scholarly journals Potential sources of bias in the use of individual's recall of the frequency of exposure to air pollution for use in exposure assessment in epidemiological studies: a cross-sectional survey

2004 ◽  
Vol 3 (1) ◽  
Author(s):  
Paul R Hunter ◽  
Karen Bickerstaff ◽  
Maria A Davies
Keyword(s):  
Air Pollution ◽  
Exposure Assessment ◽  
Epidemiological Studies ◽  
Cross Sectional Survey ◽  
Cross Sectional ◽  
Potential Sources

AWARENESS ABOUT INDOOR AIR POLLUTION IN GENERAL POPULATION OF RAWALPINDI AND ISLAMABAD

2018 ◽  
Vol 8 (2) ◽  
pp. 80-83
Author(s):  
Nadia Tariq ◽  
Tamkeen Jaffry ◽  
Rahma Fiaz ◽  
Abdul Majid Rajput ◽  
Sadaf Khalid
Keyword(s):  
Air Pollution ◽  
General Population ◽  
Indoor Air ◽  
Indoor Air Pollution ◽  
Economic Status ◽  
Educational Status ◽  
Epidemiological Studies ◽  
Cross Sectional Survey ◽  
Cross Sectional ◽  
Significant Difference

Background: Indoor air pollutants are increasingly being associated with respiratory illnesses leading to high degree of morbidity and mortality. There are not sufficient epidemiological studies from Pakistan which assess level of awareness of indoor air pollution resulting in respiratory diseases in population. Methods: This cross sectional survey was carried out on general population of Rawalpindi/Islamabad. Sample size was 223 study subjects selected by non-probability convenient sampling. Knowledge of the study subjects was determined with regard to indoor air pollution, its effects on health and different sources of indoor air pollution with the help of a questionnaire. The influence of age, gender, educational status and socio economic status on the level of awareness was also analyzed. Results: Out of total 223 participants, 115 were males and108 females. Participants aware of indoor air pollution were 91.5% and adequate awareness about its sources was 80.7%. Those who knew indoor air pollution is detrimental to health were 95.1%. Awareness about building construction dust as source of indoor air pollution was maximum (84.8%). There was significant difference in awareness among participants with different monthly incomes and educational status and also between males and females. Conclusion: This study concludes that general population of Rawalpindi/Islamabad has fairly good awareness about sources of indoor air pollution. Use of harmful material causing indoor air pollution should be limited or substituted with better ones where possible.

scholarly journals The Relationship Between Reported Pain and Depressive Symptoms Among Adolescents

2018 ◽  
Vol 36 (2) ◽  
pp. 87-93 ◽  
Author(s):  
Sofie Borgman ◽  
Ida Ericsson ◽  
Eva K. Clausson ◽  
Pernilla Garmy
Keyword(s):  
Abdominal Pain ◽  
Back Pain ◽  
Depressive Symptoms ◽  
Depression Scale ◽  
Epidemiological Studies ◽  
Cross Sectional Survey ◽  
Cross Sectional ◽  
Scale Scores ◽  
Prevalence Of Pain ◽  
The Relationship

Pain and depressive symptoms are common reasons for adolescents to contact the school nurse. The aim was to describe the prevalence of pain (headache, abdominal pain, and back pain) and depressive symptoms among adolescents and to examine whether there is an association between pain and depressive symptoms. This cross-sectional survey included students ( N = 639) in Sweden (median age: 16 years). Over half of the female participants (56%) and one third of male participants (33%) had weekly headaches, abdominal pain, or back pain. Almost every second girl (48%) and one in four boys (25%) had depressive symptoms (as measured by the Center for Epidemiological Studies Depression Scale, scores ≥ 16). There was a significant association between having pain (headache, abdominal pain, or back pain) and having depressive symptoms. It is of great importance for school nurses to adequately identify and treat the cause of pain and other factors contributing to depression.

scholarly journals Distribution of sources of household air pollution: a cross-sectional study in Cameroon

