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PubMed1982

The incidence of the head louse (Pediculus humanus capitis) among pupils of two schools in Accra.

Of 319 pupils examined by visual inspection for head lice in two large schools of contrasting socioeconomic environments in Accra, Ghana, 158 were found to be infected, with infection rates being higher in the school of lower socio-economic status. Younger pupils (7 years) had significantly lower infection rates than older one (11 years). Hair plaiting, communal use of toilet facilities and crowding have been found to be involved in the epidemiology of the head louse. A curious discrepancy was found between the number of pupils who admitted they had lice and those who actually had them. Relative intensities of infestation remain very low in 75% of the cases examined. Mothers have been found to exhibit a high sense of responsibility in treating their children. A call has been extended to the Health Authorities to initiate a national delousing programme for the control of this ectoparasite.

Age Factors↗
PubMed2000

Surveillance of bacterial pathogens associated with acute diarrhea in Lima, Peru.

OBJECTIVES: A study was conducted in Lima, Peru, from January to April 1995, to determine the bacterial pathogens associated with acute diarrhea in adults, their susceptibility to common antimicrobials, the risk factors involved in cholera transmission, and the best clinical predictors of cholera. METHODS: A random sample of adult patients with acute diarrhea was studied. Epidemiologic and clinical data and risk factors to acquire diarrheal diseases were evaluated. Identification of bacteria and susceptibility to antimicrobials were determined. RESULTS: The study included 336 patients. Vibrio cholerae O1 (52.7%), Shigella spp. (4. 8%), and Salmonella spp (2.7%) were the pathogens most commonly isolated. No resistance to antimicrobials was observed. Patients with cholera had less access to municipal water (P = 0.0018) and were less likely to have homes connected to a sewage system (P = 0. 0003) or to have indoor toilet facilities (P = 0.0001) than those without cholera. Liquid stools (odds ratio [OR] = 16.51; confidence interval [CI] = 13.71-19.02; P = 0.003), severe dehydration (OR = 2. 48; CI = 1.57-3.38; P = 0.0083), generalized cramps (OR = 4.63; CI = 3.10-6.17, P < 0.0001), and washerwoman's hands (OR = 2.45; CI = 1. 55-3.34; P = 0.017) were the best clinical predictors of cholera in this setting. CONCLUSIONS: Cholera is still prevalent in Lima, and people living in environments with low sanitary conditions are especially at risk. Clinical signs of severe dehydration and liquid stools were the best predictors of cholera.

Adolescent↗
PubMed1995

Age variations in the proximate determinants of child mortality in south-west Nigeria.

Age variations in the influences of three sets of proximate factors on child survival in Ondo State, Nigeria, during 1981-86 are described. Biodemographic factors covary very strongly with mortality risks during the first month of life, weakly during months 1-11, and imperceptibly beyond infancy. Microenvironmental factors progressively strongly covary with mortality after the neonatal period, while health services accessibility and care factors broadly covary strongly with mortality throughout early childhood. Patterns in the size of the hypothetical population-level impacts of these factors suggest that promoting assisted use of toilet facilities within households by under-5s and wider provision of dispensaries and hospitals would yield cost-effective and notable reductions in overall childhood mortality levels in the study setting.

Adolescent↗
PubMed2006

Socioeconomic differentials in nutritional status of children in the states of West Bengal and Assam, India.

Malnutrition among children is prevalent in almost all the states in India. This study assesses the extent and causes of malnutrition in two eastern Indian states with similar climates, namely West Bengal and Assam, using data from the National Family Health Survey 1998-99 (NFHS-2). The three indices of malnutrition taken for analysis are weight-for-height (WHZ), height-for-age (HAZ) and weight-for-age (WAZ). These are assumed to depend on birth order, preceding birth interval, parent's educational status, working status of the mother, mother's age at delivery of the children, source of drinking water, toilet facilities and standard of living of the household. Logistic regression was carried out separately for each of the three indices on the explanatory variables for both the states. It was found that not all variables are equally important in determining whether a baby is underweight, or suffering from acute or chronic malnutrition. Also, the importance of variables is not the same in the two states. It was observed that the coefficients associated with the variables in determining weight-for-height are not significant compared with those for weight-for-age and height-for-age.

