Ferlay J, Soerjomataram I, Dikshit R, Eser S, Mathers C, Rebelo M, et al. Cancer incidence and mortality worldwide: sources, methods and major patterns in GLOBOCAN 2012. Int J Cancer. 2015;136(5):E359–86. https://doi.org/10.1002/ijc.29210.

Article  CAS  PubMed  Google Scholar 

Simard EP, Torre LA, Jemal A. International trends in head and neck cancer incidence rates: differences by country, sex and anatomic site. Oral Oncol. 2014;50(5):387–403.

Article  PubMed  Google Scholar 

Health Promotion Administration Ministry of Heaith and Welfare [HPA] ROC. 2019 cancer registry annual report in Taiwan. Health Promotion Administration Ministry of Heaith and Welfare [HPA], R.O.C., Taipei. Taiwan. 2021. https://www.hpa.gov.tw/Pages/ashx/File.ashx?FilePath=~/File/Attach/14913/File_18302.pdf

Mowery A, Light T, Clayburgh D. Long-term trends in head and neck surgery outcomes. Otolaryngol Head Neck Surg. 2018;159(6):1012–9. https://doi.org/10.1177/0194599818785157.

Article  PubMed  Google Scholar 

Young C, Kuo C. A comparative analysis of the correlation between incidence of cancer in insured laborers and cause of death. Institute of Labor (IOSH102-M309). Taipei: Occupational Safety and Health, Ministry of Labor; 2014.

Feuerstein M, Todd BL, Moskowitz MC, Bruns GL, Stoler MR, Nassif T, et al. Work in cancer survivors: a model for practice and research. J Cancer Surviv. 2010;4(4):415–37. https://doi.org/10.1007/s11764-010-0154-6.

Article  PubMed  Google Scholar 

Isaksson J, Wilms T, Laurell G, Fransson P, Ehrsson YT. Meaning of work and the process of returning after head and neck cancer. Support Care Cancer. 2016;24(1):205–13. https://doi.org/10.1007/s00520-015-2769-7.

Article  PubMed  Google Scholar 

Duijts SF, Kieffer JM, van Muijen P, van der Beek AJ. Sustained employability and health-related quality of life in cancer survivors up to four years after diagnosis. Acta Oncol. 2017;56(2):174–82.

Article  PubMed  Google Scholar 

Crevenna R. Return-to-work outcomes in cancer survivors. Support Care Cancer. 2017;25(10):3005–6. https://doi.org/10.1007/s00520-017-3835-0.

Article  PubMed  Google Scholar 

Paltrinieri S, Fugazzaro S, Bertozzi L, Bassi MC, Pellegrini M, Vicentini M, et al. Return to work in European cancer survivors: a systematic review. Support Care Cancer. 2018;26(9):2983–94. https://doi.org/10.1007/s00520-018-4270-6.

Article  PubMed  Google Scholar 

Chow LQM. Head and neck cancer. N Engl J Med. 2020;382(1):60–72. https://doi.org/10.1056/NEJMra1715715.

Article  CAS  PubMed  Google Scholar 

Deng J, Wulff-Burchfield EM, Murphy BA. Late soft tissue complications of head and neck cancer therapy: lymphedema and fibrosis. J Natl Cancer Inst Monogr. 2019;2019(53). https://doi.org/10.1093/jncimonographs/lgz005.

Gane EM, McPhail SM, Hatton AL, Panizza BJ, O’Leary SP. The relationship between physical impairments, quality of life and disability of the neck and upper limb in patients following neck dissection. J Cancer Surviv. 2018;12(5):619–31. https://doi.org/10.1007/s11764-018-0697-5.

Article  PubMed  Google Scholar 

Ghiam MK, Mannion K, Dietrich MS, Stevens KL, Gilbert J, Murphy BA. Assessment of musculoskeletal impairment in head and neck cancer patients. Support Care Cancer. 2017;25(7):2085–92. https://doi.org/10.1007/s00520-017-3603-1.

