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PubMed2006

Key functional characteristics in designing and operating health information websites for user satisfaction: an application of the extended technology acceptance model.

OBJECTIVE: With growing demand for health information and rapid development of information technology, health information websites are emerging as the most effective media to meet the public's needs for health information. This article is intended to offer a technical view on the design and operations of health information websites. Along this line, employed here is the Technology Acceptance Model (TAM), which has been widely used to predict user acceptance based on Perceived Ease-of-Use (PEOU) and Perceived Usefulness (PU). METHODS: We extend the original TAM by including some exogenous variables since it is necessary to understand the role of the antecedents of acceptance constructs when designing an effective health information website for improving user satisfaction. This study focuses on identifying the core functional factors in designing and operating health information websites. Conducted are some multivariate statistical analyses based on data from an extensive survey. RESULTS: The results from the structural equation analysis suggest that functional characteristics should be categorized into three groups: one affecting PU and PEOU, another affecting only PEOU, and the other having no direct effect on either PU or PEOU. In particular, 'usage support' and 'customization' are two key functional characteristics in the extended TAM framework for health information websites. CONCLUSION: Contrary to expectations, however, the direct effect of PEOU on usage support is hardly observed, which differentiates health information websites from other commercial websites like online shopping malls. As a result, understanding the antecedents of PU takes on more significance.

Access to Information↗
PubMed2006

Acceptance and cognitive load in a clinical setting of a novel device allowing natural real-time data acquisition.

INTRODUCTION: This paper reports the findings of an evaluation study in the field of human-computer interaction about the use of a new data acquisition device, the digital pen. It focuses on specific aspects of the interaction between the users and the technology: the cognitive burden induced by the design of the tool in real conditions of use and its impact on user acceptance. METHODOLOGY: Human cognition is embedded in a complex sociocultural world. Therefore, we opted for ethnographically informed investigations reinforced by a satisfaction survey. The work context chosen for these investigations was the emergency room triage process. RESULTS: The technology meets a high acceptance (median 3 on a [-5,5] scale) shaded by unexpected additional cognitive burdens. These burdens originate in several technological and ergonomic flaws that have been discovered during the observations. These results have been used to improve the technology. CONCLUSION: We demonstrate the importance of this kind of field study to uncover unexpected possible sources of failure of acceptance of a new technology. Such kind of study should be held prior to the introduction of a new technology to lower the common failure rate encountered in the field of medical informatics.

Attitude to Computers↗
PubMed2006

Sensory evaluation ratings and melting characteristics show that okra gum is an acceptable milk-fat ingredient substitute in chocolate frozen dairy dessert.

Reducing dietary fat intake may lower the risk of developing coronary heart disease. This study examined the feasibility of substituting okra gum for 25%, 50%, 75%, or 100% milk fat in frozen chocolate dairy dessert. Fifty-six consumers evaluated the frozen dairy desserts using a hedonic scale. Consumers rated color, smell, texture, flavor, aftertaste, and overall acceptability characteristics of all products as acceptable. All ratings were similar among the products except for the aftertaste rating, which was significantly lower for chocolate frozen dairy dessert containing 100% milk-fat replacement with okra gum compared with the control (0% milk-fat replacement) (P<0.05). Whereas melting points of all products were similar, melting rates slowed significantly as milk-fat replacement with okra gum increased, suggesting that okra gum may increase the stability of frozen dairy desserts (P<0.05). Overall, this study shows that okra gum is an acceptable milk-fat ingredient substitute in chocolate frozen dairy dessert.

Abelmoschus↗
PubMed2006

Acceptability as a key determinant of client satisfaction: lessons from an evaluation of adolescent friendly health services in Mongolia.

