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  1. Fulltext Evaluation of methylene diphenyl diisocyanate as an indoor air pollutant and biological assessment of methylene dianiline in the polyurethane factories
    Mirmohammadi M, Ibrahim MH, Ahmad A, Kadir MO, Mohammadyan M, Mirashrafi SB
    Indian J Occup Environ Med, 2009 Apr;13(1):38-42.
    PMID: 20165612 DOI: 10.4103/0019-5278.50723
    Today many raw materials used in factories may have a dangerous effect on the physiological system of workers. One of them, which is widely used in the polyurethane factories, is diisocyanates. These compounds are widely used in surface coatings, polyurethane foams, adhesives, resins, elastomers, binders, and sealants. Exposure to diisocyanates causes irritation to the skin, mucous membranes, eyes, and respiratory tract. Methylene dianiline (MDA) is a metabolite of methylene diphenyle diisocyanate (MDI), an excretory material of worker's urine who are exposed to MDI. Around 100 air samples were collected among five factories by the Midget Impinger, which contained DMSO absorbent as a solvent and Tryptamine as a reagent. Samples were analyzed by high-performance liquid chromatography with an EC\UV detector using the NIOSH 5522 method of sampling and analysis. Also, fifty urine samples were collected from workers by using William's biological analysis method. The concentration of MDI in all air samples was more than 88 mug/m(3), showing a high concentration of the pollutant in the workplaces in comparison with the NIOSH standard, and all the worker's urine was contaminated by MDA. The correlation and regression tests were used to obtain statistical model for MDI and MDA that is useful for prediction of diisocyanates pollution situation in the polyurethane factories.
  2. OSNR variation of multiple laser lines in Brillouin-Raman fiber laser
    Zamzuri AK, Mahdi MA, Al-Mansoori MH, Samsuri NM, Ahmad A, Islam MS
    Opt Express, 2009 Sep 14;17(19):16904-10.
    PMID: 19770907 DOI: 10.1364/OE.17.016904
    We report experimental results demonstrating the variation of optical signal-to-noise ratio (OSNR) of laser lines in Brillouin-Raman fiber laser against Raman pump power (RPP) variation. The reduction of OSNR is attributed to the spectral broadening of laser lines depending on the RPP. The spectral broadening is owing to the effect of the interaction between laser lines and turbulent waves (nonlinear interaction between longitudinal cavity modes). In our experiment, the worst OSNR is obtained at 650 mW RPP as a result of maximum spectral broadening when the Brillouin pump wavelength is fixed at 1555 nm. On the other hand, the OSNR improvement is obtained for RPP beyond 650 mW due to the effect of red-shift, the Raman peak gain is shifted away from the laser lines generated around 1555 nm thus reduces the spectral broadening effect.
  3. Brillouin-Erbium fiber laser with enhanced feedback coupling using common Erbium gain section
    Samsuri NM, Zamzuri AK, Al-Mansoori MH, Ahmad A, Mahdi MA
    Opt Express, 2008 Oct 13;16(21):16475-80.
    PMID: 18852754
    We demonstrate an enhanced architecture of Brillouin-Erbium fiber laser utilizing the reverse-S-shaped fiber section as the coupling mechanism. The enhancement is made by locating a common section of Erbium-doped fiber next to the single-mode fiber to amplify the Brillouin pumps and the oscillating Stokes lines. The requirement of having two Erbium gain sections to enhance the multiple Brillouin Stokes lines generation is neglected by the proposed fiber laser structure. The mode competitions arise from the self-lasing cavity modes of the fiber laser are efficiently suppressed by the stronger pre-amplified Brillouin pump power before entering the single mode fiber section. The maximum output power of 20 mW is obtained from the proposed fiber laser with 10 laser lines that equally separated by 0.089 nm spacing.
  4. Optimization of nitrogen and phosphorus limitation for better biodegradable plastic production and organic removal using single fed-batch mixed cultures and renewable resources
    Din MF, Ujang Z, van Loosdrecht MC, Ahmad A, Sairan MF
    Water Sci Technol, 2006;53(6):15-20.
    PMID: 16749434
    The process for the production of biodegradable plastic material (polyhydroxyalkanoates, PHAs) from microbial cells by mixed-bacterial cultivation using readily available waste (renewable resources) is the main consideration nowadays. These observations have shown impressive results typically under high carbon fraction, COD/N and COD/P (usually described as nutrient-limiting conditions) and warmest temperature (moderate condition). Therefore, the aim of this work is predominantly to select mixed cultures under high storage responded by cultivation on a substrate - non limited in a single batch reactor with shortest period for feeding and to characterize their storage response by using specific and kinetics determination. In that case, the selected-fixed temperature is 30 degrees C to establish tropical conditions. During the accumulated steady-state period, the cell growth was inhibited by high PHA content within the cells because of the carbon reserve consumption. From the experiments, there is no doubt about the PHA accumulation even at high carbon fraction ratio. Apparently, the best accumulation occurred at carbon fraction, 160 +/- 7.97 g COD/g N (PHAmean, = 44.54% of dried cells). Unfortunately, the highest PHA productivity was achieved at the high carbon fraction, 560 +/- 1.62 g COD/g N (0.152 +/- 0.17 g/l. min). Overall results showed that with high carbon fraction induced to the cultivation, the PO4 and NO3 can remove up to 20% in single cultivation.
  5. Potential of nanofiltration and low pressure reverse osmosis in the removal of phosphorus for aquaculture
    Leo CP, Yahya MZ, Kamal SN, Ahmad AL, Mohammad AW
    Water Sci Technol, 2013;67(4):831-7.
    PMID: 23306262 DOI: 10.2166/wst.2012.625
    Aquaculture activities in developing countries have raised deep concern about nutrient pollution, especially excess phosphorus in wastewater, which leads to eutrophication. NF, NF90, NF450 and XLE membranes were studied to forecast the potential of nanofiltration and low pressure reverse osmosis in the removal of phosphorus from aquaculture wastewater. Cross-sectional morphology, water contact angle, water permeability and zeta potential of these membranes were first examined. Membrane with higher porosity and greater hydrophilicity showed better permeability. Membrane samples also commonly exhibited high zeta potential value in the polyphosphate-rich solution. All the selected membranes removed more than 90% of polyphosphate from the concentrated feed (75 mg/L) at 12 bar. The separation performance of XLE membrane was well maintained at 94.6% even at low pressure. At low feed concentration, more than 70.0% of phosphorus rejection was achieved using XLE membrane. The formation of intermolecular bonds between polyphosphate and the acquired membranes probably had improved the removal of polyphosphate at high feed concentration. XLE membrane was further tested and its rejection of polyphosphate reduced with the decline of pH and the addition of ammonium nitrate.