Article  PubMed  Google Scholar 

Magaña LC, Murati S, Riffitts M, Harrison C, Harris A, Sowa G, et al. Subjective and objective measures in assessing neck disability and pain in head and neck cancer. Laryngoscope. 2021;131(9):2015–22. https://doi.org/10.1002/lary.29488.

Article  PubMed  Google Scholar 

Tan CJ, Yip SYC, Chan RJ, Chew L, Chan A. Investigating how cancer-related symptoms influence work outcomes among cancer survivors: a systematic review. J Cancer Surviv. 2021. https://doi.org/10.1007/s11764-021-01097-5.

Article  PubMed  PubMed Central  Google Scholar 

Giuliani M, Papadakos J, Broadhurst M, Jones J, McQuestion M, Le LW, et al. The prevalence and determinants of return to work in head and neck cancer survivors. Support Care Cancer. 2019;27(2):539–46. https://doi.org/10.1007/s00520-018-4343-6.

Article  PubMed  Google Scholar 

Chen SC, Huang BS, Hung TM, Lin CY, Chang YL. Impact of physical and psychosocial dysfunction on return to work in survivors of oral cavity cancer. Psychooncology. 2019;28(9):1910–7. https://doi.org/10.1002/pon.5173.

Article  PubMed  Google Scholar 

Bertrand J, Luc B, Philippe M, Philippe P. Anterior mandibular osteotomy for tumor extirpation: a critical evaluation. Head Neck. 2000;22(4):323–7. https://doi.org/10.1002/1097-0347(200007)22:4%3c323::aid-hed2%3e3.0.co;2-8.

Article  CAS  PubMed  Google Scholar 

Schuster M, Stelzle F. Outcome measurements after oral cancer treatment: speech and speech-related aspects–an overview. Oral Maxillofac Surg. 2012;16(3):291–8. https://doi.org/10.1007/s10006-012-0340-y.

Article  CAS  PubMed  Google Scholar 

Dewa CS, Trojanowski L, Tamminga SJ, Ringash J, McQuestion M, Hoch JS. Work-related experiences of head and neck cancer survivors: an exploratory and descriptive qualitative study. Disabil Rehabil. 2018;40(11):1252–8. https://doi.org/10.1080/09638288.2017.1291764.

Article  PubMed  Google Scholar 

Broemer L, Friedrich M, Wichmann G, Müller J, Neumuth T, Dietz A, et al. Exploratory study of functional and psychological factors associated with employment status in patients with head and neck cancer. Head Neck. 2021;43(4):1229–41. https://doi.org/10.1002/hed.26595.

Article  PubMed  Google Scholar 

Borggreven PA, Verdonck-de Leeuw I, Rinkel RN, Langendijk JA, Roos JC, David EF, et al. Swallowing after major surgery of the oral cavity or oropharynx: a prospective and longitudinal assessment of patients treated by microvascular soft tissue reconstruction. Head Neck. 2007;29(7):638–47. https://doi.org/10.1002/hed.20582.

Article  PubMed  Google Scholar 

Fang YY, Wang CP, Chen YJ, Lou PJ, Ko JY, Lin JJ, et al. Physical activity and fitness in survivors of head and neck cancer. Support Care Cancer. 2021. https://doi.org/10.1007/s00520-021-06192-y.

Article  PubMed  PubMed Central  Google Scholar 

Gane EM, McPhail SM, Hatton AL, Panizza BJ, O’Leary SP. Neck and shoulder motor function following neck dissection: a comparison with healthy control subjects. Otolaryngol Head Neck Surg. 2019;160(6):1009–18. https://doi.org/10.1177/0194599818821885.

Article  PubMed  Google Scholar 

Dodds RM, Syddall HE, Cooper R, Kuh D, Cooper C, Sayer AA. Global variation in grip strength: a systematic review and meta-analysis of normative data. Age ageing. 2016;45(2):209–16.

