A Case-Control Study of Risk Factors Associated with Scrub Typhus Infection in Beijing, China

Abstract Background: Globally, Scrub typhus (ST) is a serious public health issues in the rural of Asia-Pacific area. This study aimed to determine the risk factors associated with ST infection in Luhe District, China. Methods: The case-control study was conducted which involved (N=116) cases consisted of a patient who diagnosed with scrub typhus, and nearest neighbours control (N=232) subjects were selected by matching for occupation, place of residence and age (within 5-years) and lacked a history of scrub typhus. Statistical analysis was performed using SPSS version 25.0 for Windows. Results: The mean age of confirmed cases was 58.1(10.15) years, while that of control subjects were 56.14 (11.57). The ratio of farmers in cases and controls subjects was 90 (77.6%) and 187 (80.6%) respectively. There are no significant differences in the demographic characteristics of the study population (P>0.05). Factors including residential site (χ2=8.57, P=0.05), raising small animal and livestock (χ2=31.53, P<0.001), living in the house near to grassland and vegetable (χ2=16.61, P<0.001), piling weeds in the yard (χ2=15.48, P<0.001), piling weed inside the house and around the house (χ2=56.64, P<0.001), and presence of mouse activities in the house (χ2= 3.88, P<0.054) are significant associated with developing of ST infection. The logistic regression analysis showed that Two out of five general exposure factors were identified which include morning exercise in the park (AOR=3.848, 95% CI=1.018-4.544, P=0.047), and working as labourers in vegetable fields (AOR =1.792, 95% CI=1.12-2.87, P=0.016) posed a significant association with ST infection. Conclusions: The people who tend to involved in outdoor activities are exposure to ST infection. The findings derived from this study provide an information in the control and prevention of ST in Luhe, China.

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Determination of risk factors associated with malnutrition among children under the age of five: a case control study at Arthur Davison children’s hospital in Ndola, Zambia

Asian Pacific Journal of Health Sciences ◽

10.21276/apjhs.2017.4.2.18 ◽

2017 ◽

Vol 4 (2) ◽

pp. 105-109 ◽

Cited By ~ 1

Author(s):

Maurice Mhango ◽

◽

Seter Siziya ◽

Victor Mwanakasale ◽

◽

...

Keyword(s):

Risk Factors ◽

Case Control Study ◽

Case Control ◽

Factors Associated ◽

Children's Hospital ◽

Children’S Hospital ◽

Control Study

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Effects of sagging breasts and other risk factors associated with mastalgia: a case–control study

Scientific Reports ◽

10.1038/s41598-021-82099-2 ◽

2021 ◽

Vol 11 (1) ◽

Author(s):

Bülent Çomçalı ◽

Servet Kocaoz ◽

Buket Altun Özdemir ◽

Ömer Parlak ◽

Birol Korukluoğlu

Keyword(s):

Risk Factors ◽

Case Control Study ◽

Coffee Consumption ◽

Educational Status ◽

Case Control ◽

Tea Consumption ◽

Drinking Alcohol ◽

Factors Affecting ◽

Factors Associated ◽

Control Study

AbstractThe aim of this study is to compare patients with and without mastalgia and to analyze the factors affecting mastalgia and its severity. The patient’s age, height, weight, educational status, marital status, and occupation were recorded in all subjects. In addition, the women were asked about the presence of any risk factors for mastalgia, such as tea and coffee consumption, smoking, alcohol consumption, and weight gain. The sternal notch to nipple distance (SNND) was measured to determine whether there was breast sagging. Mastalgia was significantly more common in women with BMIs of > 30 kg/m2 (OR: 2.94, CI 1.65–5.24), those who were primary school graduates or illiterate (OR: 2.96, CI 1.6–5.46), and those with SNND values of 22–25 cm (OR: 2.94, CI 1.79–4.82). In these women, drinking more than 6 cups of tea a day (OR: 2.15, CI 1.32–3.5), smoking at least 10 cigarettes a day (OR: 2.94, CI 1.78–4.83), and drinking alcohol at least once a week (OR: 2.1, CI 1.12–3.91) were found to be important factors that increased the risk of mastalgia. As a result, it has been found that severe mastalgia complaints cause by obesity, sagging breasts, never giving birth, unemployment anxiety, regular smoking, alcohol use, and excessive tea consumption.

