Odds Ratio
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Glossary
Objective Well-Being Synonyms Objective Life Conditions Definition Objective Well-Being focuses on what people have (access to resources and opportunities), which constitute the objective conditions of the good life.
Obsessions Definition Recurrent and persistent thoughts, impulses or images, experienced as intrusive or inappropriate, that cause distress or anxiety. Obsessions are recognized as a product of ones own mind, and are associated with attempts from the patient to ignore or suppress them or to neutralize them with another thought or action. Examples are contamination obsessions (fear of being contaminated), aggressive obsessions (aggressive images or impulses), symmetry, etc.
Obsessive-Compulsive Disorder Definition Currently classified among anxiety disorders, Obsessive-Compulsive Disorder is defined by the presence of obsessions or compulsions, by the fact that the subjects recognizes that symptoms are excessive or unreasonable, and by the fact that symptoms cause a marked distress, are time consuming or significantly interfere with functioning.
Obstructive Sleep Apnea Definition A disease consisting in the collapse of the upper airway structures intermittently during
sleep with intermittent gas abnormalities as a consequence.
exchange
OC ▶ Oral Contraceptives
Occupational Accident Definition An event of unexpected and unplanned occurrence arising out of or in connection with work which results in one or more workers incurring a personal injury, disease or death.
Occupational Injury Definition Any personal injury, disease or death resulting from an occupational accident.
OCD ▶ Obsessive-Compulsive Disorder
OCP ▶ Onchocerciasis Control Program
Odds Ratio Definition Odds Ratio (OR) is a non-negative measure of association between two variables (at least one dichotomous). When measuring the strength of association between the presence/absence of a factor and the presence/ absence of a disease, OR can be used regardless of the type of epidemiological study
Glossary
(prospective, case-control, or cross-section). OR = 1 denotes independence. When OR > 1, there is a positive association, with the highest values indicating the strongest (positive) association. When OR < 1, there is a negative association, with the smallest values indicating the strongest (negative) association. If OR > 1, there is a risk factor; if OR < 1, there is a protective factor. OR can be interpretable as the correspondent relative risk (RR) only if the probability of disease is low in both subjects affected and not affected by the factor.
Onchocerciasis Control Program Definition In 1974, the World Health Organization, the World Bank, the United Nations Development Program, and their partners launched the Onchocerciasis Control Program in West Africa where some African communities were severely affected by the river blindness.
Onychomycosis ODSQ Definition Onychomycosis disease-specific questionnaire.
Definition Fungal infection of fingernails or toenails.
OnyCOE-tTM Questionnaire OECD ▶ Organization for Econ
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