Adolescent↗
PubMed1991

Direct referral hearing aid provision in the over sixties age group.

A prospective study was designed in which General Practitioners were issued with a standard referral letter for hearing aid provision. Unknown to the General Practitioner an independent otolaryngologist assessment was obtained at the time of first attendance. Three hundred consecutive patients selected by General Practitioners applying these guidelines were seen in a designated hearing aid clinic staffed by audiological technicians of senior grade or above. Referral pro formata were incomplete in 75 patients who were not assessed. Ninety-four patients (31 per cent) (95 per cent confidence interval 29-36 per cent) were accepted by the audiologist. Obstructing wax was the most common criterion failed. Clinical agreement between audiologist and otolaryngologist was 57 per cent greater than chance. None of the cases of clinical disagreement altered treatment. A direct referral system as proposed could have processed only 31 per cent of 300 referrals. However, experienced technical staff reliably detected otological pathology and with aural toilet facilities 91 per cent of 225 patients (confidence interval 88-94 per cent) were aided.

Aged↗
PubMed1994

Flies and water as reservoirs for bacterial enteropathogens in urban and rural areas in and around Lahore, Pakistan.

The study was conducted to isolate and characterize campylobacter, enterotoxigenic Escherichia coli-labile toxin (ETEC-LT), shigella and salmonella in flies and water. The material for the study, flies (n = 300) and water samples (n = 148), was collected from different localities in and around Lahore, Pakistan. Cultivation of the samples was performed on conventional standard media. Membrane filtration technique was used for water prior to culture. Determination of ETEC-LT was done by GM1 ELISA. Results of our study showed that flies and water were reservoirs for all the four pathogens, campylobacter, ETEC-LT, shigella and salmonella. Flies from the village were carrying fewer enteropathogens, while water from the village was found to be more contaminated as compared to the city. Campylobacter and ETEC-LT were the most frequently isolated pathogens in both flies and water. Thus the incidence of diarrhoeal disease in children of developing countries may be decreased by providing plenty of safe drinking water, improving excreta disposal, toilet facilities and giving education in personal hygiene.

Animals↗
PubMed2004

Prevalence of Escherichia coli and Salmonella spp. in street-vended food of open markets (tianguis) and general hygienic and trading practices in Mexico City.

Street-vendors in Mexico City provide ready-to-eat food to a high proportion of the inhabitants. Nevertheless, their microbiological status, general hygienic and trading practices are not well known. During spring and summer 2000, five tianguis (open markets) were visited and 48 vendors in 48 stalls interviewed. A total of 103 taco dressings were sampled for E. coli and Salmonella spp.: 44 (43%) contained E. coli and 5 (5%) Salmonella (2 S. Enteritidis phage type 8, 1 S. Agona, 2 S. B group). Both E. coli and salmonellas were isolated from three samples. Of Salmonella-positive stalls 80% (4/5) had three or more food-vendors and 80% of vendors were males, compared with 37.3% (16/43) and 46.4% (20/43) in the Salmonella-negative stalls respectively. Food-vendors kept water in buckets (reusing it all day), lacked toilet facilities, and prepared taco dressings the day before which remained at the tianguis without protection for 7.8 h on average. Consumption of street-vended food by local and tourist populations poses a health risk.

Cities↗
PubMed2005

Exposure to school children as a risk factor in a community outbreak of hepatitis A in young adults: a case control study.

To investigate risk factors during a community outbreak of hepatitis A we carried out a case- control study of 35 cases and 49 matched controls using an interviewer-administered questionnaire on clinical history, travel, household details including domestic toilet facilities, infectious contacts, and food history. Of 99 cases notified in the city during the outbreak year, 50 (51%) were young adults age 15-34 years. Hepatitis A infection was independently associated with household contact with a case (P=0.0005), and sharing a household with children in primary school (OR 3.4, 95% CI 1.2-9.5, P=0.008) with risk increasing with number of primary-school pupils in the household (chi(2) for linear trend 6.47, P=0.01). We concluded that in a population with a low prevalence of hepatitis A, adults who live in the same household as primary-school-age children are at increased risk of acquiring the infection during community outbreaks.

Adolescent↗
PubMed2000

Investigations of the epidemiology of infections with hepatitis A virus in Jamaica.

