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Kathleen J. Farkas PhD Case Western Reserve University, Mandel School of Applied Social Sciences
Laurie Drabble PhD, San Jose State University, School of Social Work.
Cohort issues will loom large in the area of social work practice in the addictions over the next several decades. The presence of an increasing number of older adults in the AODA treatment arena will create a moving target for social work educators and professionals. The characteristics of the current cohorts of older adults may or may not resemble those of future cohorts. For example, it is not clear if patterns of alcohol and drug use will drop in future cohorts as they traditionally they have in older cohorts. Advances in health care and preventative medicine may change the incidence in the health problems that traditionally motivated older people to decrease their use of alcohol and other drugs. Today’s middle-aged cohorts are accustomed to using pharmaceuticals, both prescription and over the counter, to treat a variety of illness and discomforts. Alcohol and illicit drugs have also been part of life for the “baby boom” generation, and alcohol and drugs are expected to be part of later life for this group. One indication of this trend is the increasing proportion of older patients in methadone treatment programs (Rosen, Smith, & Reynolds, 2008).
The number of older adults who belong to minority ethnic/racial identity groups is on the rise. By 2050 the Census Bureau predicts that 21% of people older than 65 will be a member of a minority group and that African Americans will constitute a large proportion of that population (Ford & Hatchett, 2001). Older populations of Asians and Latinos are also expected to increase as are the number of people who openly self-identify as gay or lesbian.
Social work professionals in the addictions must refine their skills to address issues of culture and ethnicity in their work with older adults. Instead of using a narrow range of cultural variables, professionals will need to adopt a greater range of diversity options in the categories of economics, sexual orientation, education, religion, and ethnic origin (Yali & Revenson, 2004).
Substance use, misuse, abuse, and dependence can be placed along a continuum ranging from total abstinence to psychological and physiological dependence (Doweiko, 2002; McNeese & DiNitto, 2005). Definitional issues often blur the lines among and between continuum categories. The Diagnostic and Statistical Manual of Mental Disorders Fourth Edition Text Revision (DSM-IV-TR) (American Psychiatric Association, 2000) terminology presents problems for detection and diagnosis of substance use problems among older adults. However, DSM-IV-TR does offer standardization of definition and terminology from which to begin a discussion of substance use/abuse/dependence among older adults.
In comparison to younger age groups, relatively little attention has been paid to the issues of substance use and abuse among older adults. Over several decades theorists have discussed drug and alcohol use as a self-limiting disease so that addicts “mature out” before later life (Menninger, 2002). However, evidence indicates that current cohorts of older adults experience substance-related problems and disorders. In fact, substance abuse among older adults has been labeled “an invisible epidemic” (U.S. Department of Health and Human Services, 1998). The number of older adults with substance-related problems is expected to increase rapidly and dramatically over the coming decades. This demographic trend signifies an important area for researchers and practitioners, since it strongly suggests an increased need for substance abuse treatment services over the next 15 or so years (Korper & Council, 2002; Bartels, Blow, Brockman, & Van Critters, 2005; Bartels, 2006).
Both demographic trends and epidemiological studies indicate an increase in the numbers of older adults with possible accompanying changes in the use patterns of both legal and illegal substances. Korper and Rasken (2003) forecast an escalation from the approximately 1.7 million current dependent and abusing adults over age 50 to 4.4 million by 2020. Bartels (2006) describes this age cohort change as a “demographic tsunami” that will require additional attention to issues of substance use and commonly occurring mental disorders such as depression. Studies of clinical populations, especially those in health clinics and nursing homes, have yielded higher estimates of substance abuse than representative samples of community dwelling older adults (Callahan & Tierney, 1995). Setting, definitions of use categories, and age categorizations are all important for understanding epidemiology of substance use, misuse, abuse, and dependence.
Future prospective epidemiological research will need to include adequate samples of older adults (50+) as well as standard definitions for substance use (Johnson, 2000). Prevalence rates for substance use and abuse range widely depending on setting and population (Bartels, Blow, Van Citters, & Brockmann, 2006), and differences between community-based and institutionally-based prevalence studies need to be carefully interpreted. Few epidemiological studies have examined gender or racial/ethnic differences in substance use (Cummings, Bride, & Rawlins-Shaw, 2006). However, the National Survey on Drug Use and Health (NSDUH) is an important source of information on the emerging trends of substance use, misuse, abuse, and dependence among older adults.
Alcohol is the most commonly used and abused substance among all age groups in the United States. Alcohol use and abuse is less common among older adults than younger age groups, and approximately 60% of current cohorts of older adults are abstinent. However, larger percentages of people moving into later life have used alcohol through their lives and are expected to continue to drink alcohol as they age. Even though alcohol-related problems are not as common among older adult populations, a significant number of older adults experience substance-related problems, and problems can occur at low levels as well as higher levels of alcohol use.
The National Epidemiological Survey on Alcohol and Related Conditions (NESARC) is based on a representative sample of the U.S. population and provides estimates on alcohol and drug use, abuse, and dependence, and associated disabilities. NESARC’s design is a longitudinal study of 43,093 non-institutionalized Americans. Older adults are represented in this study and provide a base for studies focused on late life use and abuse of alcohol and drugs and on associated problems. Although most publications based on NESARC data are not focused on older adults, they provide important questions for future research on alcohol and drug use among this group. Of particular note are studies of life course trajectories (Sher, Gothan, & Watson, 2004), studies of alcohol dependence subtypes (Moss, Chen, & Yi, 2007), alcohol treatment utilization (Cohen, Feinn, Arias, & Kranzler, 2007), the relationship of transitional life events on recovery (Dawson, Grant, Stinson, & Chou, 2006); and the relationships between drinking patterns and co-occurring disabilities (Dawson, Li, & Grant, 2007; Saha, Chou, & Grant, 2006).
