[Further thoughts on sampling techniques].
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Biomedical subjects
Publications and source records attributed to P Suárez Gil.
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OBJECTIVE: To study the understanding, attitudes and practice of primary care doctors in the prescription of hormonal post-coitus interception, along with the social and demographic, educational, legal and ethical variables associated with this prescription. DESIGN: Cross-sectional descriptive study. SETTING: Area IV de INSALUD in Asturias. PARTICIPANTS: Family doctors, excluding locums (n = 178). MEASUREMENTS AND RESULTS: An anonymous self-administered questionnaire with 33 questions, re-sent once, between November 1999 and February 2000. The association-independence of variables was contrasted through the chi 2 test (a statistically significant association if p < 0.05). 77% responded, 51% of whom were men. Average age was 43 (SD = 6.69), with professional experience of 17 years worked (SD = 6.87). 47% were family doctors and 39% general practitioners. 85% worked in health centres; 46% in urban settings. 71% were catholics, 73% (95% CI: 66%-80%) had been asked on at least one occasion in the previous six months for the post-coitus pill (PCP), with demand greater in the urban environment (83%). 18% considered the PCP an abortion method. 88% said they would prescribe it (95% CI: 82.5%-93.5%), of which 30% (95% CI: 16%-44%) did so according to WHO recommendations. 100% of the "non-prescribers" were catholics. CONCLUSIONS: Most doctors receive requests for the PCP and prescribe it on demand, though prescription varies with age, categories and, in particular, religious belief. Only a third prescribes according to WHO recommendations.
OBJECTIVES: To calculate the prevalence of eating attitudes which determine eating disorders and their relationship to social, personal and cultural variables. DESIGN: Prevalence study. PARTICIPANTS: Centres of secondary education. Gijón Health Area (Asturias). Secondary school students (n = 17,000) selected by multi-stage stratified sampling. MEASUREMENTS AND MAIN RESULTS: The self-filled questionnaire included: social and personal variables, and Eating Attitudes Test 26 (anorexic conduct defined as scores = 20). Women also filled in the "Questionnaire on Influences on the Aesthetic Model of the Body" (CIMEC-26). There were 860 valid questionnaires, with 50% women. There was 12.8% prevalence of anorexic attitudes among women (95% CI, 9-16.5), and 1.8% among men (CI, 0.8-2.8). In the group with anorexic attitudes, 87.3% were women, with mean age 16.4; 88.3% lived in a city; 84% were in middle and middle-to-low social classes; 92% were studying their bachillerato; 28.5% attended private schools; 27% undertook activities related to having a thin body; 18.3% had separated parents; 27% had mothers working outside the home; 39.7% saw themselves as fat; and 81% wished to slim. The following variables showed statistically significant differences with the normal population: sex (OR = 7.7; 95% CI, 4.5-13.4), separated parents (OR = 1.9; CI, 1.4-2.8), undertaking activities relating to having a thin body (OR = 3.7; CI, 2.7-5.2); thinking oneself fat (OR = 4.7; CI, 3.1-7.1) and wishing to slim (OR = 7.2; CI, 4.6-11.2). 94.5% of women with disordered conduct showed a disorder on the CIMEC-26. CONCLUSIONS: There is a high prevalence of eating habits similar to those of patients with anorexia nervosa, which are related to the following variables: being a woman, having separated parents, seeing oneself as fat, desiring to slim and undertaking activities related to having a thin body. We observed no significant differences with the normal population in other social and personal variables. The socially imposed aesthetic model of the body determines anorexic conduct in women.
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OBJECTIVES: To assess in two General Medicine clinics the use of the formula "Was there anything else?" in connection with patients' additional requests and the question's possible association with other variables. DESIGN: Quasi-experimental. SETTING: Urban Health Centre. PATIENTS: Patients from two lists attending over a two-month period, with the exclusion of scheduled patients without appointments. MEASUREMENTS AND INTERVENTIONS: For one of the months patients were asked: "Was there anything else?" (intervention group) and for the other month, they were not (control group). On each visit variables were recorded: list, doctor (tutor/intern), age, gender, reason for consultation (pathology/burocratic), whether accompanied, waiting time and additional requests (new problems raised at the end of the visit). A bivariant analysis of each of the variables with the variable 'intervention' was made and, after a prior transformation of the variable 'additional requests' into two, was adjusted to a multiple logistic regression model in order to control the confusion. RESULTS: 2,657 attendances were analysed. The variables which were significant for the prediction of additional requests were: intervention, list, age, gender and reason for consultation. CONCLUSIONS: The intervention of the doctor may generate additional requests, although whether this means that the consultation is better organised remains to be assessed.
OBJECTIVE: To estimate the prevalence and duration of breastfeeding, and factors associated with them, in Asturias (Spain). METHODS: A cross-sectional study was carried out. A stratified random sample of 453 infants was drawn on a population of 4,326 infants aged 0-8 months at the time of the study. Sociodemographic data, and information on pre- and perinatal care were obtained through a telephone survey in which mothers were also asked whether they were breastfeeding on the day of the telephone call. A univariate logistic regression model was used to estimate the prevalence curve of breastfeeding according to infant age, and multiple logistic regression was used to determine the associations between the prevalence and covariates. The discontinuity index (DI) and the cumulative breastfeeding index (CBI) were also estimated as indicators of duration. RESULTS: A total of 418 telephone calls were made. The prevalence of initial exclusive breastfeeding was 51.4% (95% CI: 46.6-56.2%) which decreased to 14.9% at day 90 and to 8.7% at day 120. The DIs were 28.6% at day 30 and 71% at day 90. In the multivariate analysis the prevalence of exclusive breastfeeding was higher among mothers living in a rural or suburban area (OR = 5.69 and OR = 3.55, respectively), than among those living in urban areas. The prevalence was also higher among mothers with a university degree (OR = 3.90; 95% CI: 1.77-8.58), and among those who had been seen by a midwife during pregnancy (OR = 2.13; 95% CI: 1.04-4.38). A negative correlation was found between exclusive breastfeeding and the newborn having received food supplements during the first hours after birth (OR = 0.43; 95% CI: 0.20-0.95). CONCLUSIONS: The prevalence of breastfeeding in Asturias, and especially its duration, is much lower than that recommended by the World Health Organization. Mothers living in urban areas do not follow the most appropriate patterns of breastfeeding.
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8 cases of dementia associated with cortical Lewy bodies are dealt with, that were diagnosed in 1993 in examinations for dementia, using the Nottingham's clinical criteria. They make up 15.4% of primary degenerative dementias diagnosed in this examination. All developed a predominantly cortical dementia with variable bradiphrenia and a parkinsonian syndrome which was predominantly of the rigid-bradikinetic type. The dementia established itself rapidly -between 1 and 3 weeks- in 3 cases (37.5%). 50% of patients (4 cases) showed marked psychiatric symptoms. In 2 cases stiffness was predominantly axial and another had supranuclear paralysis of vertical gaze. 3 patients had no tremor, and 2 of the 5 remaining patients showed postural tremor. CT and axial MR images of the encephalon were similar to those observed in dementia of the Alzheimer type. The coronal MR carried out on 3 patients revealed less atrophy of the hypocampus than is normally observed in patients with dementia of the Alzheimer type who are at the same stage of development.
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