Between January 1995 and August 1998, a study was conducted to elucidate the epidemiology of hepatitis A virus (HAV) in Jamaica. Participants were recruited from six sites across the island. The potential risk factors for transmission which were studied included age of the individual, gender, residence (urban v. rural area), sanitary facilities (flush toilet v. pit) and source of domestic water (indoor plumbing v. other). There were 128 male subjects and 211 female, aged 3-90 years. The mean ages of the males and females were 24.9 and 25.6 years, respectively. The seroprevalence of HAV in the study population, estimated by ELISA, was 59.9%. Logistic regression indicated that age (P < 0.001) and source of domestic water (P = 0.006) were the major contributors to exposure to HAV. The rate of exposure to the virus was seen to increase with age. By the age of 10 years, 30% of children had been exposed, and almost 100% of the oldest subjects were seropositive. Rates of exposure to HAV were higher among households which had external sources of water, including standpipes, rivers and tanks, than those with indoor plumbing. Although the seroprevalence of HAV in Jamaica is similar to that seen in developing countries, the age-related pattern of exposure mirrors the pattern seen in developed countries.

Adolescent↗
PubMed2005

Environment, wealth, inequality and the burden of disease in the Accra metropolitan area, Ghana.

The study examines environmental problems and adverse impacts on the health of urban households in the Accra metropolitan area, Ghana. Accra is faced with severe inadequacy of urban infrastructure in the face of rapid population growth in the metropolis. More than half of the city's population do not have access to solid waste collection services. Only 39.8% of households have indoor pipe and over 35.0% of households depend on unsanitary public latrines whilst 2.5% do not have access to toilet facilities. Human excrement, garbage and wastewater are usually deposited in surface drains, open spaces and streams in poor neighbourhoods. The resultant poor sanitation has serious health impacts as more than half of reported diseases are related to poor environmental sanitation. The majority of households depend on solid fuels for cooking and this leads to indoor air pollution and high incidence of respiratory infections. Poor households bear a disproportionately large share of the burden of environmental health hazards than their wealthy counterparts, due to their particular vulnerability resulting from inadequate access to environmental health facilities and services.

Air Pollution, Indoor↗
PubMed2004

Intimate partner violence and the role of socioeconomic indicators in WorldSAFE communities in Chile, Egypt, India and the Philippines.

BACKGROUND: The literature documenting the influence of socioeconomic status (SES) on health and injury does not provide a clear consensus on how to account for socioeconomic indicators in population and health outcome studies across countries. The World Studies of Abuse in the Family Environment (WorldSAFE) consortium conducted a series of population-based, multi-stage probability sampling cross-sectional surveys in selected communities in five countries from 1997 to 2003 that allows for the examination of the relationship of SES with current physical and psychological intimate partner violence (IPV). METHODS: Women aged 15-49 years (n = 3975) from six urban low- and middle-income communities participating the the WorldSAFE consortium were interviewed. Using a standardized instrument, the following SES indicators were collected: dwelling ownership, land ownership, number of rooms in the house along with number of residents, toilet facilities, ownership of 13 specific individual/household items, current work status of the woman and her husband/partner, and years of formal schooling completed by the woman and her husband/partner. A family asset index was constructed using principal coordinate analysis. The outcome variables utilized in this manuscript were current (past 12 months) physical IPV, and current psychological IPV. Basic bivariate associations between the categorical predictors and outcome variables were followed by a multiple logistic regression analysis to investigate the effect of covariates on the study outcomes. RESULTS: The were considerable variability among the six sampled communities with respect to the relationship between socioeconomic indicators and current physical and psychological IPV. In general, the employment status of the woman was related to her experience of intimate partner violence, and her educational level and family's assets index were protective factors. When considered in multiple logistic regression models, the asset index was the only indicator that was consistently significant across communities. CONCLUSION: The derived asset index as an SES indicator was found to be associated with current psychological and physical IPV against women across the sampled six communities in four countries.

Adolescent↗
PubMed2005

Theory-based survey analysis of well-being in secondary schools in Finland.