2021 ◽  
Author(s):  
Esong Miranda Baame ◽  
André Pascal Goura ◽  
Bertrand Hugo Ngahane Mbatchou ◽  
Berenice Walage ◽  
Herman Styve Yomi Simo ◽  
...  
Keyword(s):  
Air Pollution ◽  
Rural Communities ◽  
Health District ◽  
Household Air Pollution ◽  
Easy Access ◽  
Population Exposure ◽  
Liquefied Petroleum Gas ◽  
Cross Sectional Survey ◽  
Related Factors ◽  
Cross Sectional

Abstract Background: Household air pollution (HAP) is a recognised risk factor for many diseases, including respiratory diseases, cardiovascular/circulatory disorders, adverse pregnancy outcomes and cataracts. Population exposure to biomass fuels, including wood, varies among countries and from one fuel source to the other. This study aimed to investigate the different sources of HAP in peri-urban and rural communities in Cameroon. Methods: A cross-sectional survey was conducted in a representative sample of households from the Dschang Health District (DHD) region. This included 848 homes in which a range of fuels for cooking including biomass (firewood, charcoal, sawdust), kerosene and liquefied petroleum gas (LPG) were used both indoors and outdoors. Results: Of the study households, 651 (77%) reported exclusive use of firewood and 141 (17%) reported using more than one source of fuel. Exclusive use of firewood was greater in rural communities (94%) than in peri-urban communities (38%). In peri-urban communites, use of multiple fuels including LPG, wood, sawdust and kerosene, was more common (44.75%). A total of 25.03% of households in both peri-urban and rural communities reported using bottled gas (or liquified petroleum gas (LPG) for cooking. Motivations for choice of fuel included, price, availability (easy access), rapidity, tradition or culture related factorsConclusion: Wood is the main cooking fuel in both peri-urban and rural communities in the Dschang Health District. Work to help households (especially those who are resource poor) to adopt LPG equipment for cooking, and use in a more exclusive way is required.

scholarly journals A Review of the Epidemiological Methods Used to Investigate the Health Impacts of Air Pollution around Major Industrial Areas

2013 ◽  
Vol 2013 ◽  
pp. 1-17 ◽  
Author(s):  
Mathilde Pascal ◽  
Laurence Pascal ◽  
Marie-Laure Bidondo ◽  
Amandine Cochet ◽  
Hélène Sarter ◽  
...  
Keyword(s):  
Air Pollution ◽  
Birth Outcome ◽  
Respiratory Health ◽  
Health Indicators ◽  
Epidemiological Studies ◽  
Epidemiological Methods ◽  
Multicenter Studies ◽  
Cross Sectional ◽  
Industrial Areas ◽  
Statistical Designs

We performed a literature review to investigate how epidemiological studies have been used to assess the health consequences of living in the vicinity of industries. 77 papers on the chronic effects of air pollution around major industrial areas were reviewed. Major health themes were cancers (27 studies), morbidity (25 studies), mortality (7 studies), and birth outcome (7 studies). Only 3 studies investigated mental health. While studies were available from many different countries, a majority of papers came from the United Kingdom, Italy, and Spain. Several studies were motivated by concerns from the population or by previous observations of an overincidence of cases. Geographical ecological designs were largely used for studying cancer and mortality, including statistical designs to quantify a relationship between health indicators and exposure. Morbidity was frequently investigated through cross-sectional surveys on the respiratory health of children. Few multicenter studies were performed. In a majority of papers, exposed areas were defined based on the distance to the industry and were located from <2 km to >20 km from the plants. Improving the exposure assessment would be an asset to future studies. Criteria to include industries in multicenter studies should be defined.

