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PubMed2006

Effects of implementation intentions on the self-reported frequency of drivers' compliance with speed limits.

This study tested the efficacy of implementation intentions in the context of drivers' speeding behavior. Participants (N = 300) completed self-report measures of goal intention and behavior, and they were randomly assigned to an experimental condition, which required them to specify an implementation intention, or a control condition. One month post-baseline, self-reported compliance with speed limits significantly increased for experimental participants but not for control participants. The effects of specifying an implementation intention on behavior increased with the strength of drivers' goal intentions. Finally, analysis of participants' implementation intentions revealed that specifying more behavioral strategies increased the frequency with which participants reported complying with the speed limit. Implications of the findings are discussed in relation to enhancing road safety interventions.

Adult↗

PubMed2003

Intentional communicative behaviours of Turkish-speaking children with normal and delayed language development.

BACKGROUND: Language profiles may predict whether children with slower language development will catch up to their peers by overcoming this transient phenomenon or will be at risk for persistent language disorders. The research of the last decade has focused on this topic. Some researchers have emphasized the significance of developing communicative intentions, which provide a potential predictor of later language competence. In Turkey, children with slower language development may not be diagnosed partly because of the lack of sufficient standardized assessment/evaluation tools, educational and therapeutic media, and qualified speech-language therapists. In devising appropriate evaluation instruments, it is necessary to examine cross-linguistic variation in early language acquisition. The purpose of this study therefore is to observe, describe and assess early communicative behaviours of 15-36 months old Turkish-speaking children by using a functional communicative approach. METHODS: The research was designed within a qualitative-descriptive paradigm, involving qualitative data collection, observation and data analysis procedures. A total of 16 children, eight typically developing and eight language delayed, served as subjects. The classification system used in this study for coding children's communicative intentions was mostly based upon a system used by Dore (1977). Each variable was referred to as one of three intentional categories: regulating behaviours (request for object, request for action and protest), social interaction (direct attention, greeting and acknowledgement) and joint attention (comment/statement, asking for information and responding). A non-parametric Mann-Whitney U-test was carried out to verify the descriptive measures in comparing the delayed and normal group performance. RESULTS: As expected, the mode of expressing communicative intentions varied as a function of age for both groups. Children with normal language development were observed to express intentions within the category of joint attention more frequently whereas the children with delayed language expressed intentions related to the variables of regulating behaviours and social interaction.

Age Factors↗

PubMed2003

Sociodemographic and atopic factors affecting breastfeeding intention in Chinese mothers.

OBJECTIVE: The factors accounting for the low 'ever breastfeeding' rate in Hong Kong remain unclear. The objective of this survey was to study the intention and planned duration of breastfeeding in Chinese women in Hong Kong, and to investigate the sociodemographic and atopic factors affecting the intention to breastfeed. METHODS: All Chinese mothers who were Hong Kong residents and who delivered their babies in a University teaching hospital were given a self administered and anonymous Chinese questionnaire within 1 day postpartum. The questionnaire included items on sociodemographic data, the presence of allergic diseases in the families, and the intention and planned duration of breastfeeding for their newborn babies. RESULTS: A total of 1374 eligible questionnaires were collected. About one-third of mothers were born outside Hong Kong and the majority (78%) of them were aged between 25 and 40 years. Logistic regression revealed that only socioeconomic factors, namely older maternal age (odds ratio (OR) 2.10, 95% confidence interval (CI) 1.14-3.89), parity (OR 3.08, 95% CI 1.02-9.27) and higher educational background (OR 2.87, 95% CI 1.92-4.27), significantly affected the intention to breastfeed. In addition, mothers born outside Hong Kong and those with first babies, had a longer intended duration of breastfeeding (P-values < 0.001 and 0.033, respectively). A family history of atopic disorders in parents or siblings did not influence the breastfeeding intention of these Chinese mothers. CONCLUSION: Several sociodemographic factors, rather than a history of atopic disorders, of Chinese mothers in Hong Kong affected their intention to breastfeed and the planned duration of breastfeeding.

Adult↗

PubMedDate not supplied

Prospective memory failures as an unexplored threat to patient safety: results from a pilot study using patient simulators to investigate the missed execution of intentions.

