Prevalence and 5-year incidence of dual sensory impairment in an older Australian population

Julie Schneider, Bamini Gopinath, Catherine McMahon, Erdahl Teber, Stephen R. Leeder, Jie Jin Wang, Paul Mitchell

Research output: Contribution to journalArticleResearchpeer-review

Abstract

Purpose: To report prevalence and 5-year incidence of dual sensory impairment (DSI), and associated risk factors, in an older population. Methods: We included 2015 Blue Mountains Hearing Study participants aged ≥55 years, examined between 1997 and 1999 (baseline) and 2002 and 2004. Hearing thresholds were measured with the use of pure-tone audiometry. Visual acuity was measured with a LogMar chart while the subject wore distance glasses, if they owned a pair. DSI was defined as combined presenting visual acuity (better eye) <20/40, and PTA 0.5-4kHz (better ear) >25 dB HL. The incidence of DSI was considered by the use of two at-risk subpopulations: (i) participants with no sensory impairment and; (ii) with one type of sensory impairment at baseline. Results: The prevalence of DSI was 6% at baseline, increasing from 0% for ages <60 years to 26.8% for ages 80+ years (p for trend <.0001). Five-year DSI incidence was1.6% in persons with no sensory impairment and 11.3% in those with a single sensory impairment, a 7-fold difference. Among participants with either no sensory impairment or a single sensory impairment at baseline, a significant age-related increase in incident DSI was found (p for trend <.0001 and .0004, respectively). Low education was a significant risk factor for DSI among those with no sensory impairment and those with single sensory impairment, multivariable-adjusted odds ratio (OR, 6.62; 95% confidence interval [95% CI], 1.79-24.4) and OR, 2.55 (95% CI, 1.36-4.79), respectively. Conclusions: Aging population trends and the age-related prevalence and incidence of DSI support the implementation of collaborative efforts in service provision between hearing and vision professionals. Active case-finding among older persons with single-sensory impairments may help identify those with DSI and provide timely and appropriate services.

LanguageEnglish
Pages295-301
Number of pages7
JournalAnnals of Epidemiology
Volume22
Issue number4
DOIs
Publication statusPublished - Apr 2012

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Hearing
Incidence
Population
Visual Acuity
Confidence Intervals
Pure-Tone Audiometry
Glass
Odds Ratio
Education

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Schneider, Julie ; Gopinath, Bamini ; McMahon, Catherine ; Teber, Erdahl ; Leeder, Stephen R. ; Wang, Jie Jin ; Mitchell, Paul. / Prevalence and 5-year incidence of dual sensory impairment in an older Australian population. In: Annals of Epidemiology. 2012 ; Vol. 22, No. 4. pp. 295-301.
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abstract = "Purpose: To report prevalence and 5-year incidence of dual sensory impairment (DSI), and associated risk factors, in an older population. Methods: We included 2015 Blue Mountains Hearing Study participants aged ≥55 years, examined between 1997 and 1999 (baseline) and 2002 and 2004. Hearing thresholds were measured with the use of pure-tone audiometry. Visual acuity was measured with a LogMar chart while the subject wore distance glasses, if they owned a pair. DSI was defined as combined presenting visual acuity (better eye) <20/40, and PTA 0.5-4kHz (better ear) >25 dB HL. The incidence of DSI was considered by the use of two at-risk subpopulations: (i) participants with no sensory impairment and; (ii) with one type of sensory impairment at baseline. Results: The prevalence of DSI was 6{\%} at baseline, increasing from 0{\%} for ages <60 years to 26.8{\%} for ages 80+ years (p for trend <.0001). Five-year DSI incidence was1.6{\%} in persons with no sensory impairment and 11.3{\%} in those with a single sensory impairment, a 7-fold difference. Among participants with either no sensory impairment or a single sensory impairment at baseline, a significant age-related increase in incident DSI was found (p for trend <.0001 and .0004, respectively). Low education was a significant risk factor for DSI among those with no sensory impairment and those with single sensory impairment, multivariable-adjusted odds ratio (OR, 6.62; 95{\%} confidence interval [95{\%} CI], 1.79-24.4) and OR, 2.55 (95{\%} CI, 1.36-4.79), respectively. Conclusions: Aging population trends and the age-related prevalence and incidence of DSI support the implementation of collaborative efforts in service provision between hearing and vision professionals. Active case-finding among older persons with single-sensory impairments may help identify those with DSI and provide timely and appropriate services.",
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Prevalence and 5-year incidence of dual sensory impairment in an older Australian population. / Schneider, Julie; Gopinath, Bamini; McMahon, Catherine; Teber, Erdahl; Leeder, Stephen R.; Wang, Jie Jin; Mitchell, Paul.

In: Annals of Epidemiology, Vol. 22, No. 4, 04.2012, p. 295-301.

Research output: Contribution to journalArticleResearchpeer-review

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