Services on Demand
On-line version ISSN 1518-8787Print version ISSN 0034-8910
Rev. Saúde Pública vol.43 suppl.1 São Paulo Aug. 2009
Prevención del uso de alcohol en la atención primaria en municipios del estado de Minas Gerais, Sureste de Brasil
Telmo Mota RonzaniI; Daniela Cristina Belchior MotaII; Isabel Cristina Weiss de SouzaIII
de Psicologia. Universidade Federal de Juiz de Fora (UFJF). Juiz de Fora, MG,
IIPrograma de Pós-Graduação em Psicologia. UFJF. Juiz de Fora, MG, Brasil
IIIPrograma de Pós-Graduação em Saúde Coletiva. UFJF. Juiz de Fora, MG, Brasil
To evaluate the effectiveness of implementing screening strategies associated
with brief interventions for prevention of alcohol abuse, within primary healthcare.
METHODS: This evaluation study was conducted among 113 primary healthcare professionals and managers in three municipalities in the Zona da Mata of Minas Gerais, Southeastern Brazil, in 2007. The health professionals participated in a training to perform screening associated with brief interventions for alcohol use prevention. Six months after this training, a follow-up evaluation was carried out. The qualitative assessment involved participant observation, interviews with managers before the training and during the follow-up, and focus groups with healthcare professionals during the follow-up. The content analysis technique was applied. The following instruments were used for the quantitative assessment: Objective Knowledge Questionnaire, Moralization Scale for Alcohol Use, Perception Model for Alcohol Use Questionnaire and Preventive Practices for Alcohol Use Questionnaire. The municipalities were compared before the training and during the follow-up, and longitudinal evaluations were performed in each municipality, using descriptive and inferential statistics.
RESULTS: Participation by the managers and integration among the health professionals regarding the practices of screening and brief intervention were associated with greater effectiveness of implementation. This occurred in one of the municipalities, in which there was a significant decrease in the degree to which alcohol use was moralized by the healthcare professionals, in comparison with the other municipalities. In the other municipalities, the effects of the implementation process for the project indicated that the frequency of performing preventive practices against alcohol use increased, along with the health professionals' knowledge, although not enough to indicate effective implementation.
CONCLUSIONS: Effectiveness in implementing alcohol prevention strategies in primary healthcare services is associated with managers' engagement in the implementation process for these strategies.
Descriptors: Alcohol Drinking, prevention & control. Mass Screening. Health Human Resource Training. Health Services. Primary Health Care.
Evaluar la efectividad de la implementación de estrategias de tamizage
asociadas a las intervenciones breves para prevención del uso abusivo
de alcohol en la atención primaria a la salud.
MÉTODOS: Estudio evaluativo con 113 profesionales y gestores de la atención primaria en tres municipios de la Zona da Mata de Minas Gerais (Sureste de Brasil) en 2007. Los profesionales de salud participaron de una capacitación para la práctica de tamizage asociada a las intervenciones breves para prevención del uso de alcohol. Seis meses posteriores a esta capacitación se procedió a evaluación de seguimiento. La evaluación cualitativa envolvió observación participante, entrevistas con gestores en la pre-capacitación y en el seguimiento, y grupos focales con profesionales de salud en el seguimiento. Fue aplicada la técnica de análisis de contenido. Para evaluación cuantitativa fueron utilizados los instrumentos: Cuestionario de Conocimiento Objetivo, Escala de Moralización del Uso de Alcohol, Cuestionario de Modelo de Percepción del Uso de Alcohol e Cuestionario de Prácticas de Prevención del Uso de Alcohol. Fue realizada una comparación entre municipios previo a la capacitación y en el seguimiento y una evaluación longitudinal en cada municipio, por medio de estadísticas descriptivas e inferenciales.
