jackson utong, mohd sham othman, mahadir ahmad, caryn mei hsien chan.  (2026).  digital public health interventions in malaysia: a scoping review of user acceptance, usability, health outcomes, and implementation challenges.  - applied research.  1 - 12. 

jamil nasif, agnes chong shu sze, mahadir ahmad.  (2026).  preliminary clinical outcomes of culturally adapted cognitive behavioral therapy for reducing panic disorder symptoms and improving quality of life: pilot study.  - behavioral sciences.  1 - 16. 

jun kiat, mahadir ahmad, caryn mei hsien chan, satirah zainalabidin, michael ungar, ponnusamy subramaniam.  (2025).  effectiveness of adaptation of a resilience-building intervention among individuals with adverse childhood experience: protocol for a randomized controlled trial.  - jmir research protocols.  150 - 164. 

jia hang lim, mahadir ahmad & kususanto d. prihadi.  (2025).  examining the role of psychological flexibility and unconditional self-acceptance as mediators in the relationship between new media literacy and psychological wellbeing among gen z.  - journal of education and health promotion .  1 - 6. 

jing giong lee, noh amit, shazli ezzat ghazali, ponnusamy subramaniam, mahadir ahmad, chun hong gan, norhayati ibrahim, zaini said.  (2025).  the development of a brief intervention module for adults with obsessive-compulsive disorder (ocd) in malaysia.  - malaysian journal of public health medicine.  144 - 152. 

mohamad azmeer sadali, wan syafira ishak, mahadir ahmad, derek j. hoare.  (2025).  a culturally adapted psychologically informed, audiologist-delivered, manualized intervention for chronic tinnitus patients in malaysia: protocol for a randomized controlled feasibility trial.  - plos one.  1 - 17. 

agnes chong shu sze, mahadir ahmad, hamidah alias, rizuana iqbal hussain, afifi lateh, caryn mei hsien chan.  (2025).  an intervention module for caregivers of children with acute lymphoblastic leukemia (all).  - journal of psychosocial oncology.  73 - 87. 

li hao, arimi fitri mat ludin, mahadir ahmad, xie meng and he zhong lei.  (2024).  the prevalence and its associated factors of psychological stress among middle school students in china: pooled evidence from a systematic scoping review.  - frontiers in public health.  1-11. 

nur zakiah mohd saat, siti aishah hanawi, hazlenah hanafiah, , mahadir ahmad,, nor m. f. farah, nur ain atikah abdul rahman.  (2024).  relationship of screen time with anxiety, depression and sleep quality among adolescent: a cross sectional study.  - frontiers in public health.  1 - 10. 

ong, winslet; omar, noor arfa; zanudin, asfarina; alias, muhamad faiz; hui wen, lim; thang xue ee, angel; mohd nordin, nor azlin; manaf, haidzir; husin, basri; ahmad, mahadir; hisham, hafifi.  (2024).  the relationship between physical activity and mental health among individuals with spinal cord injury: protocol for a scoping review.  - jmir research protocols.  1 - 8. 

jia hang lim, mahadir ahmad1 & kususanto ditto prihadi.  (2024).  new media literacy, self-acceptance, and psychological flexibility in enhancing gen z wellbeing.  - psychology, society & education .  10 - 19. 

mariah asem, sumithira narayanasamy, mahadir ahmad, masne kadar, mohd izzuddin hairol.  (2023).  association between visual perception and socioeconomic status in malaysian preschool children: results from the test of visual perceptual skills-4.  - children.  1-11. 

mohd izzuddin hairol, mahadir ahmad, muhammad aminuddin muhammad zihni, nur fatin syazana saidon, naufal nordin, masne kadar.  (2023).  the impact of school closures during covid-19 lockdown on visual-motor integration and block design performance: a comparison of two cohorts of preschool children.  - children.  1-12. 