PURPOSE: The primary focus of this study is to investigate which characteristics of health service quality are most likely to determine client satisfaction with health services among adolescents in Mongolia. METHODS: Data were gathered from 1301 male and female clients. Exit interviews were used to measure client satisfaction; 82 clinics were visited. All clients between the ages of 10 and 19 years were asked to participate in the client exit interview; those who agreed to participate completed the questionnaire. Bivariate and multivariate analyses were conducted to determine significant associations between service satisfaction and the independent variables. All variables showing a significant bivariate association with service satisfaction (p < or = .05) were retained for logistic regression analyses. RESULTS: The strongest determinant to client satisfaction related to acceptability: adequate facility physical environment, receiving adequate information about the facility, and if the facility was private (i.e., other people didn't know the services the client received). Additionally, clients who said they received some interruptions, either by other health workers or clients, were significantly less likely to be satisfied with the services. CONCLUSIONS: This study demonstrates the importance of understanding and measuring different aspects of health service quality in defining client satisfaction. Although both accessibility and acceptability of services have been shown to be important in other studies, characteristics relating to acceptability emerged as critical in determining client satisfaction among adolescents in Mongolia. Efforts to improve health service delivery to adolescents need to understand and address the "adolescent friendly" characteristics that are most salient, and least fulfilled, in each particular context.

Adolescent↗
PubMed2005

Members of research ethics committees accepted a modification of the randomized consent design.

BACKGROUND AND OBJECTIVE: The use of randomized consent designs has been subject of methodologic and ethical controversy. In most Western countries, research ethics committees make the decision as to whether a randomized consent design can be applied. The purpose of the study is to assess to what extent a randomized consent design and a modification of this design is accepted by research ethics committees, in terms of ethics, health law, and methodology. METHODS: A postal survey was conducted among members of research ethics committees in the United Kingdom, and in The Netherlands, with professional competence in ethics, (health) law, methodology, or clinical practice. RESULTS: In both the UK and in The Netherlands, the modified randomized consent design appears to be statistically significantly more acceptable than the randomized consent design, with respect to ethical and judicial aspects. The overall rejection rate of the randomized consent design was 66% in the UK and 59% in The Netherlands. However, the modified randomized consent design was rejected by 47 and 41% in the two countries, respectively. CONCLUSION: the modified randomized consent design appears to be more acceptable than the randomized consent design. To increase consistency in the way research ethics committees handle study protocols, a discussion about the use of randomized consent designs appears necessary.

Ethics Committees, Research↗
PubMed2006

A new preference-based analysis for randomized trials can estimate treatment acceptability and effect in compliant patients.

BACKGROUND AND OBJECTIVES: Development of a new method of analysis to evaluate the acceptability of (or preferences for) the treatments in a randomized trial, and the benefit of treatment among compliers. MATERIALS AND METHODS: We characterize trial participants through the groups who would: accept either treatment if offered (compliers); refuse one treatment but accept the other if it is offered to them (two groups of preferers); or prefer one treatment and insist on it if it is not offered to them initially (two groups of insisters). RESULTS: We show that in our framework, one can always estimate the proportions of patients in these five preference groups. However, constraints are required to estimate the corresponding outcome rates, and thus estimate the treatment effect in the compliers. We propose two possible sets of constraints and illustrate them by numerical examples. CONCLUSIONS: The traditional intention-to-treat analysis avoids biases associated with the alternative per-protocol or as-treated approaches, but it provides imperfect information about the expected treatment effect among patients who are committed to taking the treatment. Many physicians and patients want to know the expected benefit if they adhere to the therapy. Our preference-based analysis provides an estimate of treatment benefit among such patients.

Carotid Stenosis↗
PubMed2006

Longer response scales improved the acceptability and performance of the Nottingham Health Profile.