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Risk Factors Associated With Dengue Fever Outbreak in Taiz Governorate, Yemen, 2018: Case-control Study

10.21203/rs.3.rs-624873/v1 ◽

2021 ◽

Author(s):

Abdulkareem Ali Hussein Nassar ◽

Amr Abdulaziz Torbosh ◽

Yassin Abdulmalik Mahyoub ◽

Mohammed Abdullah Al Amad

Keyword(s):

Risk Factors ◽

Dengue Fever ◽

Case Control Study ◽

Significant Risk ◽

Case Fatality ◽

Case Control ◽

Case Definition ◽

P Value ◽

Factors Associated ◽

Control Study

Abstract Background: Dengue Fever (DF) is a significant health problem in Yemen especially in the coastal areas. On November 6, 2018, Taiz governorates surveillance officer notified the Ministry of Public Health and Population on an increase in the number of suspected DF in Al Qahirah and Al Mudhaffar districts, Taiz governorate. On November 7, 2018, Field Epidemiology Training Program sent a team to perform an investigation. The aims were to confirm and describe the outbreak by person, place and time in Taiz governorate, and identify its risk factors.Methodology: Descriptive and case-control study (1:2 ratio) were conducted. WHO case definition was used to identify cases in Al Qahirah or Al Mudhaffar districts during August-November 2018. Control was selected from the same districts who did not suffer from DF. Predesigned questionnaire was used to collect data related to sociodemographic, behavioral and environmental characteristics. Bivariate and multivariate backward stepwise analyses were used. The adjusted odds ratios (aOR) and 95% confidence intervals (95%CI) were calculated. A P value < 0.05 was considered as the cut point for statistically significant. Epi info version 7.2 was used.Results: A total of 50 DF cases were found. Almost 52% were males and 76% were <30 years of age. The overall attack rate was 1/10,000 of the population. Case fatality rate was 4%. In multivariate analysis, not working (aOR = 26.6, 95% CI: 6.8–104.7), not using mosquito repellent (aOR = 13.9, 95% CI:1.4–136.8), wearing short sleeves/pants (aOR = 27.3, 95% CI: 4.8–156.8), poor sanitation (aOR = 5.4, 95% CI: 1.4–20.3), presence of outdoor trees (aOR = 13.2, 95% CI: 2.8–63.0) and houses without window nets (aOR = 15.7, 95% CI: 3.9–63.4) were statistically significant risk factors associated with DF outbreak. Eleven 11 (58%) of blood samples were positive for DF IgM.Conclusions: DF outbreak in Al Qahirah and Al Mudhaffar districts, Taiz governorate was confirmed. This study provides evidence-based information regarding the identified risk factors that contributed to the occurrence of this outbreak. Raising community awareness on the importance of personal protection measures and improving the sanitation services are strongly recommended.

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Risk factors associated with the development of diabetic kidney disease in Sudanese patients with type 2 diabetes mellitus: A case-control study

Diabetes & Metabolic Syndrome Clinical Research & Reviews ◽

10.1016/j.dsx.2021.102320 ◽

2021 ◽

pp. 102320

Author(s):

Mazin MT. Shigidi ◽

Wieam N. Karrar

Keyword(s):

Diabetes Mellitus ◽

Risk Factors ◽

Type 2 Diabetes ◽

Type 2 Diabetes Mellitus ◽

Diabetic Kidney Disease ◽

Case Control Study ◽

Case Control ◽

Factors Associated ◽

Control Study

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Lifestyle Risk Factors Associated with Threatened Miscarriage: A Case-Control Study

Journal of Fertilization In Vitro - IVF-Worldwide Reproductive Medicine Genetics & Stem Cell Biology ◽

10.4172/jfiv.1000123 ◽

2014 ◽

Vol 02 (02) ◽

Author(s):

Tan TC ◽

Neo GH

Keyword(s):

Risk Factors ◽

Case Control Study ◽

Case Control ◽

Factors Associated ◽

Lifestyle Risk Factors ◽

Threatened Miscarriage ◽

Lifestyle Risk ◽

Control Study

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Risk factors associated with early childhood caries – a case control study

Revista Odonto Ciência ◽

10.15448/198-6523.2016.2.21496 ◽

2016 ◽

Vol 31 (2) ◽

pp. 83

Author(s):

Marina De Deus Moura Lima ◽

Zacarias Soares Brito-Neto ◽

Heylane Oliveira Amaral ◽

Cacilda Castelo Branco Lima ◽

Marcoeli Silva de Moura ◽

...

Keyword(s):

Risk Factors ◽

Early Childhood ◽

Early Childhood Caries ◽

Case Control Study ◽

Case Control ◽

Control Group ◽

Factors Associated ◽

History Of ◽

Control Study ◽

Childhood Caries

Objective: The aim of this study was to determine the risk factors associated with early childhood caries (ECC).Methods: It was an observational retrospective case-control study. The case group consisted of all patients diagnosed with ECC in the records of an active program of maternal and child care. The control group was composed of an equal number of children, matched for gender and age, who attended the program and did not have ECC. The process of data collection consisted of completing a pre-established schedule to analyse variables related to the mother/caregiver and child.Statisticalanalysis was performed using the chi-squared and odds ratio (OR), with alpha (α) = 0.05.Results: History of caries in the mother (OR=2.61; CI 95%=1.45-4.67) and father (OR=1.72; CI 95%=1.02-2.89) were key determinants in the child being diagnosed with ECC.Conclusions: The risk factors associated with ECC were the following: no oral hygiene acceptance, nocturnal feeding duration of more than 16 months, a daily intake of sugar greater than 4 times a day, a Baume type II maxillary arch, fewer than 3 consultations with the program, and a history of decay in the parents.

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