Aims/hypothesisThe aim of this study was to test the effectiveness of a structured strength and balance training intervention in improving health-related quality of life (HRQoL) and functional status in individuals with diabetic peripheral neuropathy (DPN).MethodsThe study was a single-blind parallel-group randomised controlled trial comparing 2 months of once-weekly home-based strength and balance training against standard medical therapy. Participants were patients with physician-diagnosed type 2 diabetes and neuropathy recruited from five public sector institutions in Singapore between July 2014 and October 2017. Participants were block-randomised to intervention or control arms. Outcomes were assessed at baseline, 2 months and 6 months by a trained assessor blinded to group assignment. Primary outcomes were change in physical component summary (PCS) score of SF-36v2 (a 36-item generic HRQoL instrument that has been validated for use in Singapore) and EQ-5D-5L index score (derived from a five-item generic HRQoL instrument [EQ-5D-5L]) over 6 months. Secondary outcomes were change in functional status (timed up-and-go [TUG], five times sit-to-stand [FTSTS], functional reach, static balance, ankle muscle strength and knee range of motion) and balance confidence over 6 months. Mean differences in scores between groups were compared using mixed models.ResultsOf the 143 participants randomised (intervention, n = 70; control, n = 73), 67 participants were included in each arm for the final intention-to-treat analysis. The two groups were similar, except in terms of sex. There were no significant differences between groups on the primary outcomes of PCS score (mean difference [MD] 1.56 [95% CI −1.75, 4.87]; p = 0.355) and EQ-5D-5L index score (MD 0.02 [95% CI −0.01, 0.06]; p = 0.175). There were significant improvements in TUG test performance (MD −1.14 [95% CI −2.18, −0.1] s; p = 0.032), FTSTS test performance (MD −1.31 [95% CI −2.12, −0.51] s; p = 0.001), ankle muscle strength (MD 4.18 [95% CI 0.4, 7.92] N; p = 0.031), knee range of motion (MD 6.82 [95% CI 2.87, 10.78]°; p = 0.001) and balance confidence score (MD 6.17 [95% CI 1.89, 10.44]; p = 0.005). No adverse events due to study participation or study intervention were reported.Conclusions/interpretationShort-term structured strength and balance training did not influence HRQoL but produced sustained improvements in functional status and balance confidence at 6 months. More intensive interventions may be needed to influence HRQoL in these individuals. However, this intervention may be a useful treatment option for individuals with DPN to reduce the risk of falls and injuries.Trial registrationClinicalTrials.gov NCT02115932FundingThis work was supported by the National Medical Research Council, Singapore.Electronic supplementary materialThe online version of this article (10.1007/s00125-019-04979-7) contains peer-reviewed but unedited supplementary material, which is available to authorised users.
AimsTo examine differences in health-related quality of life (HRQoL) between patients with and without diabetic peripheral neuropathy (DPN), and whether these differences can be explained by functional deficits.MethodsThis was a cross-sectional study of 160 patients with type 2 diabetes mellitus, 80 with DPN and 80 without. Assessments included HRQoL (health utility score derived from EQ-5D-5L), functional status measurements [muscle strength, timed up and go (TUG), five times sit-to-stand (FTSTS), functional reach, body sway velocity] and self-reported balance confidence [Activities-specific Balance Confidence (ABC) scale].ResultsMean utility scores were 0.67 ± 0.14 and 0.77 ± 0.16 in patients with and without DPN, respectively (p < 0.001). Patients with DPN had lower great toe extensor strength (6.4 ± 1.8 vs 7.6 ± 2.8 lbs, p = 0.001), greater body sway velocity (2.40 ± 1.31 vs 1.90 ± 0.52 mm/s, p = 0.002), slower TUG (12.1 ± 4.6 vs 10.1 ± 2.3 s, p < 0.001) and FTSTS (15.8 ± 5.8 vs 13.9 ± 5.4 s, p = 0.03) scores, and lower ABC score (73.4 ± 21.3 vs 82.6 ± 16.9, p = 0.003), compared to those without DPN. On stepwise multiple regression, DPN status, FTSTS, body sway velocity, BMI, diabetes duration, pain, and gender explained 38% of HRQoL variance. Addition of ABC score into the model explained 45% of variance. Results from structural equation modelling showed that DPN had direct effects on HRQoL and indirect effects through FTSTS, body sway velocity, and ABC score, with χ 2 = 8.075 (p = 0.044), root mean square error of approximation = 0.103 (lower bound 0.015, upper bound 0.191), Comparative Fit Index = 0.966, Tucker–Lewis Index = 0.887, and Standardized Root Mean Square Residual = 0.053.ConclusionsPatients with DPN have worse HRQoL compared to patients without DPN, partly mediated by functional status parameters. Effective interventions targeting functional status may be beneficial in improving HRQoL in these patients. Electronic supplementary materialThe online version of this article (10.1007/s00592-017-1077-8) contains supplementary material, which is available to authorized users.