Frameworks concerning school health and well-being, like the Health Promoting School and the Coordinated School Health Programme, have been available for some time. However, the indicators of well-being studies and the comprehensive frameworks have not met. The main aim of the present study was to test the use of the theoretically based School Well-being Profile to clarify the aspects of well-being in schools and to test if the Profile could be used to identify differences in well-being between classes in school. The data were collected in connection with the Koulumiete Project in Finland; 1346 pupils and 69 classes from grades seven to nine were included in the present data. In the school conditions category, the physical conditions that most needed improvement were ventilation, toilet facilities and temperature. Time pressure was also reported widely. Concerning social relationships, teachers' interest in how pupils are doing and teachers' fair treatment were the aspects calling for attention. In the means for self-fulfillment category pupils' participation in school development was a key area for reform. The most prevalent psychosomatic symptoms in the health status category were headache and feeling tired or weak. The School Well-being Profile seemed to work well when evaluating well-being differences between classes. By utilizing the results locally, the school personnel can act to develop their own school. The Profile could be used as a tool when planning and evaluating well-being and mental health promotion interventions in schools.

Adolescent↗
PubMed1992

The street children of Recife: a study of their background.

A classification of street children as those 'on' the street and 'of' the street is offered. In a study of children 'on' the street, economic need of the family was the main cause (82 per cent). The children were 14 times more likely to come from families who have recently moved into a neighbourhood; 3 and 3.7 times, respectively, to come from households headed by the mother or her male companion; nine times more likely to be living in homes without running water, and four times more likely to be without toilet facilities. The family income was a third less than average. Some families had sent their children out to work as early as the age of 5 years. Ninety-four per cent of the children were contributing between half to all of their earning to the home, although this was less so with older children. Exploitation at work was common. More than three-quarters earned less than the minimum wage, and half of them earned less than half the minimum wage. More than a third were not attending school and, among them, 87 per cent had left school after going 'on' the street. Those attending school were a grade or two behind that expected for their age. After working on the street for several years (mode = 4 years; longest = 12 years) most could see themselves as continuing to work in the informal sector. They ways in which MCH services can respond to the needs of street children are discussed.

Adolescent↗
PubMed1996

Quality of life in children with Crohn's disease.

In a 10-week randomised cross-sectional study we used an 88-item questionnaire to assess the quality of life in 16 children (ages 8-17 years) with Crohn's disease and their families. The questionnaire covered six domains of health-related quality of life, including disease and its treatment, social, emotional, family, education, and future aspects. Crohn's disease affected education, with absenteeism in 12 and distraction during school work in six. Three children had had a home tutor, and five stated their need for one. Engaging in sports was a problem for eight children, mainly because of a lack of energy in five and the presence of a stoma in three children. Three children had missed every PE lesson in 1 year. Five children cited the social problem of being unable to stay over at friends' houses. Bullying concerned parents more than the children. Holiday difficulties included long distance traveling or lack of toilet facilities during school trips. Elemental diet was the preferred treatment, although the majority complained about the taste. Surgery was the most effective method of symptom control, though the resulting stoma was upsetting and restricted sports activities. Children on steroids had more depressive symptoms. Using the Rutter A Questionnaire, five children were designated "neurotic." Parents' views of the severity of symptoms significantly correlated with their children's views regarding rectal bleeding, poor growth, lack of energy, and poor appetite (p < 0.01). The main parental concerns were the side effects of medications and issues concerning their children's future, including schooling, job prospects, and marriage. The parents of 11 children cited problems with children's behaviour. The parents of seven cited disruption of work, and those of six named taking holidays. Crohn's disease in children, in addition to being a symptomatically disabling condition, has a great impact on the health-related quality of life of both sufferers and their parents. The questionnaire was a useful instrument, and with some adjustment it can be used again in large group studies.

Adolescent↗
PubMed1981

A survey of working conditions in small-scale industries in Nigeria.

The working conditions in 225 small-scale industrial premises representing nine different trades with a labor force of 1,497 were studied. The provision of drinking water, hand washing and toilet facilities, eating places and cloakrooms was found to be generally unsatisfactory. The indoor workers were on the whole better provided for than those working outdoors except for the provision of cloakrooms and eating places where the reverse was the case. Sanitation was found to be inversely related to the size of the firms (p less than 0.05). Ways of improving the conditions of these people working in rather hazardous circumstances are discussed.