RESULTADOS: La participación de los gestores y la integración entre los profesionales de salud para la práctica de la tamizage e intervención breve estuvieron asociadas a la mayor efectividad de la implementación. Tales factores ocurrieron en uno de los municipios, donde hube reducción no significativa del grado de moralización del uso de alcohol por los profesionales de salud en comparación con los otros municipios. En los otros municipios, los efectos del proceso de implementación del proyecto indicaron aumento en la frecuencia de la realización de las prácticas de prevención al uso de alcohol y en el conocimiento de los profesionales de salud en relación a tales prácticas, a pesar de no ser suficiente para indicar una implementación efectiva.
CONCLUSIONES: La efectividad de la implementación de estrategias de prevención al uso de alcohol en servicios de atención primaria a la salud está asociada al compromiso de los gestores en el proceso de implementación de tales estrategias.
Descriptores: Consumo de Bebidas Alcohólicas, prevención & control. Tamizaje Masivo. Capacitación de Recursos Humanos en Salud. Servicios de Salud. Atención Primaria de Salud.
Alcohol abuse is associated with a great variety of health, social and legal problems.6 In Brazil, the prevalence of alcoholism in the general population is 12.3%ª and 91% of hospitalizations due to dependence are associated with this problem.b In addition to dependence, most of the damage relating to alcohol can be attributed to a broader group of users whose patterns of use are risky or harmful.3 Risky use of alcohol is a consumption pattern that increases the risk of dangerous consequences for such users and for people around them, but does not yet presuppose damage to the individual. Harmful use refers to a consumption pattern that results in physical and mental damage to the individual's health, along with consequences at the social level.6
Thus, early detection of abusive alcohol consumption is fundamental for preventing social and health consequences in the general population. One important tool for defining prevention strategies is screening instruments. Currently, the main screening instrument for alcohol use is the Alcohol Use Disorders Identification Test (AUDIT), a self-reporting instrument that was developed for identifying different patterns of alcohol use. It is easy to apply and correct, with transcultural validation, and was created for actions to prevent risky use.6
Brief interventions can be linked to applications of AUDIT. These are strategies based on motivational approaches for primary or secondary prevention. The focus of the brief intervention is on changing the patient's behavior through attendance provided for a limited time. It can be implemented by professionals with different types of educational background.7,8
These interventions have a low cost and have been shown to be effective for alcohol-related problems. Thus, they have been found to be useful for preventive approaches among individuals who make abusive use of alcohol and they constitute an appropriate means for referring proven cases of dependence for specialized treatment.5
Because primary healthcare reaches the majority of the population, this would be a strategic level of care for applying AUDIT and performing brief interventions. This could be used to diminish the alcohol-related problems among patients at these services.1,16 In small-sized municipalities, the impact of these strategies might be even greater, given that primary care is the main, if not the only form of public health service provision. In such municipalities, the care network does not have a specific service for attending to alcohol users, and thus their patients need to be referred to other municipalities.
Despite the evidence that screening associated with brief interventions is effective for detecting and reducing alcohol consumption, several studies have indicated difficulties in implementing screening with brief interventions within primary care.1,2,16 Healthcare professionals have insufficient training to carry out preventive measures against alcohol use10,15 and their attitude is to place moral blame on alcohol abusers.8 In the light of these deficiencies in their training, capacitation for healthcare professionals is essential for them to be able to implement screening with brief interventions within primary care. Monitoring the process of implementing screening with brief interventions within primary care, following such capacitation, has been correlated with increased effectiveness of the implementation.12,14
The present study had the aim of analyzing the effectiveness of implementing screening strategies associated with brief interventions for preventing alcohol use, at primary healthcare services in small-sized municipalities.
The criteria for selecting the municipalities for participation in this study were that they should be located in the Zona da Mata ("Forest Zone") of the State of Minas Gerais, Southeastern Brazil, have a population of less than 100,000 inhabitants and have teams from the Programa Saúde da Família (PSF Family Health Program) available to participate. For ethical reasons, it was decided not to reveal the names of the municipalities.
