INTRODUCTION
The elderly with disabilities are individuals who meet two conditions: disability and the elderly (Foreman, 1998). They are categorized as “age with disability” and “disability with aging” according to the time of the disability (Sheets, 2005; Verbrugge and Yang, 2002). The elderly with disabilities refers to the elderly who experience difficulties inherently or timely, and who are unable to live independently due to diseases or accidents due to aging (Yang and Shin, 2011).
In general, these groups have been reported to have a low quality of life due to physical weakness and deterioration and psychological stress about bad health as well as a variety of health problems (Campbell and Kemp, 1997; Sheets, 2005; Verbrugge and Yang, 2002). Activities of daily living and instrumental activities of daily living, which are closely related to the quality of life of the individual, are underestimated (Yang and Shin, 2011). Therefore, regular physical activity participation is emphasized not only for the elderly but also for the elderly with disabilities. Regular physical activity is an effective method of primary prevention that reduces the chronic diseases such as diabetes, cardiovascular disease, cancer, and osteoporosis, and secondary prevention to delay disease progression (Warburton et al., 2006).
Previous studies have shown that physical activity improves physical functioning in elderly people with arthritis (Mangani et al., 2006) and an positive effect on pain reduction (Tak et al., 2005). In addition, if a person has severe obesity, a level of physical disability can be high, but physical activity can lower the body fat rate and alleviate it (Di Francesco et al., 2005; Rejeski et al., 2010). Furthermore, in the case of the frail elderly, physical activity has positive effects on reducing fear of falls and self-assessment of health conditions (Giné-Garriga et al., 2013; Riebe et al., 2009). As a result of many studies, physical activity can be expected to play an important role in the health of the elderly with disabilities.
However, in the survey of general elderly in Korea, participation rate of physical activity such as mountain climbing and walking was 10.5% and 7.0% (Ministry of Health and Welfare, 2012), and the survey showed that the rate of regular sports activities of disabled people was only 15.8% (Korean Paralympic Committee, 2011). It suggested that the participation rate of physical activity among the elderly with disability would be low. The actual level of participation in physical activity is insufficient compared to the positive effects from regular physical activity participation. Therefore, it is very urgent and important to establish strategies to promote physical activity of the elderly with disabilities. In particular, it would be very meaningful to set up a promotion strategy for elderly people with disabilities who are not yet feeling the need for physical activity or who are still in the preparation stage to start any kind of physical activity.
The study of constraints on the elderly with disabilities showed that the keywords such as facilities, disabilities, programs, transportation, gymnasium, discomfort, opportunities, and leisure activities were related to exercise and it suggested that problems related to perception and environment of participating in physical activity among seniors with disability were existed (Koo et al., 2016a). In a study on persons with physical disabilities, it was reported that lack of space, economic problems, lack of time, and difficulty in finding transportation were the factors limiting the physical activity participation (Koo and Oh, 2012). In particular, the poor health status and the absence of partners were the limiting factors of participating in physical activity among older adults (Mannell and Zuzanek, 1991). In addition, Booth et al. (2000) reported that safety, social support, and accessibility to the physical activity facilities were as predictors of participation in the physical activity of the elderly. In addition, the possibility of independent walking, exercise experience, and possibility of conversation were important factors for participating in physical activity among seniors with dementia (Lee et al., 2011). Therefore, in order to promote the physical activity of the elderly with disabilities who have unique needs in terms of disability and aging, it is necessary to establish strategies based on function and/or structure, activities and participation, as well as individual factors and environmental factors.
This study was based on previous studies such as a systematic literature review on an analysis of physical activity participation facilitators among seniors with physical disabilities (Koo et al., 2016b), restrictions of physical activity participation in older adults with disability (Koo et al., 2016a), and investigating factors for physical activity of elderly with physical disability employing International Classification of Functioning, Disability and Health (Koo et al., 2017) to investigate an individual process of changing exercise behavior and applying that information were developed for physical activity promoting strategies for elderly with disabilities. The concept of change process has been studied as an important predictor to explain the stage of change in behavior and is a cognitive and behavioral activity that individuals use to modify their behavior. This process of change is composed of 10 subvariables: consciousness raising (CR), dramatic relief (DR), environmental re-evaluation (ER), self-reevaluation (SR), social liberation (SL), counter conditioning (CC), helping relationship (HR), reinforcement management (RM), self-liberation (SeL), and stimulus control (SC) (Prochaska et al., 1988).
The purpose of this study was to develop physical activity promotion strategies for sedentary disabled older adults who were in the stage of precontemplation, contemplation, and preparation utilizing the transtheoretical model for their health and healthy lifestyle. The results from the study will provide useful information for older adults with disabilities, family members who take care of disabled seniors, policy makers, practitioners, and researchers.
