Maria Beatriz Trindade de Castro1, Ana Amélia Freitas Vilela1, Alessandra Silva Dias de Oliveira2, Maria Cabral3, Rita Adriana Gomes de Souza4, Gilberto Kac1, Rosely Sichieri5. 1. 1Nutritional Epidemiology Observatory,Department of Social and Applied Nutrition,Institute of Nutrition Josué de Castro,Federal University of Rio de Janeiro,Avenida Carlos Chagas Filho 367,CCS - Bloco J - 2º andar - sala 29,Cidade Universitária - Ilha do Fundão,Rio de Janeiro,RJ,21941-590,Brazil. 2. 2Graduate Program in Nutrition,Institute of Nutrition Josué de Castro,Federal University of Rio de Janeiro,Rio de Janeiro,RJ,Brazil. 3. 3EPIUnit - Institute of Public Health,University of Porto,Porto,Portugal. 4. 4Department of Public Health,Institute of Public Health,Federal University of Mato Grosso,Cuiabá,MT,Brazil. 5. 5Department of Epidemiology,Institute of Social Medicine,State University of Rio de Janeiro,Rio de Janeiro,RJ,Brazil.
Abstract
OBJECTIVE: Sociodemographic factors may affect adherence to specific dietary patterns during pregnancy. The present study aimed to identify dietary patterns during pregnancy and associated factors among Brazilian pregnant women. DESIGN: A cross-sectional analysis. Dietary intake was evaluated with a semi-quantitative FFQ during the first postpartum week; the time frame included the second and third gestational trimesters. Principal component analysis was used to identify dietary patterns during pregnancy. Sociodemographic data were obtained using a structured questionnaire. Multiple linear regressions were applied to test the associations between the sociodemographic factors and dietary patterns. SETTING: Mesquita, Rio de Janeiro, Brazil, 2011. SUBJECTS: Postpartum women (n 327) who were 18-45 years of age and Mesquita residents. RESULTS: Three different dietary patterns were identified: 'healthy' (mainly comprising legumes, vegetables and fruits), 'mixed' (mainly comprising candy, butter and margarine, and snacks) and 'traditional' (mainly comprising beans and rice). Women with a higher monthly per capita family income (β=0·0006; 95% CI 0·0001, 0·001; P=0·011) and women of older age (β=0·021; 95% CI -0·001, 0·042; P=0·058) were more likely to adhere to the 'healthy' dietary pattern. Women with higher parity were less likely to adhere to the 'healthy' pattern (β=-0·097; 95% CI -0·184, -0·009; P=0·030) and were more likely to adhere to the 'traditional' pattern (β=0·098; 95% CI 0·021, 0·175; P=0·012). Although not statistically significant, older women were less likely to adhere to the 'mixed' (β=-0·017; 95% CI -0·037, 0·003; P=0·075) and 'traditional' (β=-0·018; 95% CI -0·037, 0·001; P=0·061) dietary patterns. CONCLUSIONS: Monthly per capita family income, parity and maternal age were factors associated with adherence to a healthy diet during pregnancy.
OBJECTIVE: Sociodemographic factors may affect adherence to specific dietary patterns during pregnancy. The present study aimed to identify dietary patterns during pregnancy and associated factors among Brazilian pregnant women. DESIGN: A cross-sectional analysis. Dietary intake was evaluated with a semi-quantitative FFQ during the first postpartum week; the time frame included the second and third gestational trimesters. Principal component analysis was used to identify dietary patterns during pregnancy. Sociodemographic data were obtained using a structured questionnaire. Multiple linear regressions were applied to test the associations between the sociodemographic factors and dietary patterns. SETTING: Mesquita, Rio de Janeiro, Brazil, 2011. SUBJECTS: Postpartum women (n 327) who were 18-45 years of age and Mesquita residents. RESULTS: Three different dietary patterns were identified: 'healthy' (mainly comprising legumes, vegetables and fruits), 'mixed' (mainly comprising candy, butter and margarine, and snacks) and 'traditional' (mainly comprising beans and rice). Women with a higher monthly per capita family income (β=0·0006; 95% CI 0·0001, 0·001; P=0·011) and women of older age (β=0·021; 95% CI -0·001, 0·042; P=0·058) were more likely to adhere to the 'healthy' dietary pattern. Women with higher parity were less likely to adhere to the 'healthy' pattern (β=-0·097; 95% CI -0·184, -0·009; P=0·030) and were more likely to adhere to the 'traditional' pattern (β=0·098; 95% CI 0·021, 0·175; P=0·012). Although not statistically significant, older women were less likely to adhere to the 'mixed' (β=-0·017; 95% CI -0·037, 0·003; P=0·075) and 'traditional' (β=-0·018; 95% CI -0·037, 0·001; P=0·061) dietary patterns. CONCLUSIONS: Monthly per capita family income, parity and maternal age were factors associated with adherence to a healthy diet during pregnancy.
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