This study investigated failures of prospective memory (PM) as a relevant but neglected error type in medicine. A patient simulator was used to investigate PM failures. The influence of subjective importance (high, low) and type of intention (educational, internal, external) on the (missed) execution of intention was investigated in a 2 x 2 design. The effects on missed executions by importance (high < low) and type of intention (educational < external < internal) were hypothesized. Of 73 valid intentions in 40 prepared simulator scenarios 19 (26%) were missed overall. A total of 64% of unimportant and 80% of important intentions were executed 79% of educational 67% of external and 72% of internal intentions were executed. Neither difference was statistically significant using chi(2) tests. Interaction was significant for missed executions (p = 0.025; n = 19; df = 2; chi(2) = 7.41) and for executions (p = 0.002; n = 54; df = 2; chi(2) = 12.50). Despite low statistical support and some methodological limitations, it was possible to show that PM failures are relevant to patient safety and that patient simulators are a suitable but so far unused tool for their investigation.

Anesthesia Department, Hospital↗

PubMed2005

The stability of the attitude-intention relationship in the context of physical activity.

Attitude has been shown to be an important antecedent of physical activity intentions and behaviour. It is unclear whether the attitude-intention relationship is stable over time. The aim of the present study was to examine the stability of the attitude-intention relationship over a 6 week period. A panel study of 65 males and 81 females aged 20.6+/-0.8 years was conducted, in which measures of attitudes, intentions, self-reported physical activity and perceived behavioural control were assessed at the beginning and end of the 6 weeks. The data were analysed using path analysis. Results indicated that the attitude-intention relationship was stable over time. In addition, the behaviour-intention relationship was undermined over time. It is recommended that interventions can facilitate adherence to physical activity by reinforcing attitude change during initial and later stages of treatment.

Adult↗

PubMed2006

Psychosocial factors associated with non-smoking adolescents' intentions to smoke.

Smoking is the most preventable cause of death in the United States. Most adult smokers began smoking during adolescence, making youth tobacco prevention an especially important public health goal. Guided by an extension of the theory of planned behavior (TPB), this study examined the role of psychosocial factors in accounting for adolescents' smoking intentions. Participants from three high schools (n = 785) were surveyed to assess smoking-related characteristics and behaviors as part of a statewide evaluation of tobacco prevention programming. Attitudes, subjective norms (and other normative factors) and perceived behavioral control were all associated with non-smokers' intentions to smoke. Having more favorable attitudes toward remaining tobacco free and perceiving that friends would not be supportive of smoking were both associated with decreased likelihood of intending to smoke. Normative influence and peer use were significant factors, such that having more friends who smoke was associated with increased odds of intent to smoke. Lastly, perceived difficulty to quit was related to smoking intentions, with higher confidence to quit significantly associated with intentions to smoke. Findings are consistent with the TPB--attitudes, normative factors and perceived behavioral control each helped account for non-smoking adolescents' intentions to smoke. Implications for theory and intervention building are discussed.

Adolescent↗

PubMed2005

Impact of the University of California, Los Angeles/Charles R. Drew University Medical Education Program on medical students' intentions to practice in underserved areas.

PURPOSE: To estimate the impact of a U.S. inner-city medical education program on medical school graduates' intentions to practice in underserved communities. METHOD: The authors conducted an analysis of secondary data on 1,088 medical students who graduated from either the joint University of California, Los Angeles/Charles R. Drew University Medical Education Program (UCLA/Drew) or the UCLA School of Medicine between 1996 and 2002. Intention to practice in underserved communities was measured using students' responses to questionnaires administered at matriculation and graduation for program improvement by the Association of American Medical Colleges. Multivariate logistic regression analysis was used to compare the odds of intending to practice in underserved communities among UCLA/Drew students with those of their counterparts in the UCLA School of Medicine. RESULTS: Compared with students in the UCLA School of Medicine, UCLA/Drew students had greater adjusted odds of reporting intention to work in underserved communities at graduation, greater odds of maintaining or increasing such intentions between matriculation and graduation, and lower odds of decreased intention to work in underserved communities between matriculation and graduation. CONCLUSIONS: Training in the UCLA/Drew program was independently associated with intention to practice medicine in underserved communities, suggesting that a medical education program can have a positive effect on students' goals to practice in underserved areas.

Adult↗

PubMed2007

Fertility intentions of women of reproductive age living with HIV in British Columbia, Canada.