MATERIALS AND METHODS
Study procedures
Based on the data collected through the preliminary studies and the survey results of the changes in the exercise behavior of the elderly with disabilities, three researchers and four research assistants developed promoting physical activity strategies for the elderly with disability. The strategies were verified by 22 experts and they were revised based on the verification results. In addition, the methods and results were presented at the American College of Sport Medicine Annual Meeting in 2016 to receive any valuable feedback. The process of the study is shown below Fig. 1.
Study subjects
To develop physical activity promotion strategies for the elderly with disability, the participants of this study were sampled from the elderly with disability (over 60 years old) employing the convenience sampling who had physical disability and/or brain lesions and who were at one of the stages of change for physical activity: precontemplation, contemplation, and preparation. Researchers visited the elderly welfare centers and the welfare centers for the disabled from May to June, 2014 to collect data. Researchers explained the purpose of the study and the data was collected from the elderly with disability who voluntarily agreed to participate in the study. The demographic characteristics of the participants are shown in Table 1.
The validity of the proposed physical activity promotion strategies was conducted by the expert group. The 22 experts were selected from each field that was closely related to in this study including a rehabilitation specialist, six professors and specialists in the field of special physical education and aging and physical activity, a professor in the area of social welfare and 14 exercise leaders working for the elderly with disability.
Measurements
The stages of changes for exercise behavior and processes of exercise behavior change were used for collecting data. The stages of changes for exercise behavior which employed by Cardinal et al. (1998) were translated into Korean. Additionally, the survey items were used from processes of exercise behavior change scale by Nigg et al. (1999) based on the concept of change process proposed by Prochaska and Diclemente (1983), and translated it into Korean (Kim, 2002). The questionnaire consisted of 10 factors including CR, DR, ER, SR, SL, CC, HR, RM, SeL, and SC. 5-likert scale from ‘strongly agree (1 point)’ to ‘strongly disagree (5 points)’ were used and then analyzed by reverse scoring. The internal consistency reliability Cronbach α value was ranged from 0.718 to 0.881. and Cronabch α value for each factor is shown in Table 2.
Statistical analysis
Frequency analysis and descriptive statistical analysis with IBM SPSS ver. 18.0 (IBM Co., Armonk, NY, USA) were used to analyze all the collected data. In addition, one-way analysis of variance (ANOVA) was performed to investigate the difference between the processes of exercise behavior change according to the stages of change for exercise behavior, and then scheffe was conducted to find out which pairs of means were significant.
RESULTS
Each level of exercise behavior changing process
In this study, the promotion strategies were limited for the elderly with disabilities in the physical activity behavior change stage of precontemplation, contemplation, and preparation, which was thought to require more facilitation strategies than the older adults with disabilities who was in the stage of action and maintenance. Table 3 shows the results of the behavior change process based on the stage of physical activity behavior change.
As shown in Table 3, in the stage of precontemplation, ER, RM, SR, DR were appeared in order, and in the stage of contemplation, RM, SeL, ER, SR were appeared to be important in the process of exercise behavior change. Additionally, SR, ER, SL, RM, SeL were showed in order in the stage of preparation. The results of the ANOVA analysis are summarized in Table 4.
As shown in Table 4, among the sub-factors of exercise behavior change, there are significant difference in CR (F=7.299, P<0.01), DR (F=4.309, P<0.05), SR (F=5.372, P<0.01), SL (F=8.729, P<0.001), SeL (F=8.396, P<0.001), and SC (F=7.976, P<0.01). However, there was no significant difference in ER, CC, HR, and RM. The results of the Scheffe analysis on the factors showing significant difference between groups demonstrated that the preparation stage in CR, DR, and SC were higher than the precontemplation stage. SR and SL were higher in the preparation stage comparing with the precontemplation stage and the contemplation stage. Additionally, SeL was higher in the contemplation and preparation stages comparing with the precontemplation stage. This result was consistent with the previous study (Lee, 2004), in which people who were in the contemplation stage comparing with the precontemplation stage and the preparation stage comparing with the contemplation stage employed more the change process.
Expert validity check on exercise behavior changing strategies
Based on this study results related to each exercise behavior change process, the researchers conducted five in-depth meetings to develop a draft of physical activity promotion strategies in each stage of precontemplation, contemplation, and preparation. Then the developed strategies were checked their validity from the experts in the fields and academia. In the validity check, the score was selected from 1 to 5 points for validity at each stage, and additional comments were collected. The results are as follows. The averages were found to be relatively valid as 3.95±0.84 for the precontemplation stage, 4.09±0.81 for the contemplation stage, and 4.05±0.65 for the preparation stage. The following is the results of the validity check for physical activity promoting strategies for each stage of the exercise behavior change (Table 5).