Article  PubMed  PubMed Central  Google Scholar 

Wilhelm EN, Rech A, Minozzo F, Radaelli R, Botton CE, Pinto RS. Relationship between quadriceps femoris echo intensity, muscle power, and functional capacity of older men. Age. 2014;36(3):1113–22.

Article  Google Scholar 

Chen YJ, Lai YH, Lee YH, Tsai KY, Chen MK, Hsieh MY. Impact of illness perception, mental adjustment, and sociodemographic characteristics on return to work in patients with head and neck cancer. Support Care Cancer. 2021;29(3):1519–26. https://doi.org/10.1007/s00520-020-05640-5.

Article  PubMed  Google Scholar 

Chen YY, Wang CC, Wu WT, Lai CH, Ho CL, Hsu YY, et al. Trajectories of returning to work and its impact on survival in survivors with oral cancer: a 5-year follow-up study. Cancer. 2020;126(6):1225–34. https://doi.org/10.1002/cncr.32643.

Article  PubMed  Google Scholar 

Norkin CC, White DJ. Measurement of joint motion: a guide to goniometry. FA Davis; 2016. pp. 411–67, 469–75.

Williams MA, McCarthy CJ, Chorti A, Cooke MW, Gates S. A systematic review of reliability and validity studies of methods for measuring active and passive cervical range of motion. J Manipulative Physiol Ther. 2010;33(2):138–55.

Article  PubMed  Google Scholar 

Schaubert KL, Bohannon RW. Reliability and validity of three strength measures obtained from community-dwelling elderly persons. J Strength Cond Res. 2005;19(3):717.

PubMed  Google Scholar 

Mentiplay BF, Perraton LG, Bower KJ, Adair B, Pua YH, Williams GP, et al. Assessment of lower limb muscle strength and power using hand-held and fixed dynamometry: a reliability and validity study. PLoS ONE. 2015;10(10):e0140822. https://doi.org/10.1371/journal.pone.0140822.

Article  CAS  PubMed  PubMed Central  Google Scholar 

Best N, Best S, Loudovici-Krug D, Smolenski UC. Measurement of mandible movements using a vernier caliper–an evaluation of the intrasession-, intersession- and interobserver reliability. Cranio. 2013;31(3):176–80. https://doi.org/10.1179/crn.2013.028.

Article  PubMed  Google Scholar 

Dijkstra PU, Huisman PM, Roodenburg JL. Criteria for trismus in head and neck oncology. Int J Oral Maxillofac Surg. 2006;35(4):337–42. https://doi.org/10.1016/j.ijom.2005.08.001.

Article  CAS  PubMed  Google Scholar 

Lee Y, Wu YS, Chien CY, Fang FM, Hung CF. Use of the hospital anxiety and depression scale and the Taiwanese depression questionnaire for screening depression in head and neck cancer patients in Taiwan. Neuropsychiatr Dis Treat. 2016;12:2649–57. https://doi.org/10.2147/ndt.S112069.

Article  PubMed  PubMed Central  Google Scholar 

Chen SC, Lai YH, Liao CT, Lin CC, Chang JT. Changes of symptoms and depression in oral cavity cancer patients receiving radiation therapy. Oral Oncol. 2010;46(7):509–13. https://doi.org/10.1016/j.oraloncology.2010.02.024.

Article  PubMed  Google Scholar 

Chen SC, Yu PJ, Hong MY, Chen MH, Chu PY, Chen YJ, et al. Communication dysfunction, body image, and symptom severity in postoperative head and neck cancer patients: factors associated with the amount of speaking after treatment. Support Care Cancer. 2015;23(8):2375–82. https://doi.org/10.1007/s00520-014-2587-3.

Article  PubMed  Google Scholar 

O’brien RM. A caution regarding rules of thumb for variance inflation factors. Quality & Quantity. 2007;41(5):673–90.