OBJECTIVE: To test alternative response formats for the Nottingham Health Profile (NHP), in terms of acceptability, score distributions, and measurement properties. STUDY DESIGN AND SETTINGS: Randomized trial of four response formats for the NHP: original "yes/no" format, a 3-point similarity format ("applies completely/in part/not at all"), a 5-point intensity format ("completely true" to "completely false"), and a 5-point frequency format ("all the time" to "never"). Respondents were patients discharged from a hospital. We compared scores distributions, reliability coefficients, correlations with dimension-specific numerical scales, and patient ratings of the instrument. RESULTS: Response rates were similar for the four versions. The original response format had the fewest fully completed questionnaires, and the largest ceiling effects. Internal consistency and test-retest coefficients were acceptable for all versions, but were higher for the two 5-point formats. Correlations reflecting convergent and discriminant validity were higher for the longer response formats than for the original version. The frequency format received the highest ratings from patients, particularly from the sicker and older subgroups. CONCLUSIONS: The psychometric performance and patient acceptability of the NHP can be improved by using a 5-point frequency response format instead of the original dichotomous response format.

Activities of Daily Living↗
PubMed2006

Environmental acceptability of beneficial use of waste as construction material--state of knowledge, current practices and future developments in Europe and in France.

Since a decade, numerous industrial and public initiatives have been launched in order to make knowledge, practices and mentalities evolve in relation to the acceptability of using waste instead of raw material as construction product. The objectives of these initiatives have been to evaluate current practices and to make new solutions and beneficial use channels emerge. At the same time scientific and standardisation communities have developed methodologies and tools to fit with the assessment needs expressed by industrialists and public decision-makers. In spite of that, some factors, some of them being cross-linked, make the perpetuation of beneficial use channels or even the concretisation of research projects difficult. To cope with this situation, in the framework of sustainable development applied to natural and alternative material, the French Directorate of Road has launched a project aiming at providing public contracting authorities with a document gathering both technical and environmental requirements that they can prescribe in public market tender calls to promote the use of waste and out-of-technical-specifications-material. This paper deals with the presentation of this project focusing more specifically on the approach to assess both technical and environmental acceptability of waste and out-of-technical-specifications-material to be used as alternative material in road construction in France. The current European situation is first described and this paper finally discusses briefly the other key aspects--than environmental acceptability--that have to be taken into account to succeed waste beneficial use.

Construction Materials↗
PubMed2006

Tolerance and acceptability of 14 surgical and hygienic alcohol-based hand rubs.

Tests were performed under working practice conditions to measure the tolerance and acceptability of commercially available hand rubs with proven efficacy. The products were compared with those in current use at the Hospices Civils de Lyon for surgical hand disinfection (Sterillium) and hygienic hand disinfection (Purell) to obtain information for public sector purchases. The 12 test products were Alcogel H, Assanis Pro, Clinogel, Dermalcool, Manugel Plus, Manugel Plus NPC, Manurub Liquid, Manurub Gel, Purell 85, Spitacid, Spitagel and Sterillium Gel. They were tested from mid-November to mid-April over four periods of three weeks, separated by two-week intervals during which the customary product was re-introduced. Participation of hospital wards and theatres was voluntary. Skin dryness and irritation were scored before and after each test period. Acceptability and ease of use were assessed by means of a questionnaire. Among the eight surgical hand rubs, only Manurub Liquid, Manurub Gel and Manugel Plus NPC did not cause significantly more dryness and irritation than Sterillium. For the 10 hygienic hand rubs, differences were noted depending upon the test period. Overall, Assanis Pro, Clinogel, Purell 85 and Sterillium Gel did not cause significantly more dryness and irritation than Purell. However, over the (colder) first three test periods, Assanis Pro and Sterillium Gel caused more irritation and Purell 85 caused more dryness than Purell. Responses to the questionnaires on acceptability indicated that users preferred their customary hand rubs (Sterillium and Purell). As these field tests involving many participants did not identify any superior products, previous purchase orders were renewed.

Alcohols↗
PubMed2004

Acceptable, manageable, and tolerable days: patient daily goals for medication management of persistent pain.