Municipality A has around 9,750 inhabitants and three PSF teams; B has around 48,137 inhabitants and eight PSF teams; and C has around 3,846 inhabitants and one PSF team. In view of the small number of PSF teams in municipality C, and because this municipality is influenced by the healthcare network of municipality B, these two municipalities were grouped for the data analysis.
The key informants were the municipal health secretaries and PSF coordinators in each municipality, and these informants were referred to as managers in this study. A total of 113 healthcare professionals who formed part of the PSF teams in the three municipalities between March and December 2007 participated in the study. There were 40 healthcare professionals from municipality A, of whom 20 were community health agents, ten were nursing auxiliaries, three were nurses, three were physicians and four were healthcare professionals in other categories. There were 73 professionals from the other two municipalities, of whom 54 were community health agents, four were nursing auxiliaries, eight were nurses, five were physicians and two were healthcare professionals in other categories. The mean age of the participants from municipality A was 37 years, and 92.5% were female. In the other two municipalities, the mean age was 30 years and 71.2% were females.
An initial contact was made with the managers, to investigate whether the municipalities would join in the projection for implementing strategies to prevent alcohol use. Subsequently, for the present study, a capacitation course on prevention of excessive alcohol use was proposed for the 113 participating healthcare professionals. The duration of the capacitation course was eight hours and it covered the following previously defined subjects: theoretical notions about alcohol use; the importance of practices to prevent risky alcohol use; application of AUDIT and a brief intervention through role-playing techniques; and videos on how to perform screening with brief interventions. During the first month following the capacitation, weekly meetings were held with the PSF teams, along with meetings with the managers. These meetings had the purpose of monitoring the implementation of the project in the healthcare services. Later on, meetings were held monthly until a follow-up assessment was conducted, which took place six months after the capacitation.
In the qualitative investigation, the following procedures were adopted:
- Semistructured interviews with managers in the municipalities were held at the time of the initial contact, in order to identify attitudes and perspectives for work relating to the project.
- Observation of the participants during the six months following the capacitation, at meetings held until the time of the follow-up assessment, through practical learning activities and process evaluation. The researchers were active players during the implementation of the project, and the data observed were recorded in a field diary in order to make systematic reports.
- Semistructured follow-up assessment interviews with the managers, in order to identify factors that facilitated or added difficulties to the implementation of the project.
- Focus groups conducted in each municipality to evaluate the implementation of the project. In municipality A, three community health agents and two nurses participated in the focus groups. In the other two municipalities, one of the focus groups was composed of five community health agents and the other of seven community health agents and four nurses.
The same topics were used for the guidelines of the interviews and focus groups. To evaluate the health professionals who participated in the capacitation, the following instruments was used:
- Objective Knowledge Questionnaire (OKQ)16 - answered before and immediately after the capacitation. This evaluates professionals' technical knowledge on the prevention of risky alcohol use by means of questions with structured responses, including questions on the definitions of moderate drinking and standard doses, circumstances in which patients should abstain from alcohol consumption, percentage of the population that is considered to present risky drinking and the actions of primary care professionals for reducing alcohol consumption.
The instruments presented below were answered during the pre-capacitation and the follow-up assessments.
- Moralization Scale for Alcohol Use (MSAU) - this comes from the Marcus Scale and was developed to evaluate beliefs and stereotypes about alcohol users.4 It has five items that present stereotypical propositions such as: "Alcoholism is a sign of weakness of character", with responses on a Likert-like scale, ranging from 1 (totally disagree) to 7 (totally agree). The overall score for the scale ranges from 5 to 35.
- Questionnaire on Perception Models for Alcohol Use (QPMAU) - this is based on the Brickman model.13,c It evaluates the responsibility attributed to patients in relation to the appearance and solution of alcoholism, and it classifies perceptions about alcohol use into four models: moral, in which patients are attributed with high responsibility for the cause and solution of alcoholism; medical, in which patients are considered minimally responsible for either the cause or the solution of this problem; compensatory, in which patients are attributed with low responsibility for the cause of alcoholism and high responsibility for the solution; and illuminated, in which patients are attributed with high responsibility for the cause of alcoholism and low responsibility for the solution. Although the procedures of translation, back-translation and semantic adaptation have been used in relation to MSAU and QPMAU, there is no transcultural validation for these instruments. Both of them were used in view of the need to evaluate the degree of moralization by the healthcare professionals regarding alcohol use, which could influence the practices implemented for preventing alcohol use.