n. z. m. saat , siti aishah hanawi , nurul hasanah hasmuni chew , mahadir ahmad , nor m. f. farah , masne kadar , hanis mastura yahya , nor malia abd warif and muhammad khairuddin md daud.  (2023).  the association of eating behaviour with physical activity and screen time among adolescents in the klang valley, malaysia: a cross-sectional study.  - healthcare.  1-13. 

setiyo purwanto, mahadir ahmad, zaini said, nisa rachmah nur anganthi, yuli kusumawati, siti zulaekah.  (2023).  prevalence of insomnia at before and during the covid-19 pandemic.  - sleep medicine research.  80-87. 

setiyo purwanto, mahadir ahmad, zaini said, nisa rachmah nur anganthi, siti zulaekah.  (2023).  effect of mindfulness dhikr breathing therapy for insomniacs on quality of life: a randomized controlled trial.  - islamic guidance and counseling journal.  1-16. 

caryn mei hsien chan, ching sin siau, jyh eiin wong, noorazrul yahya, nor aniza azmi, shin ying chu, mahadir ahmad, agnes shu sze chong, lei hum wee, and jo pei tan.  (2023).  characterizing employees with primary and secondary caregiving responsibilities: informal care provision in malaysia.  - healthcare.  1-12. 

agnes shu sze chong, mahadir ahmad, hamidah alias, rizuana iqbal hussain, afifi lateh and caryn mei hsien chan.  (2023).  spiritual coping among families of children with cancer: a qualitative study.  - asia pacific journal of public health.  408-412. 

agnes shu sze chong, mahadir ahmad, nurul batrisyia mohd harizan, hamidah alias, rizuana iqbal hussain, afifi lateh, caryn mei hsien chan.  (2023).  predictors of post-traumatic stress symptoms (ptss), depression, and anxiety among caregivers of children with acute lymphoblastic leukaemia (all).  - asian pacific journal of cancer prevention.  1923-1929. 

jefferson khai-qiang ng, ponnusamy subramaniam, fuad ismail, mahadir ahmad, nur liyana shamsudin,.  (2022).  life review intervention: a systematic review of its feasibility among persons with cancer.  - journal of pain and symptom management.  e235-e249. 

agnes chong shu sze, mahadir ahmad, hamidah alias, rizuana iqbal hussain, afifi lateh, caryn mei hsien chan.  (2022).  exploring the beliefs of caregivers about the caregiving experiences of children withacute lymphoblastic leukemia in malaysia.  - belitung nursing journal.  204-212. 

mohd izzuddin hairol, naufal nordin, jacqueline png, sharanjeet-kaur, sumithira narayanasamy, manisah mohd-ali, mahadir ahmad & masne kadar.  (2021).  association between reduced visual-motor integration performance and socioeconomic factors among preschool children in malaysia: a cross-sectional study.  - plos one.  1-16. 

siti munirah abdul basir, zahara abdul manaf, mahadir ahmad, nor ba-yah abdul kadir, wan nur khairunnisa ismail, arimi fitri mat ludin, suzana shahar.  (2021).  reliability and validity of the malay mindful eating questionnaire (meq-m) among overweight and obese adult.  - international journal of environmental research and public health.  1-14. 

mohd izzuddin hairol, shaari ahmad, sharanjeet kaur, lei hum wee, fauziah abdullah, and mahadir ahmad.  (2021).  incidence and predictors of postpartum depression among postpartum mothers in kuala lumpur, malaysia: a cross-sectional study.  - plos one.  1-12. 

anuar mohamad, hizlinda tohid, saharuddin ahmad, seng fah tong, mahadir ahmad.  (2021).  risk perception for developing erectile dysfunction among malaysian men with type 2 diabetes mellitus.  - kesmas: jurnal kesehatan masyarakat nasional.  51-58. 

harenthri devy alagir rajah, chie qiu ting, mahadir ahmad, wun chin leong, nirmala bhoo-pathy, caryn mei hsien chan.  (2021).  reliability and validity of the brief illness perception questionnaire in bahasa malaysia for patients with cancer.  - asia pacific journal of cancer prevention.  2487-2492. 