Although the construct of "a symptom-free day" has been widely applied in asthma and gastric reflux disease, there is no analogous concept in the field of pain management. This study represents the initial development of a "day of acceptable or manageable pain control," a construct which reflects patients' daily strategic use of pain medication in order to allow the accomplishment of desired activities while minimizing side effects. Focus group methodology was used to extract patient-generated themes of "an acceptable day of pain control." Fifty-three outpatients with persistent moderate to severe average pain intensity due to osteoarthritis (n=18), metastatic cancer (n=15), and low back pain (n=20) participated. Participants preferred the term "manageable" or "tolerable" to "acceptable." Thematic analysis revealed components of a manageable/tolerable day of pain control as including: 1) taking the edge off the pain, 2) performing valued activities; 3) relief from dysphoria and irritability; 4) reduced medication side effects; 5) feeling well enough to socialize. Additional cancer-specific themes included relief from fatigue and ability to have a positive day when one's future days were perceived as being limited. The set of themes is presented and their relevance for developing a measure of "a manageable day of pain control" discussed. Study findings identify a novel construct that can inform development of an outcome for evaluating the effectiveness of different pharmacotherapies for pain management.

Adult↗
PubMed2005

Effects of thickened beverages fortified with inulin on beverage acceptance, gastrointestinal function, and bone resorption in institutionalized adults.

OBJECTIVES: We wanted to develop thickened beverages that contain soluble fiber (inulin) with acceptable consistency, taste, and texture and to determine the effects of these beverages on bone resorption markers (to determine calcium retention), bowel frequency, and indicators of gastrointestinal function in institutionalized adults bound to wheelchairs. METHODS: A double-blind, 3-wk, cross-over study testing 13-g/d inulin-fortified versus isocaloric standard modified starch-thickened beverages was conducted in institutionalized adults who were bound to wheelchairs and had dysphagia or did not have dysphagia. Beverage acceptability, as assessed by discriminative and descriptive sensory testing, bowel frequency, fecal output, and laxative use, were determined by direct testing or by nursing charts. Bone resorption was measured by using the urinary excretion of fasting calcium and of cross-linked N-telopeptides of collagen. RESULTS: Sensory panelists were unable to detect a difference between beverages thickened with modified starch and those fortified with inulin. Few differences were found between the control and inulin-fortified beverages for sensory descriptors. No significant difference was found in frequency of bowel movements between treatments; however, weighted bowel movement frequency increased by 13% with inulin (P < 0.01), whereas enema and laxative administration decreased by 13% (P < 0.05). Bone resorption, as an indicator of calcium retention, remained unchanged. CONCLUSIONS: Inulin was incorporated into thickened beverages, with no decrease in acceptability; when consumed, perceived stool output increased in residents of long-term care facilities.

Adult↗
PubMed2005

Possible selves in chronic pain: self-pain enmeshment, adjustment and acceptance.

The aim of this study was to test whether enmeshment of self and pain predicted adjustment (depression and acceptance) in a chronic pain population. 89 chronic pain patients completed standardized self-report measures of depression and acceptance and generated characteristics describing their current actual self, hoped-for self and feared-for self, and made judgments about the degree to which their future possible selves (hoped-for and feared-for) were dependent on the absence or presence of pain, i.e. enmeshed with pain. Hierarchical multiple regression analyses showed that after accounting for the influence of demographics (age, gender), pain characteristics and the degree of role interference attributable to pain, the proportion of hoped-for self characteristics that could be achieved even with the presence of pain predicted the magnitude of depression and acceptance scores. The findings are discussed with reference to the enmeshment hypothesis and theories of self-discrepancy, self-regulation and hopelessness.

Adaptation, Psychological↗
PubMedDate not supplied

Behavioral function effects on intervention acceptability and effectiveness for self-injurious behavior.