  6. Effect of Religious Beliefs on the Smoking Behaviour of University Students: Quantitative Findings From Malaysia
    Elkalmi RM, Alkoudmani RM, Elsayed TM, Ahmad A, Khan MU
    J Relig Health, 2016 Dec;55(6):1869-75.
    PMID: 26429730 DOI: 10.1007/s10943-015-0136-0
    The Malaysian official Islamic authorities have issued a "fatwa" (Islamic ruling) regarding smoking practice which prohibits Muslims from smoking because of its potential harm to health. Since the prevalence of smoking among Malaysian students is high, this study was designed to explore the perceptions and opinions of Malaysian Muslim students towards smoking in International Islamic University of Malaysia. A prospective, cross-sectional study was conducted among School of Science students in International Islamic University Malaysia. Convenience sampling approach was used to recruit 323 students based on sample size calculation. A content- and face-validated questionnaire was used to collect the data from the participants. Non-smokers highly supported the fatwa on smoking forbiddance than smokers (94 vs 64.3 %, p = 0.001). A significant proportion of non-smokers believed that Islam prohibits smoking because of its potential harm (94.9 vs 71.4 %, p = 0.001). Majority of smokers agreed that addiction is the main barrier towards smoking cessation (78.6 vs 61.5 %, p = 0.019). The results showed positive influences of Islamic beliefs on the non-smokers. Further studies are required to validate these findings by surveying other universities of Malaysia.
  7. Fulltext A Cross-Sectional Survey of Healthcare Workers on the Knowledge and Attitudes towards Polio Vaccination in Pakistan
    Khan MU, Ahmad A, Aqeel T, Akbar N, Salman S, Idress J
    PLoS One, 2015;10(11):e0142485.
    PMID: 26559184 DOI: 10.1371/journal.pone.0142485
    Pakistan accounts for 85.2% of the total polio cases reported worldwide. Healthcare workers (HCWs) are an integral part of immunization campaigns and source of education for the general public. This study aimed to assess the knowledge and attitudes towards polio vaccination among HCWs providing immunisation and education to general public in Quetta and Peshawar divisions of Pakistan.
  8. Fulltext Knowledge, attitudes and perceptions towards polio immunization among residents of two highly affected regions of Pakistan
    Khan MU, Ahmad A, Aqeel T, Salman S, Ibrahim Q, Idrees J, et al.
    BMC Public Health, 2015;15:1100.
    PMID: 26541976 DOI: 10.1186/s12889-015-2471-1
    Despite the efforts of national and international organizations, polio has not been eradicated from Pakistan. The prevalence of polio in Pakistan is exceptional in global context. Quetta and Peshawar divisions are amongst the most affected regions hit by polio in Pakistan. This study was carried out to assess the knowledge, attitudes and perceptions towards polio immunization among residents of Quetta and Peshawar divisions in Pakistan.
  9. Enhanced expression of endothelial nitric oxide synthase in the myocardium ameliorates the progression of left ventricular hypertrophy in L-arginine treated Wistar-Kyoto rats
    Ahmad A, Sattar MA, Rathore HA, Abdulla MH, Khan SA, Abdullah NA, et al.
    J. Physiol. Pharmacol., 2016 Feb;67(1):31-44.
    PMID: 27010893
    The present study investigated the role of endothelial nitric oxide synthase (eNOS) enzyme in the development of left ventricular hypertrophy (LVH) in Wistar-Kyoto rats. The effect of L-arginine administration on cardiac structure, arterial stiffness, renal and systemic hemodynamic parameters was studied and the change in expression of eNOS and cystathione γ lyase (CSE) in the myocardium of LVH rats was evaluated. LVH was induced using isoprenaline (5 mg/kg, S.C.) and caffeine (62 mg/L in drinking water) for 14 days. Following to that, L-arginine (1.25g/L in drinking water) was given for 5 weeks as a donor of NO. eNOS and CSE gene expressions were down regulated in the LVH group by about 35% and 67% respectively when compared to control. However, in the LVH group treated with L-arginine there was up regulation of eNOS by almost 27% and down regulation in CSE by 24% when compared to control (all P < 0.05). Heart index and H2S plasma levels were reduced by almost 53% in the L-arginine treated LVH group compared to the control (all P < 0.05). Mean arterial pressure, heart rate and pulse wave velocity were reduced while renal blood perfusion increased in L-arginine treated LVH rats compared to their untreated counterparts (all P < 0.05). The enhanced expression of eNOS in L-arginine treated LVH rats resulted in the amelioration of oxidative and haemodynamic parameters suggesting that NO system is an important therapeutic target in cardiac and LV hypertrophies.
  10. Profile distribution of juvenile Aedes species in an urban area of Malaysia
    Che Dom N, Faiz Madzlan M, Nadira Yusoff SN, Hassan Ahmad A, Ismail R, Nazrina Camalxaman S
    Trans R Soc Trop Med Hyg, 2016 Apr;110(4):237-45.
    PMID: 27076510 DOI: 10.1093/trstmh/trw015
    Dengue fever (DF) is an urban vector-borne disease transmitted by Aedes aegypti and Aedes albopictus. Both species deposit their eggs in favorable breeding sites either in natural or artificial containers. An understanding of their habitat characteristics is crucial in curbing DF outbreaks
  11. Fulltext Perceptions and Practices of Community Pharmacists towards Antimicrobial Stewardship in the State of Selangor, Malaysia
    Khan MU, Hassali MA, Ahmad A, Elkalmi RM, Zaidi ST, Dhingra S
    PLoS One, 2016;11(2):e0149623.
    PMID: 26901404 DOI: 10.1371/journal.pone.0149623
    BACKGROUND: Increasing antimicrobial resistance is one of the pressing concerns globally. Injudicious use of antibiotics is one of the modifiable factors responsible for antimicrobial resistance. Given the widespread use of antimicrobials in community settings, pharmacists have an important role in ensuring appropriate use of antibiotics. The objective of this study was to assess the perception and self-reported practices of community pharmacists towards antimicrobial stewardship.