For substance abuse treatment professionals, today’s older adults do not constitute a large percentage of their client population and this is particularly true for minority older adults. However prevalence studies indicate that a proportion of older adults use alcohol and experience problems related to drinking. Given the demographic changes in the U.S. age structure in the next 10-15 years and the cohort changes in alcohol use, social workers must be prepared to screen and treat alcohol-related problems among older adults with a special emphasis on members of racial ethnic, and sexual orientation identity groups. Acculturation and acculturative stress and the use of substances among older adults are also important areas of interest.
The National Institute on Alcohol Abuse and Alcoholism (NIAAA) and the Center on Substance Abuse Treatment (NIAAA, 1995; U.S. Department of Health and Human Services, 1998) have issued age-specific drinking guidelines to decrease alcohol-related vulnerabilities and to recognize the evidence on beneficial health effects of drinking, especially for males (Chermack, Blow, Hill, & Mudd, 1996). These guidelines recommend that men age 60 and older consume no more than one standard drink per day or seven standard drinks per week and no more than two standard drinks on any drinking day. For women the limit is less than one standard drink per day. However, when Blow and colleagues (2000) conducted a large cross-sectional study of 37 primary care clinics to determine the relationship between alcohol consumption and health function among older adults, they found that the relationship between health function and alcohol consumption was complex. Low-risk drinkers fared better than abstainers on measures of physical and psychosocial health. At-risk drinkers did not necessarily have poor physical health function, but at-risk drinkers showed poorer mental health functioning than low-risk drinkers. In a sample of 8,883 older people enrolled in a community insurance plan, Pringle and colleagues determined that ill health most often preceded reductions in alcohol use (Pringle, Heller, Ahern, Gold, & Brown, 2006). Evidence on health conditions and alcohol consumption from a large population-based cohort study has raised the need for additional studies on the relationships between alcohol consumption and disability risk for older men and women (Lang, Guralnik, Wallace, & Melzer, 2007).
The American Lung association has targeted today’s older adults for special attention because of the cohort’s smoking rates and the severity of morbidity and mortality related to tobacco use (2007). Older adults are more likely than younger adults to be chronic smokers with longer histories of tobacco use.
As with alcohol use prevalence studies, there are many unknowns about tobacco use among older adults and how changes in demographics will affect prevalence rates in future cohorts of older adults. For example, it will be important to understand the differences and similarities between tobacco use patterns of men and women in older populations and how those patterns change with age in each cohort. The success of smoking cessation efforts in general points toward hope for declines in tobacco use among older adults.
Illicit drug use includes the use and abuse of marijuana/hashish, cocaine, inhalants, hallucinogens, heroin, or any prescription-type psychotherapeutic drug used non-medically. The literature on the epidemiology of illicit drug use among older adult populations is limited. The lack of standard definitions, the under-sampling of older population groups, and variations across settings all contribute to the lack of information about illicit drug use among older people. Professionals and the general public both are often misinformed about older adults’ use of illicit drugs, and a disproportionate number of people who abuse illicit drugs die prematurely (Neumark, Van Etten, & Anthony, 2000). Illicit drug use among older adults has long been thought of as a relatively rare phenomenon; however, illicit drug abuse is expected to increase with future cohorts (Addiction Treatment Forum, 2003; Simoni-Wastila & Yang, 2006).
The extent to which future cohorts of older adults continue to use marijuana is an area of special interest for substance abuse treatment professionals. Medical use or self medication uses of marijuana by older adults with chronic health problems is another area for further research in the coming cohorts.
Minority group status is confounded with social variables including economic, education, and social opportunities. Studies of minority group status and drug use must be seen in the context of these other social variables and used to develop more effective prevention and treatment options for older minority adults (McNeece & DiNitto, 2005).
The risk for medication non-compliance, defined as the extent to which the patient’s use of medications is in line with the prescriber’s directions, is great among older adults for a number of reasons, including number of medications prescribed, cognitive and communication deficits, inadequate education about the medication’s effects, and increased chance of side effects (Russell, Conn, & Jantarakupt, 2006).
Older adults are more likely than any other age group to use both prescription and over-the-counter medications. Many prescription drugs are counter-indicated with alcohol use. Medication misuse among older adults may be intentional or unintentional. The area of medication mismanagement, especially if it is unintentional, is not one that has been addressed by substance abuse treatment professionals. In treating older adults, professionals will need to be knowledgeable about medications, medication interactions, and possible medication mismanagement problems—both intentional and unintentional.
Herbal and other home remedies have not been included in many studies of drug use among older people. Further research is necessary to understand the role these remedies play in development of medication misuse and substance-related disorders among older people. In addition to prescription medications misuse, herbal remedies are increasing in popularity, especially among specific ethnic groups, and may also be misused. Cultural beliefs and traditional healing and health customs often involve use of substances indigenous to an older adult’s homeland. Many herbal substances may have toxic side-effects, harmful additives, or interact adversely with prescription medications. Some older members of specific cultural groups may depend heavily on herbal remedies even though they may have lived in the U.S. for many years. Traditionally, substance abuse professionals have not addressed medication management and herbal remedy use. However, this is likely to increase as an area of substance abuse treatment among older (and younger) adults in the population.
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