BACKGROUND: We undertook a study to examine the fertility intentions and reproductive health issues of women living with HIV in a broad-based sample in British Columbia, Canada. METHODS: Between November 2003 and December 2004, we invited women with HIV at all HIV clinics and AIDS service organizations in the province of British Columbia, Canada, to complete the survey instrument 'Contraceptive Decisions of HIV-positive Women'. Logistic regression analysis was conducted to calculate adjusted odds ratios to identify factors that may be significant predictors of the intention of women living with HIV to have children. RESULTS: Of the 230 surveys completed, 182 women (79.1%) were of reproductive age (<or=44 years), and 25.8% of women living with HIV indicated an intention to have children. In multivariate modeling, non-aboriginal ethnicity, younger age and having a regular partner were associated with an increased likelihood of reporting the intention to have children in the future. DISCUSSION: In this study, we found that the predictors of fertility intention of women with HIV were age, ethnicity and marital status. Women who were HIV-positive described an intention to have children at levels approaching those among the general population and regardless of their clinical HIV status. Public policy planners and health practitioners need to consider and plan for the implications of increased numbers of women with HIV who may choose to have children.

Adolescent↗

PubMed2005

Jordanian married Muslim women's intentions to use oral contraceptives.

BACKGROUND: High fertility rates and moderate to low contraceptive use in the Arab Islamic countries, and Jordan in particular, are issues of international nursing importance. AIM: By using the Theory of Planned Behaviour (TPB) as the conceptual framework, the relationships between married Jordanian Muslim women's previous contraceptive use, type of experience, and intention to use oral contraceptives (OCs) were examined. The relationship between selected demographic variables and intention to use OCs was also examined. METHODS: The study was part of a large cross-sectional survey. The Intention to Use Oral Contraceptive Tool was used to elicit participants' intentions and beliefs regarding oral contraceptive use. SAMPLE: The study sample was composed of 245 Jordanian married Muslim women. RESULTS: Results revealed a significant relationship between previous oral contraceptive use and intention to use OCs. The relationships between type of experience, whether successful or unsuccessful, with previous OC use, and intention to use OCs were not significant. CONCLUSION: Nursing implications regarding the provision of family planning services that are sensitive to Jordanian Muslim women's religious preferences are discussed.

Adolescent↗

PubMed2006

The relationship between viewing US-produced television programs and intentions to drink alcohol among a group of Norwegian adolescents.

The aim of this study was to examine the influence of exposure to US-produced television programs and family rules prohibiting alcohol use on the development of normative beliefs, expectancies, and intentions to drink alcohol in the next 12 months among a group of Norwegian adolescents who reported that they had not previously consumed alcohol. Data were collected via a survey administered to 622 eighth and ninth graders enrolled at ten junior highs in southeastern Norway. To examine these relationships we tested the fit of a structural equation model which was based on the Theory of Planned Behavior (Ajzen, 1988). Data from the non-drinkers (n= 392, 63% of the respondents) were used. To control for the influence of peer drinking on behavioral intentions, our model was tested under two group conditions: (1) those subjects reporting that they have no friends who drink alcohol and (2) those subjects reporting that they have one or more friends who drink. The findings indicate that the influence of TV exposure was a significant predictor (directly) of normative beliefs, expectancies (indirectly) and intentions to drink (both directly and indirectly) only for those subjects who reported having no friends who drink. For the group with non-drinking friends, family rules constrain intentions only indirectly by influencing normative beliefs. For those with friends who drink, however, family rules have a direct (inverse) effect on intentions. It is concluded that exposure to US-produced television programs functions as a limited knowledge source only for those subjects who had little or no personal experience with alcohol while the presence of family rules have limited impact on behavioral intentions.

Adolescent↗

PubMed2004

Understanding intentions in social interaction: the role of the anterior paracingulate cortex.

Neuroimaging studies have identified the anterior paracingulate cortex (PCC) as the key prefrontal region subserving theory of mind. We adopt an evolutionary perspective hypothesizing that, in response to the pressures of social complexity, a mechanism for manipulating information concerning social interaction has emerged in the anterior PCC. To date, neuroimaging studies have not properly distinguished between intentions of persons involved in social interactions and intentions of an isolated person. In two separate fMRI experiments, we demonstrated that the anterior PCC is not necessarily involved in the understanding of other people's intentions per se, but primarily in the understanding of the intentions of people involved in social interaction. Moreover, this brain region showed activation when a represented intention implies social interaction and therefore had not yet actually occurred. This result suggests that the anterior PCC is also involved in our ability to predict future intentional social interaction, based on an isolated agent's behavior. We conclude that distinct areas of the neural system underlying theory of mind are specialized in processing distinct classes of social stimuli.

Adult↗

PubMed2004

Pattern and risk factors for intentional drug overdose in Saudi Arabia.