Developing Countries↗
PubMed2003

Do public schools teach voiding dysfunction? Results of an elementary school teacher survey.

PURPOSE: Dysfunctional voiding in children may partly be learned, and constitutes a significant percentage of pediatric urological referrals. Half of a child's waking hours are spent at school, suggesting a significant potential impact on learned toileting behaviors. Nonetheless, data on teacher perception and practice regarding pediatric voiding are lacking. MATERIALS AND METHODS: A total of 1,000, 21-question surveys were mailed to randomly selected Iowa public elementary school teachers, of which 467 were returned and analyzed. RESULTS: Eighty percent of respondents reported set times for student bathroom breaks. More than half requested all children go to the bathroom at the set times. One-third asked a child requesting a break in the middle of class to wait. Thirty-five percent and 48%, respectively, reported the boys and girls bathrooms were always sanitary. Forty-seven percent and 36% believed bathroom sanitation was progressively worse during the day for boys and girls bathrooms, respectively. Forty-two percent and 34% noticed bullying and lack of supervision, respectively, in the boys bathrooms. Seventeen percent, 16% and 15% suspect an underlying health problem in children who urinate more frequently than normal, or wet or defecate in their pants, respectively. More experienced teachers are significantly more likely to report these suspicions to the school nurse. Only 18% of respondents reported receiving information about abnormal voiding or stooling. Only 8% were aware of specialists trained to treat children with these problems. CONCLUSIONS: Teachers report suboptimal toileting conditions for many children at public schools. These conditions appear to become significantly worse following kindergarten. Teachers have the potential to have a significant impact on dysfunctional voiding but are infrequently informed regarding these issues.

Child↗
PubMed1994

The epidemiology of perinatal death in Jamaica.

Information from the Jamaican Perinatal Mortality Survey was used to identify features of mothers and their pregnancies that were independently associated with perinatal death. Social, biological, environmental, life style and medical aspects of mothers and their pregnancies were collected on two inter-locking subsamples: (1) all births on the island of Jamaica in the 2 months of September and October 1986, the 'cohort months', and (2) all fetal deaths of weight 500 g or more, together with all neonatal deaths, in the 12-month period from 1 September 1986 to 31 August 1987. Singleton survivors from the cohort months were compared with all perinatal deaths in the 12-month period using logistic regression. The first model omitted items concerning past obstetric history, but these were included in the second model. In total, 21 variables entered the first model and 24 the second. The only item that became non-significant when past obstetric history was included was maternal age. The final model compared 1017 perinatal deaths with 7672 survivors. It consisted of the following: union (marital) status (married being at lower risk, P < 0.01), maternal employment status (housewives at lowest risk, P < 0.001), number of adults in household (the more the higher the risk, P < 0.05), the number of children aged < 11 (the more the lower the risk, P < 0.0001), use of toilet facilities (shared with other households increased risk, P < 0.001), maternal height (tall women at reduced risk, P < 0.001), mother's report that she was trying to get pregnant (P < 0.001), maternal alcohol consumption (drinkers had lower risk, P < 0.05), maternal syphilis (higher risk, P < 0.0001), bleeding before 28 weeks (higher risk, P < 0.0001), bleeding at 28 weeks or more (higher risk, P < 0.0001), first diastolic blood pressure (80 mm + at higher risk, P < 0.0001), highest diastolic blood pressure (100 mm + at increased risk, P < 0.0001), highest proteinuria (++ or more at increased risk, P < 0.0001), vaginal discharge/infection (untreated at increased risk, P < 0.001), pre-eclampsia diagnosed in antenatal period (increased risk, P < 0.01), maternal diabetes (increased risk, P < 0.05), start of antenatal care (first trimester at reduced risk, P < 0.01), iron taken (reduced risk, P < 0.0001), type of perinatal care available in parish of residence (reduced risk if consultant obstetricians and paediatricians available at all times, P < 0.0001), number of miscarriages and terminations (the more the higher the risk, P < 0.0001), previous stillbirth (higher risk, P < 0.0001), previous early neonatal death (higher risk, P < 0.001), previous Caesarean section (higher risk, P < 0.01). The implications for reduction in perinatal mortality rates are discussed.

Cohort Studies↗