"Odds ratio": algumas considerações

Rumel, Davi

doi:10.1590/s0034-89101986000300011

Cited by 24 publications

(22 citation statements)

References 2 publications

(2 reference statements)

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“…[12][13][14] The parents or legal guardians signed a written consent form in the hospital, and a structured questionnaire, with 81 questions and mean duration of 20 minutes, was then administered. 11,12 The independent variables analyzed were divided into the following sections: sociodemographic data (questions regarding children's sex, age and height);…”

Section: Methodsmentioning

confidence: 99%

Fatores de risco que contribuem para o envenenamento pediátrico

Ramos¹,

Barros²,

Stein³

et al. 2010

J. Pediatr. (Rio J.)

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Objective: To investigate whether the lack of knowledge of toxic agents in households is a risk factor for individual unintentional childhood poisoning. Methods:The case group (n = 25) was composed of caregivers of children under 60 months of age who underwent accidental oral poisoning and were treated at two reference hospitals in Porto Alegre, southern Brazil, and recorded in the Toxicology Information Center database. The control group (n = 25) was composed of caregivers of children matched for sex, age, and presence in their homes of the same toxic agents found in the case group, who sought emergency medical care at the same hospitals, but for other reasons. A structured questionnaire was administered to verify the following questions: sociodemographic data, clinical history, behavioral antecedents of caregivers, storage of toxic agents, history of previous poisoning accidents.Results: The children's mean age was 31.8 months (±0.97) and mean height was 93 cm (±11). Families, in both groups, were aware of the toxic action of agents available in their homes; however, caregivers in the control group were twice as likely to have such knowledge compared to the case group. Distraction was 15 times more likely to occur among caregivers of children who underwent poisoning compared to the control group. Storage of toxic agents below 150 cm was approximately 17 times more likely to occur in the group of children who underwent poisoning compared to children in the control group.Conclusions: Lack of knowledge of the toxic action of agents stored in households is not a risk factor for childhood poisoning. The attributable risks described in this study indicated that the elimination of other factors, such as distraction and storage below 150 cm, would lead to the prevention of 13 and 19% of poisonings in childhood, respectively. J Pediatr (Rio J). 2010;86(5):435-440: Risk factors, poisoning, accident prevention, home accidents, preschool child, behavior.

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Section: Methodsmentioning

confidence: 99%

Fatores de risco que contribuem para o envenenamento pediátrico

Ramos¹,

Barros²,

Stein³

et al. 2010

J. Pediatr. (Rio J.)

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“…The Miettinen formula was used to calculate the confidence interval (CI). The ratio of the birds exposed to the variables relative to the ratio of birds not exposed (Ratio of Cross-product) was used to determine the OR of the variables investigated (RUMEL, 1986); p ≤ 0.05 was considered as significant. All statistical analyses were done by using the software Epi Info 3.5.4 (DEAN et al, 1996).…”

Section: Statistical Analysesmentioning

confidence: 99%

The effects of managerial systems on helminth infection in freerange chickens from northern Paraná, Brazil

Vieira

Yamamura

Freire

et al. 2015

SCA

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The effects of managerial systems on the occurrence of gastrointestinal helminths in Free-Range Chickens (FRCs) from northern Paraná, Brazil were investigated. The most predominant (23.3%; 61/262) cestode observed was Raillietina cesticillus; Heterakis gallinarum (71.4%; 187/262) and Ascaridia galli (45%; 118/262) were the predominant nematodes; Postharmostomum commutatum was the only trematode observed in 2.7% (7/262) of FRCs. The most elevated parasitic burdens were associated with Heterakis gallinarum, Ascaridia galli, and Raillietina cesticillus. Significant (p ≤ 0.05) associations were observed when the effects of the types of bedding, soil type, and fence restriction of FRCs were considered relative to the possibility of helminthiasis.

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“…Entretanto, a OR possibilita a identificação de possíveis associações nas quais a razão de prevalência pode levar a falsas conclusões 40 . Estudos comparativos entre as duas medidas utilizando-se técnica de regressão logística resultam em modelos finais semelhantes, tanto em situações de alta quanto de baixa prevalência do desfecho 39 .…”

Section: Discussionunclassified