noor azizah abdul wahab, mohd makmor bakry, mahadir ahmad, zaswiza mohamad noor, adliah mhd ali.  (2021).  exploring culture, religiosity and spirituality influence on antihypertensive medication adherence among specialised population: a qualitative ethnographic approach.  - patient preference and adherence.  2249-2265. 

naniyati shuib, mahadir ahmad, zubaidah jamil osman, muhammad najib mohamad alwi.  (2020).  validation of the malay version of the social functioning scale (sfs) for schizophrenia.  - international journal of psychosocial rehabilitation.  2508-2521. 

mahadir ahmad , nur syafiqa balqis md. din , ruthra devi tharumalay , normah che din ,norhayati ibrahim , noh amit , nor mf farah, rose azzlinda osman, mohamed faisal abdul hamid, ibnor azli ibrahim, ezad azraai jamsari, mohd rizal palil & sha'ari ahmad.  (2020).  the effects of circadian rhythm disruption on mental health and physiological responses among shift workers and general population.  - international journal of environmental research & public health.  1-16. 

ernieda hatah, nadiah rahim, mohd makmor-bakry, noraida mohamed shah, noraini mohamad, mahadir ahmad, nor hasni haron, choe sze hwe, angeline tan meng wah, fahmi hassan, shakirin shaik rahmat, sarah ann robert, noraidatulakma abdullah.  (2020).  development and validation of malaysia medication adherence assessment tool (mymaat) for diabetic patients.  - plos one.  1-17. 

norhayati ibrahim, normah che din, mahadir ahmad, noh amit, shazli ezzat ghazali, suzaily wahab, nor ba'yah abdul kadir, fatimah wati halim, mohd radzi tarmizi a. halim.  (2019).  the role of social support and spiritual wellbeing in predicting suicidal ideation among marginalized adolescents in malaysia.  - bmc public health.  1-8. 

yoke yong chen, mahadir ahmad & fuad bin ismail.  (2019).  illness acceptance as mediator for cancer-related complaints and psychological distresses among malaysian cancer patients.  - future oncology.  1759-1770. 

normah che din, liana mohd nawi, shazli ezzat ghazali, mahadir ahmad, norhayati ibrahim, zaini said, noh amit and ponnusamy subramaniam.  (2019).  preliminary analysis of the factor structure, reliability and validity of an obsessive-compulsive disorder screening tool for use with adults in malaysia.  - international journal of environmental research and public health.  1-11. 

naniyati shuib, mahadir ahmad, zubaidah jamil osman and muhammad najib mohamad alwi.  (2019).  the web-based processing speed training and remediation in psychosis.  - international journal of advanced science and technology.  1896-1906. 

nur liyana ishak, sharanjeet-kaur, saadah mohamed akhir, mahadir ahmad, abdul mutalib o.  (2018).  identification of risk factors for myopia questionnaire in the malay language among primary school children in malaysia.  - international medical journal malaysia.  . 

agnes chong shu sze, normah che din, mahadir ahmad, norhayati ibrahim, rogayah abdul razak & pheh kai shuen.  (2018).  phonological awareness and global visual spatial ability among malay speaking children with specific learning disorder with dyslexia.  - malaysian journal of public health medicine.  115-124. 

chen yoke yong & mahadir ahmad.  (2018).  effectiveness of adjunct psychotherapy for cancer treatment: a review.  - future oncology.  1487-1496. 

yap quin jean, rafidah mazlan, mahadir ahmad, nashrah maamor.  (2018).  parenting stress and maternal coherence: mothers with deaf or hard-of-hearing children.  - american journal of audiology.  . 

belina anne william m thomas , sharanjeet kaur , mohd izzuddin hairol , mahadir ahmad , lei hum wee.  (2018).  behavioural and emotional issues among primary school pupils with congenital colour vision deficiency in the federal territory of kuala lumpur, malaysia: a case-control study [version 1; referees: awa.  - f1000research.  1-11. 

norsuhaila sha`ari, zahara abdul manaf, mahadir ahmad, fairuz nazri abd rahman.  (2017).  nutritional status and feeding problems in pediatric attention deficit-hyperactivity disorder.  - pediatrics international.  408-415. 