- Questionnaire on Prevention Practices for Alcohol Use (QPPAU) this is composed of seven questions that evaluate the frequency and motivation with which healthcare professionals carry out prevention practices in relation to alcohol use. One of these questions requires a discursive answer, while the remainder are in the format of a Likert-like scale (Table 3).
The effectiveness of implementation of the project was also evaluated in terms of the quantity of AUDIT applied and number of brief interventions performed per healthcare professional, at the end of the implementation period.
All the interviews were recorded on electronic media for subsequent transcription and organization of the data. Content analysis of structural and thematic type was performed.9 The data from the questionnaires were organized and analyzed using the SPSS statistical software, version 15.0. Descriptive statistics such as frequencies (n), relative frequencies (%), means (M) and standard deviations (SD) were used. The chi-square test for nominal variables was used in order to obtain a comparison between the samples formed by municipality A and by the other two municipalities, and to perform a longitudinal analysis on each of the samples. For quantitative variables, Student's t test or the Mann-Whitney test was used to compare between municipalities. The paired t test or Wilcoxon's test was used for longitudinal analysis in municipality A and in the other two municipalities. In the statistical analyses, the significance level was set at 5%.
This study was approved by the Research Ethics Committee of the Universidade Federal de São Paulo (0419/06). All the participants in the study signed a free and informed consent statement that was in conformity with the institution's norms.
Interviews conducted before the capacitation
The main reason given by the interviewees for their participation in the project was the high prevalence of alcohol use among the population and the need to prevent damage of greater severity among alcohol abusers.
Regarding expectations from the project, the professionals from municipality A hoped to make alcohol abusers aware of the treatments and actions of the PSF relating to alcoholism. The PSF professionals from the other two municipalities emphasized capacitation for practices to prevent alcohol use.
The main strategy indicated by the managers for implementing the project was to publicize it through talks. The interviewees from municipality A also mentioned that the strategies had not been defined.
Concerning the criteria for evaluating whether the objectives of the project would be reached, the interviewees from municipality A highlighted the participation of healthcare professionals in the project and feedback from the population. The interviewees from the other two municipalities emphasized reductions in the damage due to alcohol use and in the costs of alcoholism.
With regard to the obstacles expected, the interviewees from municipality A emphasized that not all of the professionals were participating in the project. The interviewees from the other two municipalities mentioned patient resistance towards discussing their alcohol consumption and obstacles that were taken as inherent to how the PSF functioned: excess of capacitation required, overloading of tasks and shortage of time. Because of the possibility of changes in political positions, implementation of long-term projects was considered to be an obstacle by the interviewees in all the municipalities.
When asked about incorporating the project into the health service routine, the interviewees from municipality A said that they believed that the project was appropriate, taking into consideration the need to construct measures relating to alcohol consumption in the municipality. The interviewees from the other two municipalities said that incorporating the project into the routine would be backed through its coherence with the PSF (prevention work) and managerial support.
Regarding the difficulties in implementing the project within the routine, the interviewees from municipality A mentioned that if the nurses were not engaged in it, there would be difficulty in incorporating the project into the routine, since they provided the internal coordination for the PSF teams. In addition, factors that could appear over the long term were mentioned, such as uncertainty regarding the support from future managers and the job rotation among healthcare professionals. The interviewees from the other two municipalities said that they did not anticipate any obstacles in implementing the project within the routine.
With the main focus of preventing alcoholism, all of the interviewees expressed support for implementing the project and recognized the importance of dealing with alcohol use within primary care. However, there were no indications of any prior structuring for the implementation, in terms of planning or ways of surmounting the expected obstacles.