A variety of variables have been found to augment perceived social validity of behavioral interventions. In the present study, potential effects of behavioral function were evaluated. Sixty students inexperienced in work with people with mental retardation, and 60 experienced staff watched one of two carefully matched acted videos depicting self-injury maintained by attention or escape from task demands. Participants were also told whether the self-injury depicted typically led to mild or severe consequences for the person filmed. Participants rated six interventions in terms of their acceptability and effectiveness for the behavior depicted. A hierarchy of acceptability was replicated: reinforcement-based procedures were rated as more acceptable and effective. There were also effects of behavior severity and rater experience. However, few effects of behavioral function were found. Potential implications of staff undifferentiated attitudes towards functional treatments are discussed.

Adolescent↗
PubMed2005

What determines the acceptability of genetically modified food that can improve human nutrition?

It has been predicted that by 2025 there will be an annual shortfall of cereals for feeding the human population of 68.5 million tones. One possible solution is the use of genetically modified (GM) crops, which are already grown extensively (59 million ha of GM crops were planted in 2002) in the USA, South America, Africa and China. Nevertheless, there is considerable disagreement about the advisability of using such crops, particularly in Europe. Obviously, the safety of the food derived from the GM crops is a primary consideration. Safety assessment relies on establishing that the food is substantially equivalent to its non-GM counterpart and specific testing for allergenicity of proteins and toxicity of metabolites and the whole food. There appears to be international agreement on the principles of safety assessment. Safety to the environment is equally important, but will not be covered in this presentation. The public's perception of the risk of new technology is critical to its acceptance. Perception of risk, in turn, depends on the credibility of the source of the information and trust in the regulatory process. In many countries, the public appears to have lost its trust in the scientists and government dealing with GM food, making the acceptability of GM crops uncertain. Of equal importance are the socio-economic factors that impinge on the viability of GM produce. These include intellectual property protection, trade liberalization (through subsidy and tariff barriers in developed countries) and the intensity of bio safety regulations. The socio-economic interests of developed and developing countries may diverge and may even be contradictory in any one country. Acceptance of GM crops will thus depend on detailed issues surrounding particular crops and economies.

Commerce↗
PubMed2005

Acceptance criteria of pancreas grafts: how do surgeons decide in Europe?

OBJECTIVES: Some donor factors, such as age, cause of death, and obesity, affect the outcomes of pancreas transplantation. Donors with a high-risk profile are usually not declined for pancreas donation. The purpose of our study was to investigate differences between accepted and refused pancreata after being procured and offered. METHODS: In a retrospective study we analyzed all offered pancreata (n = 1360) in the "Eurotransplant Area" between May 25, 2002 and September 18, 2003. Included in this study were 525 pancreata transplanted (38.6%) and 608 pancreata refused for medical reasons (44.7%). A total of 227 pancreata (16.7%) refused for other than medical reasons were excluded from this analysis. RESULTS: The significant differences in the donor profiles between transplanted and refused pancreata were cause of death (P < .001), donor age (P < .001), body mass index (BMI, P < .001), serum lipase and amylase (P < .05) at the time of procurement, and a history of smoking (P = .001) or alcohol abuse (P < .001). No differences were found for serum sodium (P = .188), blood leukocytes (P = .349), serum glucose at the time of procurement (P = .155), amylase and lipase at the time of admission (P = .34; P = .758), and vasopressor use at the time of admission or at the procedure (P = .802; P = .982). CONCLUSION: Even after procuring and offering potentially good pancreata, nearly half the organs are refused for medical reasons. Acceptance criteria in the Eurotransplant region reveal a conservative attitude toward pancreas acceptance.

Adolescent↗
PubMed2006

Scoring guide when deciding to accept an organ for a liver transplant.