BACKGROUND: Attempted suicide by intentional drug overdose is an understudied subject in Saudi Arabia. Saudi Arabia is an Islamic country where suicide or attempted suicide is strictly prohibited. Despite the strong religious and constitutional sanctions against suicide, cases of intentional drug overdose occasionally occur. Our study represents the first attempt to better understand and characterize this sensitive topic. METHODS: Using a retrospective chart review of patients aged 12 years and over with a diagnosis of intentional drug overdose between 1997 and 1999, we studied the demographic characteristics, the risk factors, the most commonly used drugs, and the resulting morbidities and mortalities of study subjects. RESULTS: Most of the patients were young (mean age 22 years, SD 4.6, range 15 to 40 years), and most were Saudi nationals (n = 76; 96%). Eighty percent of the patients were women. The occurrence of intentional drug overdose peaked during the month of September (that is, 20% of total cases). Previous suicide attempts, family conflicts, and psychiatric disorders represented significant risk factors. Single-agent overdose occurred in 30% of the patients, and most of the drugs used were prescribed medications (53%). Acetaminophen represented the most common drug (30%). While some patients required prolonged hospital stay or admission to the intensive care unit, no mortalities occurred. CONCLUSIONS: Intentional drug overdose is a relatively uncommon reason for hospital admission in Saudi Arabia. This study identifies certain risk factors relevant to the Saudi community and raises awareness about intentional drug overdose.

Adolescent↗

PubMed2006

The role of action control in implementing intentions during the first weeks of behaviour change.

Prevailing social cognition models consider behavioural intentions as immediate precursors of actions. This view ignores the role of more proximal self-regulatory processes, such as action control. The latter emerges after an intention has been formed and is supposed to maintain the level of intentions over time and to translate them into action. Three facets of action control were examined in terms of their predictive power for changes in intentions and for physical exercise: (a) awareness of standards, (b) self-monitoring, and (c) self-regulatory effort. A parsimonious 6-item instrument was administered to 122 cardiac patients at six weekly measurement points in time following rehabilitation. A distinction was made between the level of action control and the degree of change in action control, applying a latent growth model. While awareness of standards remained stable, the other two facets exhibited a linear change over the six-week period. Level and change were distinct predictors of physical exercise and changes in intentions. These findings emphasize the importance of self-regulatory mechanisms in the first weeks of trying to overcome a sedentary lifestyle. Action control may be a promising construct to narrow the intention-behaviour gap.

Aged↗

PubMed2005

Correlates of partner-specific condom use intentions among incarcerated women in Rhode Island.

CONTEXT: Few studies of incarcerated women have examined potential associations between risky sexual behavior and relationship context factors; thus, little is known about the correlates of intentions to use condoms with main and casual partners in this underserved population. METHODS: A sample of 221 women incarcerated in a Rhode Island Department of Corrections facility in 2002-2003 were interviewed. Multiple linear regression analysis was performed to assess associations between selected demographic, psychosocial and behavioral variables and participants' reported intentions to use condoms with main and casual sexual partners in the first six months after their release. RESULTS: Condom use at last sex with a main partner, sexually transmitted disease (STD) history, no strong desire to currently be pregnant, belief that others influence one's health and perceived STD risk were positively associated with women's intention to use condoms with main partners. Pregnancy history was negatively associated with intention to use condoms with a main partner. Condom use at last sex with a casual partner was positively associated with intention to use condoms with casual partners, whereas binge drinking and believing in the role of chance in determining one's health were negatively associated with intention to use condoms with casual partners. CONCLUSIONS: Whether incarcerated women define a partner as main or casual may influence their decisions about the need to protect themselves by using condoms. Programs that focus on the importance of condom use with all partners could greatly benefit incarcerated women and the communities to which they return.

Adult↗

PubMed2006

Association between intention to stay on the job and job satisfaction among Japanese nurses in small and medium-sized private hospitals.

