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Chinese Journal of Dental Research
Chin J Dent Res 21 (2018), No. 4     15. Oct. 2018
Chin J Dent Res 21 (2018), No. 4  (15.10.2018)

Page 259-265, doi:10.3290/j.cjdr.a41084, PubMed:30264042

Factors Impacting the Oral Health-related Quality of Life in Chinese Adults: Results from the 4th National Oral Health Survey
Zhi, Qing Hui / Zhou, Yan / Tao, Ye / Wang, Xing / Feng, Xi Ping / Tai, Bao Jun / Hu, De Yu / Wang, Bo / Si, Yan / Wang, Chun Xiao / Zheng, Shu Guo / Liu, Xue Nan / Rong, Wen Sheng / Wang, Wei Jian / Lin, Huan Cai
Objective: To explore the clinical and socio-demographic factors influencing oral health-related quality of life (OHRQoL) of Chinese adults in the 4th National Oral Health Survey.
Methods: Multistage stratified cluster sampling and PPS method were used in sampling and 4720 adults aged 35 to 44 years were recruited. The study subjects completed a structured questionnaire in an interview and underwent a clinical examination. The questionnaire was a Putonghua version of the General Oral Health Assessment Index (GOHAI) and was completed by the interviewer on the site of the 4th National Oral Health Survey. Clinical examination was performed using the criteria recommended by the World Health Organization (WHO).
Results: The mean GOHAI score of the subjects was 54.42 (SD 6.01). Result of Poisson regression showed that subjects with a higher household income per capita, had lower DMFT, fewer missing teeth, had no unrepaired missing teeth, or not wearing a partial denture had higher GOHAI scores indicating better OHRQoL.
Conclusion: The OHRQoL of the adults in China was fair and was mainly influenced by dental caries, integrity of dentition and restoration of lost teeth. With limited resources and dental manpower in China, higher priority should be given to the prevention and treatment of the main cause leading to losing teeth.

Keywords: adults, China, oral health related quality of life, the 4th National Oral Health Survey