nurul anis mohd yuzaidey, normah che din, mahadir ahmad, norhayati ibrahim, dzalani harun, rogayah abdul razak.  (2017).  interventions for children with dyslexia : a review on current intervention methods.  - medical journal of malaysia.  26. 

tay kok wai, normah che din, mahadir ahmad, noh amit, norhayati ibrahim.  (2017).  development of group therapy module for parents of children living with autism spectrum disorder.  - medical journal of malaysia.  26. 

alwi nazurah, harun dzalani, omar baharudin, ahmad mahadir, joseph henry leonard.  (2016).  the reliability of malay version of parenting stress index-short form (psi-sf) among caregivers of individuals with learning disabilities.  - polish annals of medicine.  108-112. 

nurhidayah m, suzana s, mahadir a, mohd azahadi o, mohamad hasnan a, ismarulyusda i & zahara am.  (2016).  validation of food frequency questionnaire in estimating docosahexanoic acids (dha) intake among malay primary school children.  - malaysian journal of nutrition.  233-243. 

norhayati ibrahim, hui chien 0ng, suzaily abd wahab, normah che din, mahadir ahmad, noh amit, mohd suhaimi mohamad.  (2016).  psychological wellbeing among caregivers of schizophrenia patients in malaysia.  - international journal of psychology.  678-679. 

siti aishah abdullah suhaimi,, afifah mohamed, mahadir ahmad, kanaga kumari chelliah.  (2015).  effects of reduced compression in digital breast tomosynthesis on pain, anxiety, and image quality.  - malaysian journal of medical sciences.  40-46. 

rachael powell, mahadir ahmad, fiona j. gilbert, david brian & marie johnston.  (2015).  improving magnetic resonance imaging (mri) examinations: development and evaluation of an intervention to reduce movement in scanners and facilitate scan completion.  - british journal of health psychology.  449-465. 

normah che din, shazli ezzat ghazali, norhayati ibrahim, mahadir ahmad, zaini said, ahmad rohi ghazali, rosdinom razali, suzana shahar.  (2014).  health needs assessment of older people in an agricultural plantation.  - international journal of gerontology.  120-126. 

rosdinom razali, lim jean-li, aida jaffar, mahadir ahmad, shamsul azhar shah, norhayati ibrahim, normah che din, nik ruzyanei nik jaafar, marhani midin, hatta sidi, saharudin ahmad.  (2014).  is the bahasa malaysia version of the montreal cognitive assessment (moca-bm) a better instrument than the malay version of the mini mental state examination (m-mmse) in screening for mild cognitive i.  - comprehensive psychiatry.  55(S1):S70-S75. 

ang, y; mahadir, a; poh, b.  (2014).  sleep deprivation and obesity among malay children and adolescents.  - obesity reviews.  128. 

ahmad rohi ghazali, firdaus kamarulzaman, che din normah, mahadir ahmad, shazli ezzat ghazali, norhayati ibrahim, zaini said, suzana shahar, norhana angkat & rosdinom razali.  (2013).  levels of metallic elements and their potential relationships to cognitive function among elderly from federal land development authority (felda) settlement in selangor malaysia.  - biological trace element research.  153 (1-3):16-21. 

wan mohd yunus wan mohd azam, normah che din, mahadir ahmad, shazli ezzat ghazali, norhayati ibrahim, zaini said, ahmad rohi ghazali, suzana shahar, rosdinom razali and t. maniam.  (2013).  loneliness and depression among the elderly in an agricultural settlement: mediating effects of social support.  - asia-pacific psychiatry.  5(S1):134-139. 

norhayati ibrahim, normah che din, mahadir ahmad, shazli ezzat ghazali, zaini said, suzana shahar, ahmad rohi ghazali and rosdinom razali.  (2013).  relationships between social support and depression, and quality of life of the elderly in a rural community in malaysia.  - asia-pacific psychiatry.  5(S1):59-66.