In order to examine the relationship between the intention to stay on the job and job satisfaction among Japanese nurses, and to obtain clues for preventing turnover, we conducted a questionnaire survey. The subjects involved in the survey included 625 female nurses (registered nurses, licensed practical nurses and assistant nurses) working in 4 small and medium-sized private hospitals, excluding directors of nursing. Of the 625 questionnaires distributed, 556 (89.0%) were returned. After excluding the questionnaires with missing values, 480 questionnaires were analyzed (effective response rate, 76.8%). The average age of the respondents was 32.8 yr (range: 20-65). The content of the questionnaire was nurse attributes, job satisfaction (30 items) and intention to stay on the job. For job satisfaction, factor analysis (principal factor method and promax rotation) was performed, and factors with an eigenvalue of > or =1 were extracted. Six factors were extracted by factor analysis. These factors were interpreted as "Work as specialists" (1st factor), "Relationship with superiors" (2nd factor), "Comfortable life" (3rd factor), "Relationship among nurses" (4th factor), "Communication with physicians" (5th factor) and "Working conditions" (6th factor). The factor scores were calculated and used as a scale for the evaluation of job satisfaction. To investigate the factors associated with intention to stay on the job among nurses, the standard partial regression coefficient was computed by multiple linear regression analysis, with intention to stay on the job as the dependent variable, and nurse attributes and job satisfaction (factor scores) as independent variables. Various factors including the organizational culture of each hospital may affect the relationship between job satisfaction and the intention to stay on the job. In order to adjust for these factors, differences among hospitals were included in the statistical model as independent variables. The result of the multiple regression analysis suggests that the intention to stay on the job was higher among nurses who were older and more satisfied with work as specialists (1st factor) and working conditions (6th factor).

Adult↗

PubMed2005

Psychosocial correlates of adolescent males' pregnancy intention.

OBJECTIVE: To identify psychosocial differences between sexually experienced male adolescents who indicate intentions to get someone pregnant and those who do not. METHODOLOGY: Cross-sectional study of 101 sexually experienced adolescent males recruited from a sexually transmitted disease clinic in northern California. We used Student's t tests and regressions to examine psychosocial differences between males who reported any intention versus no intention to get someone pregnant in the next 6 months, and we used analyses of variance to examine differences among different combinations of pregnancy plans/likelihood. RESULTS: Adolescents' reports of their plans for getting someone pregnant differed from their assessments of the likelihood that they would do so (chi2 = 24.33; df = 1). Attitudes toward pregnancy and participants' mothers' educational attainment differentiated those with clear pregnancy intentions (planning and likely) from those with clear intentions to avoid pregnancy (not planning and not likely) CONCLUSIONS: To reduce the rates of adolescent childbearing, males' pregnancy intentions must be assessed and asked about in multiple ways.

Adolescent↗

PubMedDate not supplied

Consequences for infants of parental disagreement in pregnancy intention.

CONTEXT: Despite the well-established literature on couples' pregnancy intentions and on the consequences of unintended pregnancy, the effects of parents' disagreement in fertility intentions has not been explored. Parental disagreement in pregnancy intention, as well as a father's pregnancy intention, may affect infant health. METHODS: Logistic regression analyses using 1979-1992 data from the National Longitudinal Survey of Youth assess effects of unintendedness and parents' disagreement on outcomes related to infants' health and development. Analyses are conducted separately for married and unmarried women; for women of each marital status, one set of analyses includes extensive controls for socioeconomic background, and a second compares effects of intended and unintended pregnancies within the same family. RESULTS: Infants whose conception was intended by their mother but not their father are at elevated risk of adverse health events. When a pregnancy was not intended by the mother, risks are higher than they are if both parents intended the pregnancy, but they differ little according to father's intention. Thus, it may be useful to classify pregnancies as intended by both parents or not intended by at least one. In comparisons of siblings, unintended fertility (so defined) is associated with delayed prenatal care and reduced initiation of breastfeeding. CONCLUSION: Information on both parents' fertility intentions is needed to identify infants at risk of adverse health and developmental outcomes.

Child Development↗

PubMed2002

Intention-to-treat analysis in clinical trials: principles and practical importance.

Intention-to-treat analysis is a technique used in randomized controlled trials (RCTs), where patients are compared--in terms of their final results--within the groups to which they were initially randomized, independently of receiving the allocated treatment, having dropped out of the study or having violated the initial protocol (for whatever reason). In other words, it constitutes an analysis of the results based on the treatment arm to which the patients belong due to the initial random allocation, and not on the treatment actually received (active or placebo). Intention-to-treat analysis permits the pragmatic evaluation of the benefit of a treatment change, and not the potential benefit in patients getting the pre-planned allocated treatment only. Full application of the intention-to-treat principle is only possible in those circumstances where all results from all patients are available. A significant number of RCTs state that they use intention-to-treat analysis, but the ways that violations of randomized allocation is handled varies considerably. Many trials present flaws in gathering primary data, and their methods of handling this problem are normally poor. Lastly, the intention-to-treat principle is frequently poorly described and applied. In this article we will present the importance, utilization, limitations and errors of intention-to-treat analysis.

Attitude of Health Personnel↗