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Association between population mean and distribution of deviance in demographic surveys from 65 countries: cross sectional study

Razak, Fahad ; Subramanian, SV ; Sarma, Shohinee ; Kawachi, Ichiro ; Berkman, Lisa ; Davey Smith, George ; Corsi, Daniel J

BMJ (Online), 2018-08, Vol.362, p.k3147-k3147 [Periódico revisado por pares]

England: BMJ Publishing Group LTD

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Título:
Association between population mean and distribution of deviance in demographic surveys from 65 countries: cross sectional study
Autor: Razak, Fahad ; Subramanian, SV ; Sarma, Shohinee ; Kawachi, Ichiro ; Berkman, Lisa ; Davey Smith, George ; Corsi, Daniel J
Assuntos: Adult ; Alcohol use ; Anemia ; Anemia - blood ; Anemia - epidemiology ; Blood pressure ; Body Mass Index ; Body weight ; Cholesterol ; Chronic illnesses ; Cross-Sectional Studies ; Disease prevention ; Female ; Health Surveys ; Hemoglobin ; Hemoglobins - analysis ; Humans ; Hypertension ; Hypotheses ; Inequality ; Low income groups ; Malnutrition - blood ; Malnutrition - epidemiology ; Metabolism ; Middle Aged ; Obesity ; Outcome Assessment, Health Care ; Overweight ; Overweight - blood ; Overweight - epidemiology ; Population ; Population Dynamics ; Prevalence ; Public health ; Socioeconomic Factors ; Thinness - blood ; Thinness - epidemiology ; Trends ; Underweight
É parte de: BMJ (Online), 2018-08, Vol.362, p.k3147-k3147
Notas: ObjectType-Article-1
SourceType-Scholarly Journals-1
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Descrição: AbstractObjectivesTo examine whether conditions related to scarcity at the left side of the distribution (anaemia, severe chronic energy deficiency, and underweight) are as strongly related to population means as conditions of excess at the right side of the distribution (overweight and obesity).DesignObservational study.Setting65 countries, with nationally representative cross sectional data from 1994 to 2014 obtained from the Demographic Health Surveys.ParticipantsNon-pregnant women aged 20-49. Sample of 65 countries and n=524 380 for analysis of BMI; sample of 44 countries and n=316 465 for analysis of haemoglobin.Main outcome measuresThe association between mean and prevalence of each category. For BMI, prevalence of severe chronic energy deficiency (SCED, BMI <16.0), underweight (BMI <18.5), overweight (BMI >25) and obese (BMI >30.) were measured; for haemoglobin, prevalence of anaemia (haemoglobin <12.0 g/dL) and severe anaemia (haemoglobin <8.0 g/dL) were examined.ResultsThere was a strong association between mean BMI and prevalence of overweight (r2=0.98; r=0.99; β=8.3 (8.0 to 8.6)) and obesity (r2=0.93; r=0.97; β=4.2 (3.9 to 4.5)). For left sided conditions, a moderate to strong association was found between mean BMI and prevalence of underweight (r2=0.67; r=−0.82; β=−2.7 (−3.1 to −2.2)), and a weaker association for SCED (r2=0.38; r=−0.61; β=−0.32 (−0.43 to −0.22)). There was a moderate association between mean haemoglobin and prevalence of anaemia (r2=0.46; r=−0.68; β=−10.8 (−14.5 to −7.1)) and a weaker association with severe anaemia (r2=0.30; r=-0.55; β=−0.55 (−0.81 to −0.29)).ConclusionsThe associations between population means and prevalence of conditions of scarcity such as low BMI and anaemia were substantially weaker than the associations of mean BMI with conditions of excesses such as overweight and obesity.
Editor: England: BMJ Publishing Group LTD
Idioma: Inglês

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Association between population mean and distribution of deviance in demographic surveys from 65 countries: cross sectional study

Razak, Fahad ; Subramanian, SV ; Sarma, Shohinee ; Kawachi, Ichiro ; Berkman, Lisa ; Davey Smith, George ; Corsi, Daniel J

England: BMJ Publishing Group LTD

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