This randomized controlled trial examined the effect of a diabetes self-efficacy enhancing program (DSEEP) on older adults with type 2 diabetes. The 8-week DSEEP consisted of a guidebook on diabetes self-care, a 1-day workshop, and fortnightly follow-up telephone calls. In total, 113 participants (56 in intervention group and 57 in control group) completed the study. Data were collected at baseline and at 8 weeks from the baseline. Outcome measures included self-efficacy, diabetes self-care activities, health-related quality of life, glycated hemoglobin (HbA1c) and unplanned health care service usage. Compared with participants in the control group, those who received DSEEP had significantly higher increase in self-efficacy and diabetes self-care activities, lower HbA1c, and lesser unplanned health service usage. However, there was no significant difference in health-related quality of life between the two groups. The DSEEP increased self-efficacy, which successfully enhanced self-care activities and reduced HbA1c.
Introduction:Healthcare workers, especially primary healthcare workers, are at risk of contracting influenza from patients at their workplace. The uptake of influenza immunisation among healthcare workers has been inadequate in spite of this risk and the recommendation to receive annual influenza vaccination. This study aims to assess the barriers as well as the motivators of influenza immunisation among staff from an organisation of primary healthcare polyclinics in Singapore. Methods:Focus group interviews were conducted on healthcare workers from different occupation categories within the organisation and results were analysed.Results: Factors identified as barriers to influenza immunisation were: misconceptions regarding influenza immunisation, fear of experiencing pain or reaction from the vaccination, influence from other staff, uncertainty over the efficacy of influenza vaccination and perceived immunity against influenza virus. Motivators to immunisation were: the influence of other staff, direction from senior management, incentives for vaccination, accessibility and convenience in receiving the immunisation, reduction in risk of transmitting influenza to others and awareness and knowledge of influenza vaccination. Conclusion:Interventions to promote influenza immunisation based on these identified factors may help increase the immunisation uptake among healthcare workers.
Objective: Individuals with diabetic peripheral neuropathy (DPN) have functional deficits that increase their risk of falling. However, psychological aspects such as loss of confidence in undertaking activities could also contribute to this risk. We examined correlations between balance confidence and fall risk among individuals with DPN. Methods: This was a cross-sectional study of 146 individuals with DPN. Elevated fall risk was determined by timed up-and-go test with standard cutoff time of 13.5 seconds, and balance confidence was measured by 16-item Activities Specific Balance Confidence scale. Functional parameters assessed included functional reach, body sway velocity during quiet standing and muscle strength at ankle and toe. Results: Twenty percent of the DPN patients were at increased risk of falls. Every unit increase in balance confidence was associated with 9% (95% confidence interval: 0.88, 0.95; p<0.001) reduced odds of falling, after adjusting for socio-demographic, health and functional characteristics. No other functional parameters had significant associations with fall risk in adjusted analyses. Conclusions: Psychological factors like balance confidence appear to be more important for fall risk among DPN patients, compared to objective functional performance. Interventions targeting balance confidence may be beneficial in reducing the risk of falls in this population.
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