Biochemical measures in a population-based study: effect of fasting duration and time of day

2002 ◽  
Vol 39 (5) ◽  
pp. 493-501 ◽  
Author(s):  
JR Emberson ◽  
PH Whincup ◽  
M Walker ◽  
M Thomas ◽  
KGMM Alberti
Keyword(s):  
Ldl Cholesterol ◽  
Epidemiological Studies ◽  
Population Based ◽  
Time Of Day ◽  
Cross Sectional Survey ◽  
Cross Sectional ◽  
Glucose Levels ◽  
Heart Study ◽  
Biochemical Measurements ◽  
Fasting Duration

Background: Epidemiological studies generally aim to make simple but unbiased measurements of individuals. For this reason measurements of metabolic variables (including blood lipids, glucose and insulin) are usually carried out after a period of fasting. Few studies have examined the extent to which the use of a defined protocol for fasting in epidemiological studies abolishes the influence of fasting duration and time of day on biochemical measurements. Methods: Cross-sectional survey of British Regional Heart Study participants (4252 men aged 60-79 years), in which men without diabetes were asked to provide a blood sample after fasting for at least 6 h. Serum total, HDL and LDL cholesterol, triglyceride and insulin, and plasma glucose concentrations were measured between 08:00 h and 18:00 h. Results: Non-fasting men had lower mean LDL cholesterol and higher glucose, insulin and triglyceride levels than fasting men; these differences were more marked among diabetics. Among fasting men without diabetes, insulin and glucose levels were strongly related to time of day, falling gradually throughout the morning and remaining stable in the afternoon. Because of these relationships and the dependence of fasting duration on time of day, insulin and glucose displayed a periodic relation with fasting duration above 6 h. These associations were largely abolished by adjustment for time of day; associations with time of day were unaffected by adjustment for fasting duration. Triglyceride concentrations fell with increasing fasting duration. This relationship was also mediated through a gradual increase in triglyceride levels throughout the day. Adjustments to compensate for these variations are described. Discussion: Even after fasting, biochemical measurements may still differ in relation to fasting duration and time of day. In epidemiological studies, it is important to standardize both the period of fasting and the time of day as much as possible, and make adjustments where necessary.

scholarly journals Prevalence of impaired renal function among rural and urban populations: findings of a cross-sectional study in Malawi

2019 ◽  
Vol 4 ◽  
pp. 92 ◽  
Author(s):  
Wisdom P Nakanga ◽  
Josephine E Prynn ◽  
Louis Banda ◽  
Robert Kalyesubula ◽  
Laurie A Tomlinson ◽  
...  
Keyword(s):  
Risk Factors ◽  
Renal Function ◽  
Urban Areas ◽  
Impaired Renal Function ◽  
Herbal Medicines ◽  
Epidemiological Studies ◽  
Sub Saharan Africa ◽  
Cross Sectional Survey ◽  
Cross Sectional ◽  
Rural And Urban

Background: Sub-Saharan Africa faces region-specific risk factors for chronic kidney disease (CKD), such as nephrotoxic herbal medicines, antiretroviral therapy and infections, in addition to hypertension and diabetes. However, large epidemiological studies from this area are scarce. Methods: In a cross-sectional survey of non-communicable diseases, we conducted a prevalence sub-study of CKD in two Malawian populations. Study participants (N=5264) of 18 years of age and above were recruited and data on demographics and CKD risk factors were collected. Glomerular filtration rate was estimated (eGFR) using the CKD-EPI equation. Results: The prevalence of eGFR<60ml/min/1.73m2 was 1.4% (95% CI 1.1 – 1.7%) and eGFR<90ml/min/1.73m2 was 20.6% (95% CI 19.5 – 21.7%). The rural area had higher age-standardized prevalence of both eGFR<60ml/min/1.73m2, at 1.8% (95% CI 1.4 – 2.3) and eGFR <90 ml/min/1.73m², at 21.1% (95% CI 19.9 – 22.3), than urban location, which had a prevalence of 1.5%, (95% CI 1.0 – 2.2) and 19.4% (95% CI 18.0 – 20.8), respectively, with overlapping confidence intervals. The prevalence of CKD was lower in females than in males in both rural and urban areas. Older age (p < 0.001), a higher level of education (p = 0.03) and hypertension (p < 0.001) were associated with a higher adjusted odds ratio (aOR) of low eGFR. Diabetes was associated with a reduced aOR of eGFR<90ml/min/1.73m2 of 0.69 (95% CI 0.49–0.96; p=0.03). Of participants with eGFR<60ml/min/1.73m2, 14 (19.4%) had no history of hypertension, diabetes or HIV, while 36 (50%) had a single risk factor of being hypertensive. Conclusions: Impaired renal function is prevalent, but lower than expected, in rural and urban Malawi. Further research is needed to increase understanding of CKD incidence, survival and validation of eGFR calculations in this population.