The additional opinions from the experts about promotion strategies in each stage of exercise behavior change were summarized and the comments are as follows (Table 6).
Strategies for promoting physical activity of the older adults with disabilities
Based on the validity check and the expert comments, the modified physical activity promotion strategies for each stage of exercise behavior change for the elderly with disabilities are as follows.
In the precontemplation stage (Table 7), the benefits from participating in regular physical activity such as physical and mental health, reduction of medical expenses, and increasing positive emotions should be continuously informed. Health professionals including physicians should deliver the reliable messages that physical inactivity lifestyles could bring various health problems and the burden on families and the society. Local health care and physical activity authorities should draw attention to physical activity through public relation projects for elderly people with disabilities. It is also necessary for the physician to persuade their elderly patients to participate in the physical activity during the physical examination. In addition, it is important to educate guardians of older adults with disabilities because the guardians could play a big role to help and give an advice to seniors with disabilities.
It provides an opportunity to experience not only the cognitive approach but also the refreshing mood and health benefits of physical activity. At this time, the experience of physical activity can induce interest, reduce uneasiness, and can play a big role in changing thoughts about physical activity. The government and health care organizations provide frequent opportunities to enjoy easy and safe physical activity programs for the seniors with disabilities. Also, demonstrating a healthy disabled elderly who can regularly participate in physical activity as a model, let the seniors with disabilities learn how to overcome the difficulties of doing physical activities and encourage them to have healthy lifestyles.
At the contemplation stage (Table 8), it helps to motivate the seniors with disabilities to participate in physical activities by continuously recognizing the necessity of physical activity for maintaining their health and by seeing the peer participating in physical activity or by exposing the peer to exercise with exercise instructor. In addition, the ways from different angles to recognize and reinforce older adults with disabilities about the positive aspects of regularly participating in physical activity such as health maintenance and improvement, physical function recovery, delayed aging, formation of self-reliance, acquisition of opportunities for social networking, and quality of life of the family should be found and implemented. When opportunities or guidance of physical activity are provided, older adults with disabilities can select from several alternatives depending on the situation, condition, and circumstances.
It also encourages family members, such as spouses, children, and relatives, to build support systems that are tailored to the individual circumstances in which they are able to participate in physical activity, while encouraging family members to participate in physical activity programs with the disabled seniors and give them positive messages and courage. At this time, it helps to rebuild and recreate the negative experience of physical activity that has been acquired due to disability or other reasons as a positive experience. It is also desirable to motivate the disabled older adults to participate in physical activity programs with people who have similar types or degrees of disability or with their peers, thereby motivating them to participate in physical activity and building a social network.
In the preparation phase (Table 9), the elderly with disabilities should be provided with a positive experience of physical activity. It is necessary to construct appropriate physical activity programs based on the type and degree of disability of the elderly with disabilities. Also, providing institutional systems that can secure accessibility and mobility of disabled elderly people to participate in the physical activity program is important and necessary information of accessibility and mobility should be provided. Problems with Physical function and lack of facilities to meet different types of disability make it more difficult for older adults with disabilities to participate in physical activity, so the least restrictive environment should be provided. When the disabled elderly people participate in physical activity, health professionals help them to reconfigure and have a new understanding of emotional and cognitive aspects of their own problems so that they can have the belief that they can be physically and mentally healthy.
Furthermore, it is important to note that accomplishments at the beginning of the preparation phase have a positive impact on ongoing participation, and encourage the disabled seniors to develop their own achievable goals. Older people with disabilities should set specific goals, establish realistic long- and short-term goals, evaluate the goals on their own, and participate in the design of physical activity programs. It is necessary for elderly people with disabilities to clarify the goals they want to accomplish and to encourage them to achieve their goals. In the case of short-term goals, it is necessary to establish measurable and concrete goals such as ‘exercise twice a week’ for employing their own psychological feedback.
Finally, the promotion strategies of the elderly people with disabilities need general administrative support, institutional system construction and policy support. We found out that on the basis of these system, various fields of expert groups complementarily cooperating could promote the physical activity behavior changes of the elderly with disabilities. In other words, it is necessary to constantly check and publicize the actual concerns for the seniors with disabilites from the stage of precontemplation to preparation and to employing elderly peer groups would be influential. When the results from the study continuously apply and maintain for older adults with disabilites, it may be possible to induce disabled elderly people to regularly participate in the physical activity for their quality of life.
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