Medical Journal of Clinical Trials & Case Studies ISSN: 2578-4838 Prevalence and Risk Factors of Fear of Falling among Elderly: A Review Med J Clin Trials Case Stud Prevalence and Risk Factors of Fear of Falling among Elderly: A Review Md Sazedur R* Khulna University, Bangladesh *Corresponding author: Md. Sazedur Rahman, Statistics discipline, Khulna University, Khulna-9208, Bangladesh, Email: sazedur.stat@gmail.com Abstract The world population is aging rapidly. Fear of falling among the elderly constitute a significant problem in health care. Among community-dwelling elderly, fear of falling is frequent, with prevalence ranging from 3% to 85% % in community-based epidemiologic studies. The aim of this review is to reveal the prevalence and risk factors of fear of falling (FOF) among elderly. The review has identified that age, sex, physical performance, comorbidity, a history of falls, hearing impairment, poor self-related health and depressive symptoms affect fear of falling. The consequences that develop as a result of a fear of falling can include: loss of confidence, decreased quality of life, mobility or activity restriction and the development of deconditioning, leading to loneliness, depression, and anxiety, subsequent falls and physical, psychological and mental function declines. Maintenance of physical function and pain management might be important for older adults with fear of falling. Key words: Fear of Falling; Elderly; Older Adults; Falls; Gerontology Introduction Falls among the elderly constitute a significant problem in health care [1]. Falls may also result in a post fall syndrome that includes dependence, loss of autonomy, confusion, immobilization and depression [1,2]. Fall-induced injuries are increasing more rapidly than can be accounted for by the in-crease in the elderly population. Fall causes considerable costs as well as physical and social costs [3]. Elderly people are more prone to unpredictable and unexpected falls. Falls are common in elderly people and the risk of falling increases with increasing age [4]. Falls have serious consequences on both physical functioning and quality of life among senior citizens [5]. Individuals who experience a fall may go on to develop fear of falling. According to Tinetti, et al. 48% of those over the age of 75 who had fallen in the previous year had a fear of falling [6]. Moreover, it has been noted that among individuals who fall, there is a high percentage (3%-85%) who have a fear of falling [3,7]. It is also known that fear of falling is present in older adults who have never fallen have a fear of falling [8]. Fear of falling, whether or not related to a previous fall, can have a major impact on older adults. Fear of falling is associated with Review Article Volume 2 Issue 11 Received Date: October 02, 2018 Published Date: November 12, 2018 Medical Journal of Clinical Trials & Case Studies Md Sazedur R. Prevalence and Risk Factors of Fear of Falling among Elderly: A Review. Med J Clin Trials Case Stud 2018, 2(11): 000185. Copyright© Md Sazedur R. 2 functional impairment which leads to loneliness and depression [9]. Fear of falling is more complicated which refers a person's belief in their own ability to perform a task safely, without losing balance. Some researchers have stated it as patient's loss of confidence in one's balance abilities. Tinetti and Powell defined fear of falling as a continuous worry about falling that at last restricted them of daily activities [6]. By Tidieksaar, fear of falling indicates an unsound avoidance of movement because of fear of falling [10]. Many people defined fear of falling in different ways. To someone it includes avoidance of daily activities and to another's it is the loss of confidence in balance and walking. Age, sex, physical performance, comorbidity, a history of falls, hearing impairment, poor self-related health and depressive symptoms affect fear of falling [11,12]. The individuals with fear of falling diminish their world, resulting in social isolation and ultimately psychological decline. Prevalence and Risk Factors of Fear of Falling Among community-dwelling elderly, fear of falling is frequent, with prevalence ranging from 3% to 85% % in community-based epidemiologic studies [3,7,13]. Elderly individuals who have actually fallen have reported prevalence rates of fear of falling is 29% to 95.2% whereas 33-46% of community-dwelling older adults who have not fallen also reported fear of falling [13,1517]. The prevalence of fear of falling has been found nearly 46% in nursing home residents, 47% of persons with dizziness and a-third among hospitalized