    METHODS: A cross-sectional study was conducted among community pharmacists between March-April, 2015, using a self-administered, pre-tested questionnaire in the State of Selangor, Malaysia. A simple random sampling approach was used to select pharmacy sites. Descriptive and inferential statistical methods were used to analyse the data.

    RESULTS: A total of 188 pharmacists responded to the survey, giving a response rate of 83.5%. The majority of participants (n = 182, 96.8%) believed that antimicrobial stewardship program helps healthcare professionals to improve the quality of patient care. However, more than half of pharmacists were neutral in their opinion about the incorporation of antimicrobial stewardship programs in community pharmacies (n = 102, 54.2%). Though collaboration was often done by pharmacists with other health professionals over the use of antibiotics (n = 104, 55.3%), a significant proportion of participants (n = 102, 54.2%) rarely/occasionally participate in antimicrobial awareness campaigns. Pharmacists having postgraduate qualification were more likely to held positive perceptions of, and were engaged in, antimicrobial stewardship than their non-postgraduate counterpart (p<0.05). Similarly, more experienced pharmacists (> 10 years) held positive perceptions towards antimicrobial stewardship (p<0.05).

    CONCLUSION: The study highlighted some gaps in the perception and practices of community pharmacist towards antimicrobial stewardship. Development of customized interventions would be critical to bridging these gaps and improve their perception and practices towards antimicrobial stewardship.