scholarly journals Distribution of sources of household air pollution: a cross-sectional study in Cameroon

2020 ◽  
Author(s):  
Esong Miranda Baame ◽  
André Pascal Goura ◽  
Bertrand Hugo Ngahane Mbatchou ◽  
Berenice Walage ◽  
Herman Styve Yomi Simo ◽  
...  
Keyword(s):  
Air Pollution ◽  
Rural Communities ◽  
Health District ◽  
Household Air Pollution ◽  
Easy Access ◽  
Population Exposure ◽  
Liquefied Petroleum Gas ◽  
Cross Sectional Survey ◽  
Cross Sectional ◽  
Adverse Pregnancy

Abstract Background: Household air pollution (HAP) is a recognised risk factor for many diseases, including respiratory diseases, cardiovascular/circulatory disorders, adverse pregnancy outcomes and cataracts. Population exposure to biomass fuels, including wood, varies among countries and from one fuel source to the other. This study aimed to investigate the different sources of HAP in peri-urban and rural communities in Cameroon. Methods: A cross-sectional survey was conducted in a representative sample of households from the Dschang Health District (DHD) region. This included 848 homes in which a range of fuels for cooking including biomass (firewood, charcoal, sawdust), kerosene and liquefied petroleum gas (LPG) were used both indoors and outdoors. Results: Of the study households, 651 (77%) reported exclusive use of firewood and 141 (17%) reported using more than one source of fuel. Exclusive use of firewood was greater in rural communities (94%) than in peri-urban communities (38%). In peri-urban communites, use of multiple fuels including LPG, wood, sawdust and kerosene, was more common (44.75%). A total of 25.03% of households in both peri-urban and rural communities reported using bottled gas (or liquified petroleum gas (LPG) for cooking. Motivations for choice of fuel included, price, availability (easy access), rapidity, tradition or culture related factorsConclusion: Wood is the main cooking fuel in both peri-urban and rural communities in the Dschang Health District. Work to help households (especially those who are resource poor) to adopt LPG equipment for cooking, and use in a more exclusive way is required.

scholarly journals Kemampuan Tanaman Kelapa Sawit Dalam Mereduksi Dust Fall Dari Perlintasan Transportasi Angkutan Batubara

2019 ◽  
Vol 16 (1) ◽  
pp. 721
Author(s):  
Titik Fujianti ◽  
Junaidi Junaidi ◽  
Zulfikar Ali As
Keyword(s):  
Air Pollution ◽  
Palm Oil ◽  
Survey Design ◽  
Cross Sectional Survey ◽  
Cross Sectional ◽  
Dust Fall ◽  
Coal Transportation ◽  
Regression Test ◽  
Dust Level ◽  
The Difference

Abstract: Abilities Of Oil Palm In Reducing Dusk Fall In (Trasnportation) Track Coal. In generally air environment changes because air pollution, activity in coal transportation give an air pollution impact is the dusk along coal transportation track. One of the ways to handling the dusk with planting barrier who can reducing the dusk particles. This research aimed to know palm oil abilities in reducing levels of submerged dusk. Method in this research is analytic observation, with cross sectional survey design. Population and sample of this research is measured dust level measured at 5 research location that is 1 m, 50 m, 100 m, 150 m, and 200 m. Width distance barrier in every location be measured 2 point of sample is without barrier and with barrier which to do in 5 replications. For data analysis, researchers used T-test independent, simple regression test and same subject anova test. The result of this research showed that the difference between levels of submerged dusk without barrier and with barrier. There is an effect distance to levels of the submerged dusk in length 1 m 173,66 ton/km2/month showed that reduction in length 200 m 17,06 ton/km2/month. Palm oil proved that reducing levels of submerged dusk in length 100 m levels of submerged dusk under environment standard.

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