ARCPOH, The University of Adelaide, Adelaide, South Australia, Australia.
Department of Oral Sciences, Sir John Walsh Research Institute, School of Dentistry, The University of Otago, Otago, New Zealand.
Aust Dent J. 2020 Jun;65 Suppl 1:S67-S70. doi: 10.1111/adj.12767.
Little is known of the occurrence of dry mouth among Australians.
To describe the prevalence and associations of xerostomia in a nationally representative sample of Australian adults.
Dentate persons aged 15+ years were asked 'How often does your mouth feel dry?' (response options 'never', 'occasionally', 'frequently' or 'always'). Those responding 'frequently' or 'always' were classified as xerostomic.
The prevalence of xerostomia was 13.2% (95% CI 12.4, 14.0). It ranged from 9.3% (95% CI 7.9, 10.8) among 15-to-34-year-old to 26.5% (95% CI 23.3, 30.0) among those aged 75+ years. Prevalence was higher in the lowest income tertiles (24.5%, 95% CI 22.6, 26.5), lowest SEIFA tertiles (15.7%, 95% CI 14.2, 17.3), those who were dentally uninsured (16.6%, 95% CI 15.4, 17.8) and those with unfavourable dental visiting patterns (18.1%, 95% CI 16.2, 20.1).
More than one in ten Australians experience dry mouth. Among older Australians, this estimate is one in four. With an ageing, medicated population that is increasing in size, xerostomia is a condition that needs to be better understood, recognized and managed by both dental and general health practitioners.
澳大利亚人口中口干症的发生情况鲜为人知。
描述口干症在澳大利亚代表性成年人样本中的流行情况及其相关性。
询问有牙者“您的口腔经常感到干燥吗？”（答案选项：从不、偶尔、经常或总是）。那些回答“经常”或“总是”的人被归类为口干症患者。
口干症的患病率为 13.2%（95%CI 12.4，14.0）。15 至 34 岁人群中的患病率为 9.3%（95%CI 7.9，10.8），75 岁及以上人群中的患病率为 26.5%（95%CI 23.3，30.0）。收入最低的三分之一人群（24.5%，95%CI 22.6，26.5）、社会经济地位最低的三分之一人群（15.7%，95%CI 14.2，17.3）、无牙科保险的人群（16.6%，95%CI 15.4，17.8）以及牙科就诊模式不佳的人群（18.1%，95%CI 16.2，20.1）中，患病率更高。
超过十分之一的澳大利亚人经历过口干症。在较年长的澳大利亚人中，这一估计值为四分之一。随着人口老龄化、用药人群增加，口干症是一种需要被牙科和一般健康从业者更好理解、识别和管理的病症。
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