  12. Long-term effect on foot and ankle donor site following vascularized fibular graft resection in children
    Sulaiman AR, Wan Z, Awang S, Che Ahmad A, Halim AS, Ahmad Mohd Zain R
    J Pediatr Orthop B, 2015 Sep;24(5):450-5.
    PMID: 26049965 DOI: 10.1097/BPB.0000000000000197
    This study was carried out to evaluate the long-term effect on the donor side of the foot and ankle following vascularized fibular graft resection in children. Eight patients underwent resection of the fibula for the purpose of a vascularized fibular graft by a surgical team who practiced leaving at least 6 cm residual distal fibula. The age of these children at the time of surgery was between 3 and 12 years. They were reviewed between 3 and 12 years after surgery. Two patients who underwent resection of the middle shaft of the fibula at 3 and 5 years of age developed abnormal growth of the distal tibia, leading to ankle valgus. They were treated with growth modulation of the distal tibial physis and supramalleolar osteotomy with tibiofibular synostosis. Another patient who underwent the entire proximal fibula resection at the age of 6 years had developed hindfoot valgus because of weakness of the tibialis posterior muscle. He required talonavicular fusion and flexor hallucis to tibialis posterior muscle transfer. Patients operated at the age of older than 8 years neither had ankle nor hindfoot deformity. We concluded that resection of the middle shaft of the fibula for the purpose of a vascularized fibula graft, leaving a 6 cm distal fibular stump in children younger than 6 years old, may give rise to abnormal growth of the distal tibial physis, leading to valgus ankle. The entire proximal fibular resection for the similar purpose in a 6-year-old child may give rise to weakness of tibialis posterior and hindfoot valgus.
  13. Fulltext The need for redesigned pharmacy practice courses in Pakistan: the perspectives of senior pharmacy students
    Umair Khan M, Ahmad A, Hussain K, Salam A, Hasnain ZU, Patel I
    J Educ Eval Health Prof, 2015;12:27.
    PMID: 26072905 DOI: 10.3352/jeehp.2015.12.27
    In Pakistan, courses in pharmacy practice, which are an essential component of the PharmD curriculum, were launched with the aim of strengthening pharmacy practice overall and enabling pharmacy students to cope with the challenges involved in meeting real-world healthcare needs. Since very little research has assessed the efficacy of such courses, we aimed to evaluate students' perceptions of pharmacy practice courses and their opinions about whether their current knowledge of the topics covered in pharmacy practice courses is adequate for future practice.
  14. Fulltext Evaluation of Workload and its Impact on Satisfaction Among Pharmacy Academicians in Southern India
    Ahmad A, Khan MU, Srikanth AB, Patel I, Nagappa AN, Jamshed SQ
    J Clin Diagn Res, 2015 Jun;9(6):FC01-6.
    PMID: 26266133 DOI: 10.7860/JCDR/2015/12921.6023
    The purpose of this study was to determine the level of workload among pharmacy academicians working in public and private sector universities in India. The study also aimed to assess the satisfaction of academicians towards their workload.
  15. Improved Methanol Barrier Property of Nafion Hybrid Membrane by Incorporating Nanofibrous Interlayer Self-Immobilized with High Level of Phosphotungstic Acid
    Abouzari-lotf E, Nasef MM, Ghassemi H, Zakeri M, Ahmad A, Abdollahi Y
    ACS Appl Mater Interfaces, 2015 Aug 12;7(31):17008-15.
    PMID: 26196374 DOI: 10.1021/acsami.5b02268
    High level of phosphotungstic acid (PWA) was self-immobilized on electrospun nylon nanofiberous sheet to fabricate highly selective methanol barrier layer for sandwich structured proton conducting membranes. Simple tuning for the assembly conditions of central layer and thickness of outer Nafion layers allowed obtaining different composite membranes with superior methanol barrier properties (namely, P=3.59×10(-8) cm2 s(-1)) coupled with proton conductivities reaching 58.6 mS cm(-1) at 30 °C. Comparable activation energy for proton transport and more than 20 times higher selectivity than Nafion 115 confirm the effectiveness of the central layer and resulting membranes for application in direct methanol fuel cells (DMFCs). When tested in DMFC single cell, the performance of hybrid membrane was far better than Nafion 115 especially at higher methanol concentrations.
  16. Fulltext Comparison of the knowledge, attitudes, and perception of barriers regarding adverse drug reaction reporting between pharmacy and medical students in Pakistan