elderly patients without a specific diagnosis [18-20]. More than two-third elderly having fear of falling acknowledged avoiding daily activities because of this fear [9,14]. The prevalence of fear of falling among elderly reported as 76.6% in Korea, 53.4% in Taiwan, 33%-60% in USA 57.9% in Japan [21-24]. In some cases, individuals become housebound and isolated as a result of their fear [14]. The prevalence of fear of falling has been associated with differences in population characteristics, such as age distribution, fall history, frailty, or culture [25]. In many studies increased age has been linked to increase in the fear of falling [12,22,26,27]. But, Lavedán, Ana, et al. did not find significant correlation between age and fear of falling [28]. In addition, female gender were regularly more likely to be fearful of falls compared to male counterparts in several studies [3,9,29]. According to Thiamwong, Ladda, and JomSuwanno, female gender are 1.87 times higher risk of fear of falling than male gender [30]. Having had a previous fall was associated with a fear of falling although there is also some evidence that it is not always a consequence of a past fall [20,31-33]. However, fear of falling itself is a risk factor of future falls [31,33,34]. Physical performance significantly affect fear of falling [35,36]. Elderly with lower alleged physical status are more liable to have a fear of falling [26]. Yang, Nan-Ping, et al. found that fear of falling in older adults is more prevalent among elderly with cardiovascular diseases, diabetes mellitus, stroke [37]. Disable people have found more likely to develop fear of falling compared to normal individuals [31]. Having fewer social interaction or loneliness and depressive disorders also reported as risk factor of fear of falling [9,14,26,38,39]. Elderly with a symptom of some degree of depression have 2.2 times increased risk of falls [39]. One study found that fallers with a fear of falling were significantly more likely to score above 11 on the Geriatric Depression Scale [40]. This score is frequently used as a cut-off point to indicate mild or more severe depression, raising the possibility that minor or major depressive disorders may be more prevalent among fearful than nonfearful fallers. Another risk factors of fear of falling are: lower educational level, visual impairment, a sedentary lifestyle, and no available emotional support [35,41]. Howland and colleagues (1998) examined factors associated with fear of falling and the effect of fear of falling on curtailing activities with a sample survey (N=266) of older adults living in public senior housing in Massachusetts [14]. They revealed that 55% of participants were afraid of fear of falling and of those who were afraid, 56% had curtailed activity because of this fear. Using logistic regression, they found being female, having had previous falls, and having fewer social contacts were significantly associated with fear of falling. Elderly with fear of falling, those who curtailed activities had significantly greater fear of falling from those who did not curtail activities regardless if slightly, somewhat, or very fearful of falling. Fall history appeared as an important contributor to fear of falling, whereas the impact of this fear on activities appeared more a function of social support. Their findings suggested different strategies for fear of falling prevention. Medical Journal of Clinical Trials & Case Studies Md Sazedur R. Prevalence and Risk Factors of Fear of Falling among Elderly: A Review. Med J Clin Trials Case Stud 2018, 2(11): 000185. Copyright© Md Sazedur R. 3 Chang, Hsiao-Ting, Hsi-Chung Chen, and Pesus Chou (2016) on their "Factors associated with fear of falling among community-dwelling older adults in the Shih-Pai study in Taiwan" reported that the prevalence of fear of falling was 53.4%. The rate of fear of falling was higher in female subjects. Falls in the previous 12-months, older age, insomnia, depression and worse subjective health were correlates of fear of falling for both sexes. Medical help in an emergency, diabetes mellitus and stroke in men and cardiovascular diseases in women were associated with fear of falling. The study was conducted in Taiwan among 3824 older adults aged ≥ 65 years using structured questionnaire, including quality of life by using ShortForm 36, and information of fear of falling, fall history, demographics, medical conditions, insomnia, sleep quality, depression and subjective health through face-toface interviews [22]. Grenier, Sébastien, et al. (2018) conducted a study entitled "The association between fear