UNLABELLED: Our objective was establish a scoring system that allows a donor to be evaluated quickly and easily using a set of variables that are evaluated prior to the donation and another set that are evaluated during surgery. MATERIALS AND METHODS: Prior to the donation we analyzed age, medication requirements, natremia, hepatic biochemistry, gas levels, days in ICU, history of hypertension, and weight. A value of 40% was allocated to this group of factors. During the transplant we assessed the characteristics of the organ-shine, consistency, surface, edge, color, presence of steatosis, and atheromatosis. A value of 60% was allocated to this set. We established a scale of 1 to 10, only accepting organs scoring 5 or more points. Those grafts that received a score between 5 and 7.5 points were called suboptimal and those with over 7.5 points, optimal. We prospectively analyzed 133 donors whose organs were implanted. RESULTS: The survival rate at 1 year was 85%, and the rejection rate was 12%. The incidence of primary graft dysfunction was 8.2% (n = 11) and that of primary graft nonfunction 2.2% (n = 3). The incidence of primary graft dysfunction was greater within the group with fewer points (suboptimal). There were no differences between the optimal and suboptimal groups in terms of primary malfunction, survival, or rejection rate. CONCLUSIONS: The score provided a guide to decide whether to accept viable organs for implantation, given that the point system was obtained quickly and easily. When greater than 5, it correlated with low rates of primary nonfunction (<3%) and of primary graft dysfunction (<15%), with acceptable survival at 1 year (>80%) and acute rejections rate (<15%).

Follow-Up Studies↗
PubMed1999

Integrated approaches to management of hypertension: promoting treatment acceptance.

Overwhelming trial evidence indicates that the treatment of hypertension is beneficial, but in practice, less than 50% of treated hypertensive subjects have blood pressure well controlled. The success of treatment relies on acceptance by the patient. Treatment acceptance may be affected by the efficacy and tolerability of drug therapy, its effects on quality of life, and other important but less well-recognized influences such as the expectations and preconceived ideas of the physician and the patient. This report briefly reviews the factors affecting patient concordance with antihypertensive treatment and the role these factors play in the development of an integrated treatment plan. Nonconcordance with drug therapy is common: Only one third of patients always take treatment, one third take it sometimes, and one third never take their prescribed medication. With poor concordance, control of blood pressure and the consequent benefits are less likely to be realized. The factors that influence concordance are ill understood. Although drug side effects and convenience of dosing regimens are contributors, the attitudes of patients, physicians, and their interactions are likely to be of considerable importance. Concordance may be improved by involving the patient in the treatment plan, setting explicit targets, following a clear treatment plan, motivating the patient to comply with treatment, paying attention to the concerns and particular needs of the individual patient, and by ensuring frequent contacts between patients and health care professions. Successful integrated approaches to the management of hypertension must address all the factors that affect treatment acceptance.

Antihypertensive Agents↗
PubMed2002

Contraceptive failure--results from a study conducted among women with accepted and unaccepted pregnancies in Denmark.

Most studies focusing on contraceptive failure in relation to pregnancy have focused on contraceptive failure among women having induced abortions, thereby neglecting those women who, despite contraceptive failure, accept the pregnancy and intend to carry the fetus to term. To get a more complete picture of the problem of contraceptive failure, this study focuses on contraceptive failure among women with diverse pregnancy outcomes. In all, 3520 pregnant women attending Odense University Hospital were included: 373 had induced abortions, 435 had spontaneous abortions, 97 had ectopic pregnancies, and 2614 received antenatal care. The variables studied comprise age, partner relationship, number of births, occupational and economical situation, and contraceptive use.Contraceptive failure, defined as contraceptive use (condom, diaphragm, IUD, oral contraception, or another modern method) at the intercourse where conception most likely occurred, were reported by 315 women, 52% of these women had induced abortions, 10% had spontaneous abortions, 3% had ectopic pregnancies, and 36% received antenatal care. Women aged 15-24 years were more likely to have experienced contraceptive failure in relation to use of condom and oral contraception than women aged 25-34 years. In addition, contraceptive failure was found to be associated with being single, a student, and having given birth twice or more previously. Regarding pregnancy acceptance, being 25-34 years of age was positively associated, whereas being single and a student was negatively associated with pregnancy acceptance.

Abortion, Induced↗