    Umair Khan M, Ahmad A, Ejaz A, Ata Rizvi S, Sardar A, Hussain K, et al.
    J Educ Eval Health Prof, 2015;12:28.
    PMID: 26072906 DOI: 10.3352/jeehp.2015.12.28
    PURPOSE: The goal of this study was to compare the knowledge and attitudes of pharmacy and medical students regarding adverse drug reactions (ADRs), as well as their perceptions of barriers to ADR reporting, in a Higher Education Commission-recognised Pakistani university.
    METHODS: A cross-sectional study was conducted among final-year pharmacy (n=91) and medical (n=108) students in Pakistan from June 1 to July 31, 2014. A self-administered questionnaire was used to collect the data. The responses of pharmacy students were compared to those of medical students.
    RESULTS: Pharmacy students had a significantly better knowledge of ADRs than medical students (mean±SD, 5.61±1.78 vs. 3.23±1.60; P<0.001). Gender showed a significant relationship to knowledge about ADRs, and male participants were apparently more knowledgeable than their female counterparts (P<0.001). The attitudes of pharmacy students regarding their capability to handle and report ADRs were significantly more positive than those of medical students (P<0.05). In comparison to pharmacy students, a lack of knowledge of where and how to report ADRs was the main barrier that medical students perceived to ADR reporting (P=0.001).
    CONCLUSION: Final-year pharmacy students exhibited more knowledge about ADRs and showed more positive attitudes regarding their capacity to handle and report ADRs than final-year medical students.
    KEYWORDS: Comparison; Medical; Pakistan; Pharmacovigilance; Pharmacy; Students
  17. New generation Amberlite XAD resin for the removal of metal ions: A review
    Ahmad A, Siddique JA, Laskar MA, Kumar R, Mohd-Setapar SH, Khatoon A, et al.
    J Environ Sci (China), 2015 May 1;31:104-23.
    PMID: 25968265 DOI: 10.1016/j.jes.2014.12.008
    The direct determination of toxic metal ions, in environmental samples, is difficult because of the latter's presence in trace concentration in association with complex matrices, thereby leading to insufficient sensitivity and selectivity of the methods used. The simultaneous removal of the matrix and preconcentration of the metal ions, through solid phase extraction, serves as the promising solution. The mechanism involved in solid phase extraction (SPE) depends on the nature of the sorbent and analyte. Thus, SPE is carried out by means of adsorption, ion exchange, chelation, ion pair formation, and so forth. As polymeric supports, the commercially available Amberlite resins have been found very promising for designing chelating matrices due to its good physical and chemical properties such as porosity, high surface area, durability and purity. This review presents an overview of the various works done on the modification of Amberlite XAD resins with the objective of making it an efficient sorbent. The methods of modifications which are generally based on simple impregnation, sorption as chelates and chemical bonding have been discussed. The reported results, including the preconcentration limit, the detection limit, sorption capacity, preconcentration factors etc., have been reproduced.
  18. Fulltext Evaluation of potential drug - drug interactions in general medicine ward of teaching hospital in southern India
    Ahmad A, Khan MU, Haque I, Ivan R, Dasari R, Revanker M, et al.
    J Clin Diagn Res, 2015 Feb;9(2):FC10-3.
    PMID: 25859467 DOI: 10.7860/JCDR/2015/11264.5608
    Polypharmacy is considered as one of the major risk factors in precipitation of drug-drug interactions (DDIs). Patient population at high risk include the elderly and patients with co morbidities as they are usually prescribed with more number of drugs. Critical evaluation of such prescriptions by pharmacist could result in identification and reduction of such problems.
  19. Obesity depresses baroreflex control of renal sympathetic nerve activity and heart rate in Sprague Dawley rats: role of the renal innervation
    Khan SA, Sattar MZ, Abdullah NA, Rathore HA, Abdulla MH, Ahmad A, et al.
    Acta Physiol (Oxf), 2015 Jul;214(3):390-401.
    PMID: 25846561 DOI: 10.1111/apha.12499
    AIM:
    This study investigated the role of the renal innervation in arterial and cardiopulmonary baroreflex regulation of renal sympathetic nerve activity (RSNA) and heart rate (HR) in rats fed a high-fat diet to induce obesity.

