervention (MBI) to examine whether esketamine enhances engagement in MBI for individuals with alcohol misuse problems and whether enhanced engagement has any impact on alcohol-related outcomes.

METHODS

In all, 28 individuals with alcohol problems were randomly assigned to receive sublingual esketamine hydrochloride (AWKN002: 115.1 mg) or vitamin C (placebo) in an oral thin film and took part in 2 weeks of daily MBI. Participants were assessed on various self-report measures, including mindfulness, engagement in MBI (physical and psychological), alcohol cravings and consumption.

RESULTS

Esketamine enhanced psychological engagement with a daily MBI, compared to placebo, and led to transient decreases in alcohol cravings. Esketamine also resulted in significantly greater mystical experiences and dissociative states compared to placebo.

CONCLUSIONS

The findings suggest that esketamine may improve treatment outcomes when combined with mindfulness-based therapies through its ability to increase engagement with meditative practice.

A multisite feasibility randomized clinical trial of mindfulness-based resilience training for aggression, stress, and health in law enforcement officers

BACKGROUND

Law enforcement officers (LEOs) are exposed to significant stressors that can impact their mental health, increasing risk of posttraumatic stress disorder, burnout, at-risk alcohol use, depression, and suicidality. Compromised LEO health can subsequently lead to aggression and excessive use of force. Mindfulness training is a promising approach for high-stress populations and has been shown to be effective in increasing resilience and improving mental health issues common among LEOs.

METHODS

This multi-site, randomized, single-blind clinical feasibility trial was intended to establish optimal protocols and procedures for a future full-scale, multi-site trial assessing effects of mindfulness-based resilience training (MBRT) versus an attention control (stress management education [SME]) and a no-intervention control, on physiological, attentional, and psychological indices of stress and mental health. The current study was designed to enhance efficiency of recruitment, engagement and retention; optimize assessment, intervention training and outcome measures; and ensure fidelity to intervention protocols. Responsiveness to change over time was examined to identify the most responsive potential proximate and longer-term assessments of targeted outcomes.

RESULTS

We observed high feasibility of recruitment and retention, acceptability of MBRT, fidelity to assessment and intervention protocols, and responsiveness to change for a variety of putative physiological and self-report mechanism and outcome measures.

CONCLUSIONS

Results of this multi-site feasibility trial set the stage for a full-scale, multi-site trial testing the efficacy of MBRT on increasing LEO health and resilience, and on decreasing more distal outcomes of aggression and excessive use of force that would have significant downstream benefits for communities they serve.

TRIAL REGISTRATION

ClinicalTrials.gov, NCT03784846 . Registered on December 24th, 2018.

Distress tolerance as a mediator of mindfulness-based intervention for anxiety and depression: Evidence from two randomized controlled trials

Objective

We aimed to investigate whether distress tolerance mediated the effects of mindfulness-based intervention (MBI) on anxiety and depression with two randomized controlled studies.

Method

In Study 1, 374 participants with at least moderate emotional distress were randomized to an intervention group (N = 174) and a waitlist control group (N = 173). Mindfulness, distress tolerance, anxiety, and depression were measured at the pre-test, week 3, week 5, and post-test. In Study 2, 170 participants with emotional disorders were randomized to an intervention group (N = 86) and a control group (N = 84). The same variables were assessed at pre-test, weekly during the intervention, and post-test.

Results

In both studies, linear mixed effect models showed that compared to the control group, mindfulness, distress tolerance, anxiety, and depression significantly improved in the intervention group. Parallel process latent growth curve models showed that changes in distress tolerance mediated the effects of the MBI on changes in anxiety and depression. Random-intercept cross-lagged panel models found that distress tolerance temporally preceded depression, but not anxiety.

Conclusions

Distress tolerance is a potential mechanism underlying MBIs. Interventions targeting distress tolerance could be embedded in MBIs to enhance the intervention effects for emotional distress.

Longitudinal associations between psychedelic use and meditation practices in the United States and the United Kingdom

BACKGROUND

Previous research has proposed that there may be potential synergies between psychedelic and meditation interventions, but there are still knowledge gaps that merit further investigation.

METHODS

Using a longitudinal observational research design with samples representative of the US and UK adult population with regard to sex, age, and ethnicity (N = 9732), we investigated potential associations between self-reported psychedelic use and meditation practice.

RESULTS

The follow-up survey was completed by 7667 respondents (79% retention rate), with 100 respondents reporting psychedelic use during the 2-month study period (1.3% of follow-up respondents). In covariate-adjusted regression models, psychedelic use during the study period was associated with greater increases in the number of days of mindfulness meditation practice in the past week (B = 0.40, p = 0.004). Among those who reported psychedelic use during the study period, covariate-adjusted regression models revealed that the subjective experience of insight during respondents' most intense psychedelic experience in that period was also associated with greater increases in the number of days of mindfulness and loving-kindness or compassion meditation practice in the past week (B = 0.42, p = 0.021; B = 0.38, p = 0.017). Notably, more days of loving-kindness or compassion meditation practice in the past week at baseline was associated with less severe subjective feelings of death or dying during respondents' most intense psychedelic experience in the study period (B = -0.29, p = 0.037).

CONCLUSIONS

Psychedelic use might lead to greater engagement with meditation practices such as mindfulness meditation, while meditation practices such as loving-kindness or compassion medication might buffer against certain challenging experiences associated with psychedelic use.