Interviews and focus groups conducted for the follow-up assessment
All of the participating healthcare professionals and managers in all three municipalities showed convergent behavior through the project, with regard to ceasing to polarize the classification of alcohol users into alcoholics and non-alcoholics. They started to include the notion of patterns of risky use and harmful use. It was seen that screening with brief interventions was mainly associated with the activities of the community health agents. The participation of the PSF coordinator was considered fundamental for the effectiveness of implementation, in that it enabled project management among the professionals.
In view of the communities' socioeconomic problems and the difficulties encountered in referring alcohol abusers to specialized services, the notion in the municipalities at the end of the implementation was that the PSF could not act alone. Intersectoral action would be needed in order to consolidate the prevention of alcohol use. Other similar points between the municipalities are presented in Table 1.
The main points of divergence between the interviewees from municipality A and those from the other two municipalities were related to factors such as the participation of the PSF coordinator in managing the project and the integration among the professionals of the PSF teams for the practices of screening and brief interventions. While the presence of these factors in municipality A enabled greater effectiveness of implementation, these factors were indicated as obstacles in the other two municipalities, in relation to incorporation of the project into the primary care routine. Table 2 describes the points of divergence between the municipalities.
Through applying the OKQ, it was found that there was significantly greater prior objective knowledge among the primary care professionals from municipality A who participated in the capacitation (M = 5.06; SD = 1.93) than among the professionals from the other two municipalities (M = 3.63; SD = 1.40; t = 4.08; p = 0.001, using Student's t test). However, it was found from the assessment after the capacitation that a leveling of the technical knowledge among all of the professionals had occurred. There was no statistical difference between the municipalities, although the healthcare professionals from municipality A continued to present a higher mean (M = 5.48; SD = 1.78) than that of the other two municipalities (M = 4.93; SD = 1.62). Comparing the means before and after the capacitation, only municipalities B and C presented a statistically significant increase in technical knowledge (t = 5.19; p = 0.001, in the paired t test).
Figure 1 presents the mean number of points obtained in the MSAU.
The classification of perception models regarding alcohol use according to the QPMAU is presented in Figure 2. The longitudinal analysis showed that the healthcare professionals from municipality presented increased attribution of the medical model (X2 = 17.49; df = 9; p = 0.02). Among the healthcare professionals from the other two municipalities, there was an increase in the moral model (X2 = 21.80; df = 9; p = 0.01). In the follow-up assessment, the greater frequency of the moral model and lower frequency of the medical model in municipalities B and C, in comparison with A, showed that holding the alcohol abuser responsible for the appearance and solution of his problem was considerably more common in municipalities B and C (X2 = 7.95; df = 3; p = 0.04).
Before the capacitation and at the follow-up assessment, the QPPAU results for municipality A were significantly higher than those for the other two municipalities. QPPAU also showed that there was a significant increase in the frequency of practices for preventing alcohol use in the longitudinal evaluations for all three municipalities, but that increase was greater in municipalities B and C (Table 3).
The mean numbers of AUDITs and brief interventions applied per healthcare professional capacitated during the intervention period were respectively 28 and 16 in municipality A, and 6 and 5 in the other two municipalities. Thus, there was a significant difference in the number of AUDITs applied (p = 0.001). There was no significant difference in comparing the means for the numbers of brief interventions among the interviewees.
Managers have the task of constructing strategic actions aimed at linking together the actions of healthcare professionals.18 Teamwork is inherent to the PSF.17, 19
In municipality A, the leadership provided by the PSF coordinator contributed towards greater effectiveness of implementation for the project. Firstly, this promoted adherence among the healthcare professionals with regard to conducting screening and brief interventions. Secondly, this constructed strategies for integrating professionals into the PSF teams, such as mobilization of nurses to manage the project and create the alcohol control program, in order to systematize the practices of brief interventions. These factors made it possible for the healthcare professionals in municipality A to seek to incorporate screening and brief interventions into their routines. Thus, the healthcare professionals in municipality A carried out strategies for prevention of alcohol use more frequently than did those of the other two municipalities. This may also have given rise to the higher QPPAU results for municipality A, compared with the other two municipalities, at the follow-up assessment.