    METHODS:
    Rats received either a normal (12% kcal) or high (45% kcal) fat diet for 60 days. On day 61, rats were anesthetized and prepared for recording left RSNA. In one group, the renal nerves remained intact, while in the other, both kidneys were denervated. Baroreflex gain curves for RSNA and HR were generated by increasing and decreasing blood pressure. Low-pressure baroreceptors were challenged by infusing a saline load.

    RESULTS:
    Mean blood pressure was 135 mmHg in the fat-fed and 105 mmHg (P < 0.05) in normal rats. Weight gain, adiposity index and creatinine clearance were 37, 82 and 55% higher (P < 0.05-0.001), but urine flow rate and fractional sodium excretions were 53 and 65% (both P < 0.001) lower, respectively, in the fat-fed compared to normal rats. In fat-fed rats with innervated kidneys, RSNA and HR arterial baroreflex sensitivities were reduced by 73 and 72% (both P < 0.05) but were normal in renally denervated rats. Volume expansion decreased RSNA by 66% (P < 0.001) in normal rats, but not in the intact fat-fed rats and by 51% (P < 0.01) in renally denervated fat-fed rats.

    CONCLUSION:
    Feeding a high-fat diet caused hypertension associated with dysregulation of the arterial and cardiopulmonary baroreflexes which was dependent on an intact renal innervation. This suggests that in obese states neural signals arising from the kidney contribute to a deranged autonomic control.

    KEYWORDS:
    baroreflex gain curves; cardiopulmonary reflex; high-fat diet
  20. Fulltext Relationship of objectively measured physical activity and sedentary behaviour with health-related quality of life among breast cancer survivors
    Nurnazahiah A, Shahril MR, Nor Syamimi Z, Ahmad A, Sulaiman S, Lua PL
    Health Qual Life Outcomes, 2020 Jul 10;18(1):222.
    PMID: 32650777 DOI: 10.1186/s12955-020-01478-x
    BACKGROUND: Lack of physical activity throughout one's lifetime has been associated with obesity and it is also an important risk factor of breast cancer. This study aimed to determine the relationship between objectively measured physical activity and sedentary behaviour with health-related quality of life (HRQoL) among breast cancer survivors in the East Coast region of Peninsular Malaysia.

    METHODS: A cross-sectional study involving 83 breast cancer survivors was carried out in two main government referral hospitals in the region. Participants wore the ActivPAL3™ microdevice physical activity monitor for seven consecutive days. The validated European Organization for Research and Treatment of Cancer Quality of Life Questionnaires (EORTC QLQ-C30) and Breast Cancer Supplementary Measure (EORTC QLQ-BR23) were used to measure their HRQoL. Multiple linear regression analysis was conducted to determine the relationship between objectively measured physical activity and sedentary behaviour with HRQoL.

    RESULTS: Longer time spent on moderate to vigorous physical activity (MVPA) was significantly associated with an improvement of HRQoL (p = 0.039) whereas longer time spent on sedentary behaviour significantly reduced the functioning score (p = 0.005). In addition, prolonged sedentary bouts were also significantly associated with better body image that led to improved HRQoL (p = 0.013).

    CONCLUSIONS: The study findings suggest that an increase in the time spent on MVPA was associated with improved HRQoL while sedentary behaviour was associated with poorer HRQoL among breast cancer survivors. Thus, it is essential to displace sedentary behaviour with MVPA to improve the quality of life of breast cancer survivors.

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