The effect of a mindfulness intervention (MI) on sleep disturbance (SD) among nurses

Sleep disturbance (SD) makes it difficult for nurses in intensive care units (ICUs) to perform activities that require focused and continual concentration, which raises the risk of medical errors, health issues, loss of sleep, and patient care mistakes. The mindfulness intervention (MI) was created to give participants the capacity to approach their own emotions with non-judgmental awareness and to become more conscious of their thoughts and feelings, and it reduced psychological symptoms. This study examined the effect of MI on SD among nurses. A randomized control trail (RCT) was conducted and recruited 100 nurses from intensive care and medical-surgical units from three hospitals located at the northern and middle regions of Jordan. Bivariate analysis including independent T-test and multiple linear regressions were used to study the differences between the interventional group (MI) and the comparison group (watching mindfulness videos) in terms of the impact on the SD. Nurses reported significant and high levels of SD. MI significantly reduced the level of SD and improved sleep quality among nurses. MI should be integrated into nursing competences to combat the negative impacts of poor sleep quality on nurses and organizational-sensitive outcomes.

Effects of mindfulness and movement on affect and vitality

BACKGROUND

Increasing levels of distress and barriers to healthcare have coincided with increasing use of Complementary and Alternative Medicine (CAM). While mindfulness and movement interventions may improve wellbeing, little research has compared the effectiveness of these two approaches.

OBJECTIVE

This single intervention study aimed to (1) explore the effects of two brief, online, self-administered mindfulness and movement interventions on affect and vitality, and (2) establish whether changes in affect and vitality could be predicted by age, gender, general distress, previous CAM experience and enjoyment of the intervention.

METHODS

Participants (n = 62) were randomly allocated to follow a brief online mindfulness or movement intervention. Levels of affect (using PANAS) and subjective vitality (using the Subjective Vitality Scale) were measured pre and post intervention. Demographics, experience with CAM and general distress (using the DASS-21) were collected pre intervention, while level of enjoyment (using the ENJOY scale) was measured post intervention. Open-text responses gathered qualitative data on participant experience.

RESULTS

Participants completing the mindfulness intervention reported increased vitality and decreased positive and negative affect. Those completing the movement intervention reported increased vitality and positive affect and decreased negative affect. Higher DASS-21 levels were predictive of greater reductions in negative affect. Higher levels of enjoyment were predictive of greater increases in positive affect and vitality.

CONCLUSIONS

Differences between mindfulness and movement interventions may indicate that they could have targeted applications. While further research is necessary, these brief, online interventions may provide a sustainable, accessible self-management and wellbeing intervention.

Mindfulness-Based Mobile Apps and Their Impact on Well-Being in Nonclinical Populations: Systematic Review of Randomized Controlled Trials

BACKGROUND

Mindfulness-based mobile apps have become popular tools for enhancing well-being in today's fast-paced world. Their ability to reduce geographical, financial, and social barriers makes them a promising alternative to traditional interventions.

OBJECTIVE

As most available apps lack a theoretical framework, this review aimed to evaluate their effectiveness and assess their quality. We expected to find small sample sizes, high dropout rates, and small effect sizes in the included studies.

METHODS

A systematic literature search was conducted using PsycInfo, PsycNet, PubMed, an institutional search engine (u:search), and Google Scholar. Randomized controlled trials assessing the impact of mobile mindfulness apps on well-being in nonclinical samples were included. Study selection, risk of bias (using the version 2 of the Cochrane risk-of-bias tool for randomized trials), and reporting quality (using selected CONSORT [Consolidated Standards of Reporting Trials] statement criteria) assessments were performed by 2 authors independently and discussed until a consensus was reached.

RESULTS

The 28 included randomized controlled trials differed in well-being measures, apps, and intervention duration (7 to 56 days; median duration 28 days). A wide range of sample sizes (12 to 2282; median 161) and attrition rates (0% to 84.7%; median rate 23.4%) were observed. Most studies (19/28, 68%) reported positive effects on at least one aspect of well-being. The effects were presented using different metrics but were primarily small or small to medium in size. Overall risk of bias was mostly high.

CONCLUSIONS

The wide range of sample sizes, attrition rates, and intervention periods and the variation in well-being measures and mobile apps contributed to the limited comparability of the studies. Although most studies (16/28, 57%) reported small or small to medium effects for at least one well-being outcome, this review demonstrates that the generalizability of the results is limited. Further research is needed to obtain more consistent conclusions regarding the impact of mindfulness-based mobile apps on well-being in nonclinical populations.

Who Sticks with Meditation? Rates and Predictors of Persistence in a Population-based Sample in the USA

Objectives

Despite the well-documented psychological benefits of meditation practice, limited research has examined factors associated with meditation practice persistence. Like other health behaviors (e.g., exercise), non-persistence may undermine the effectiveness of meditation.

Methods

We examined rates and correlates of meditation persistence using a population-based sample (n = 953) in the United States. Persistence was operationalized in two ways: number of lifetime practice sessions (i.e., lifetime persistence) and current practice frequency (i.e., current persistence). Consistent with the National Health Interview Survey, we defined meditation as mindfulness meditation, mantra meditation, and spiritual meditation. We examined factors related to the Reasoned Action Approach (RAA), a theory that has been used to explain adherence to health behaviors.

Results

Almost half of the sample (49.3%) indicated lifetime exposure to meditation and a third (35.0%) indicated practice in the past year. Factors positively associated with persistence (lifetime and/or current) included having spoken with a meditation teacher, higher perceived effectiveness of meditation, higher meditation-positive subjective norms, lower perceived barriers, higher conscientiousness, higher wellbeing growth mindset, and retreat experience. Factors negatively associated with persistence included first exposure through various forms of technology and having a mental health motivation for practice. First exposure through a smartphone app and first exposure through friends and family were not associated with lifetime or current persistence. Findings were unchanged after controlling for demographics and applying a false discovery rate p-value adjustment.

Conclusions

These findings provide insights into factors that may promote persistence with meditation which can guide the delivery of meditation training.

Preregistration

This study was preregistered at the Open Science Framework (https://osf.io/4h86s).