As reported by other studies, there is a moral connotation in relation to alcohol that makes it difficult for healthcare professionals to take an adequately close approach towards users.11,d One other effect from implementing the project in municipality A was that the healthcare professionals diminished their moralization regarding alcohol use, according to the MSAU results. This may also have contributed towards the effectiveness of the implementation.
In municipalities B and C, the significant results from the longitudinal QPPAU analysis showed that the process of implementing the project contributed towards favorable changes to the healthcare professionals' practices regarding prevention of risky alcohol use. However, the lack of support from the managers and the lack of linkage between the healthcare professionals for implementing the project made it difficult for there to be changes that would be substantial enough to characterize routine application of screening with brief interventions. It can be suggested that the lower motivation among the healthcare professionals in municipalities B and C regarding prevention of harmful alcohol use that was seen in the longitudinal QPPAU analysis was connected with the obstacles that they reported during the implementation period. These consisted mainly of the isolated way in which the community health agents operated and the lack of managerial support.
At the follow-up assessment on municipalities B and C, the increased use of a moral model and the lack of decrease in moralization regarding alcohol use that the MSAU indicated showed that the healthcare professionals maintained negative attitudes towards their patients regarding alcohol-related problems. The notion among healthcare professionals that the damage caused by improper use of alcohol is a matter of patients' own responsibility is an obstacle to practices for preventing alcohol use.2
It is concluded that the project implementation methodology adopted for the present study functioned as a precondition for changing the healthcare professionals' practices, through providing knowledge and developing their abilities to carry out preventive measures against risky use of alcohol, thereby converging with other reports.10,21 However, this acquisition of knowledge and abilities among healthcare professionals was shown to be insufficient for effective implementation of the project within the primary healthcare service routine. Thus, the findings from this study indicate that, within primary care in small-sized municipalities, there is an association between greater effectiveness in implementing practices for prevention of risky use of alcohol and the engagement shown by managers regarding the implementation of the project, and particularly by the PSF coordinator. Another factor that may be associated with the effectiveness of the implementation is decreased moralization by healthcare professionals regarding alcohol use, as observed among the professionals in municipality A.
Vilasbôas & Paim20 (2008) showed that the actions undertaken by managers seem to be more based on shared values relating to what they consider fair in terms of service provision, rather than on criteria for prioritizing damage and risks to health. Further studies may be directed towards evaluating managers' beliefs and attitudes relating to alcohol use, since their involvement may determine whether this work proposal is successful.
Because of the centrality of municipal administration regarding the effectiveness of implementation, the main limitations of the present study relate to the need for longer follow-up, in order to evaluate whether any change in administration in municipality A would make it impossible for the primary healthcare professionals to continue to perform screening with brief interventions.
To the Health Departments of the participating municipalities for authorizing the study; and to Júnia Marise de Oliveira Cotta, Érica Cruvinel and Rafaela de Oliveira Lisboa (undergraduate psychology students at the Universidade Federal de Juiz de Fora), for their participation in data collection and tabulation.
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Telmo Mota Ronzani
Instituto de Ciências Humanas
Rua José Lourenço Kelmer, s/n
Campus Universitário Martelos
36036-900 Juiz de Fora, MG, Brasil
Research funded by the Ministério da Saúde (Brazilian Ministry of Health) and Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq Proc. nº 408753/2006-4).
This article underwent
the peer review process adopted for any other manuscript submitted to this journal,
with anonymity guaranteed for both authors and reviewers. Editors and reviewers
declare that there are no conflicts of interest that could affect their judgment
with respect to this article.
The authors declare that there are no conflicts of interest.
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