of falling and motor imagery abilities in older community-dwelling individuals" to investigate whether the fear of falling is a cause of falls, a consequence, or both in communitydwelling adults aged ≥ 75 years old with a sample of 640 individuals. Socio-demographic data, health status, history of falls and fear of falling were assessed at baseline and at two-year study period. In this study, the prevalence of falls at baseline was 25% as opposed to 35.2% at two-year. The prevalence of the fear of falling was 41.5% at baseline. They used logistic regression and found a significant association between a history of falls and the fear of falling. Other factors associated with the fear of falling were female gender, comorbidity, depressive symptoms, and disability. In total, 41.7% of the subjects who had reported a fear of falling at baseline had suffered at least one fall 2-year later. In addition, fear of falling was revealed as a risk factor for falls by unadjusted Cox regression analysis. According to the final model adjusted for other covariates, the only reliable predictor was female gender. However, the Cox model stratified by gender failed to show a crude association between fears of falling and falls [24]. Tomita, Yoshihito, et al. (2018) conducted a study namely "Prevalence of fear of falling and associated factors among Japanese community-dwelling older adults" based on 844 older adults (male, n = 350; female, n = 494) aged 60 to 92 years. They found the prevalence of fear of falling was 26.9% and 43.3% among the men and women, respectively. Multivariate logistic regression analysis identified in men, advanced age, falls in the previous year and pain and in women advanced age, longer 5 times chair stand times, falls in the previous year and pain were independently associated with fear of falling [12]. Consequences of Fear of Falling Fear of falling is more complicated than it sounds. A fear of falling involves real anxiety and can result in physical sensations associated with fear, such as nausea and palpitations. Fear of falling is a fundamental health problem among community-dwelling older adults. A fear of falling leads older people to minimize their daily activities that they have the ability to perform [10,14]. This restriction of activity often leads to a loss of lower limb strength, a further reduction in mobility and physical function and loneliness. The consequences that develop as a result of a fear of falling can include: loss of confidence, decreased quality of life [21,45] mobility or activity restriction and the development of deconditioning, leading to loneliness, depression, and anxiety, subsequent falls and physical, psychological and mental function declines [3,14,31,35,43-45]. Maintenance of physical function and pain management might be important for older adults with fear of falling. Several authors reported that exercise programs, including strength training, balance, endurance, mobility, and Tai-Chi programs decrease fear of falling in older adults [39,46-48]. Conclusions FOF is a major health problem among the elderly population. This review identified a high prevalence of fear of falling among older adults. It prevails in older adults with and without the history of falls. FOF represents a significant threat to socialization, independence and morbidity or mortality. Knowledge of risk factors of FOF may be useful in developing multidimensional strategies to decrease it and improve the quality of life of elderly. Some potentially modifiable risk factors including age, female gender, fall history, having illness, visual problem, depression and loneliness associated with FOF have been identified in the present review. Maintenance of physical function and exercise programs, including strength training, balance, endurance, mobility, and Tai-Chi programs might decrease fear of falling in older adults. Successful management of FOF requires a combined and concerted effort on the part of the treating team. Finally, as an emerging problem, researchers should give more and wide emphasis on fear of falling research. Medical Journal of Clinical Trials & Case Studies Md Sazedur R. Prevalence and Risk Factors of Fear of Falling among Elderly: A Review. Med J Clin Trials Case Stud 2018, 2(11): 000185. Copyright© Md Sazedur R. 4 References 1. Walker JE, Howland J (1991) Falls and fear of falling among elderly persons living in the community: occupational therapy interventions. American Journal of Occupational Therapy 45(2): 119-122. 2. Painter JA, Allison L, Dhingra P, Daughtery J, Cogdill K, et al. 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