45 research outputs found

    Association between inflammatory potential of diet and risk of depression in middle-aged women: the Australian longitudinal study on women's health

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    Dietary factors and inflammation markers have been shown to play a role in the development of depression. However, there are very few studies that have explored the association between inflammatory potential of diet and risk of depression. In this study, we examined the association between the dietary inflammatory index (DII), which was developed specifically to measure the inflammatory potential of diet, and risk of depression in the middle-aged cohort of the Australian Longitudinal Study on Women's Health. A total of 6438 women with a mean age of 52·0 (sd 1·4) years at baseline were followed-up at five surveys over 12 years (2001-2013). Depression was defined as a score of ≥10 on the Center for Epidemiologic Studies Depression-10 scale. The DII score, a literature-derived, population-based dietary index that has been validated against several inflammatory markers, was computed on the basis of dietary intake assessed using a validated FFQ. Generalised estimating equations were used to estimate relative risk (RR) of depression according to DII score. Models were adjusted for energy intake, highest education completed, marital status, menopause status and symptoms, personal illness or injury, smoking status, physical activity, BMI and depression diagnosis or treatment. In total, 1156 women (18 %) had scores≥10 on the CESD scale over the course of 9 years. Women with the most anti-inflammatory diet had an approximately 20 % lower risk of developing depression compared with women with the most pro-inflammatory diet (RRDII quartile 1 v. 4: 0·81; 95 % CI 0·69, 0·96; P trend=0·03). These results suggest that an anti-inflammatory diet is associated with lower risk of depression in middle-aged Australian women

    How do women\u27s diets compare with the new Australian dietary guidelines?

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    Objective To compare women\u27s diets with recommended intakes from the new Australian Dietary Guidelines (ADG 2013). Design Cross-sectional study using data from the Australian Longitudinal Study on Women\u27s Health. Diet was assessed using a validated FFQ. Setting Two nationally representative age cohorts of Australian women. Subjects Women in the young cohort (born 1973-1978, aged 31-36 years) and mid-age cohort (born 1946-1951, aged 50-55 years). Women (n 18 226) were categorised into three groups: \u27young women\u27 (n 5760), young \u27pregnant women\u27 at the time or who had given birth in the 12 months prior to the survey (n 1999) and \u27mid-age women\u27 (n 10 467). Results Less than 2 % of women in all three groups attained the ADG 2013 recommendation of five daily servings of vegetables, with the majority needing more than two additional servings. For young women, less than one-third met recommendations for fruit (32%) and meat and alternatives (28 %), while only a small minority did so for dairy (12 %) and cereals (7 %). Fifty per cent of pregnant women met guidelines for fruit, but low percentages reached guidelines for dairy (22 %), meat and alternatives (10 %) and cereals (2·5 %). For mid-age women, adherence was higher for meat and alternatives (41 %) and cereals (45 %), whereas only 1 % had the suggested dairy intake of four daily servings. Conclusions For most women to follow ADG 2013 recommendations would require substantially increased consumption of cereals, vegetables and dairy. Findings have implications for tailoring the dissemination of dietary guidelines for women in different age groups and for pregnant women

    Association between age at menarche and gestational diabetes mellitus: the Australian longitudinal study on women's health

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    In this study, we aimed to examine the association between age at menarche and gestational diabetes mellitus (GDM). Data were from 4,749 women participating in the Australian Longitudinal Study on Women's Health between 2000 and 2012. Age at menarche was reported at baseline in 2000 when women were aged 22-27 years. During 12 years of follow-up, information on GDM diagnosis was obtained for each live birth. Log-binomial regression analysis was used to estimate relative risks and 95% confidence intervals. Analyses adjusted for mother's highest completed educational qualification, nulliparity, polycystic ovary syndrome, physical activity, and body mass index. Mean age at menarche was 12.9 years (standard deviation, 1.4). A first diagnosis of GDM was reported by 357 women (7.5%). Compared with women with menarche at age 13 years, women who had their first menstruation at age ≤11 years had a 51% higher risk of developing GDM (95% confidence interval: 1.10, 2.07) after adjustment for GDM risk factors. Our findings indicate that a young age at menarche may identify women at higher risk of GDM. Further prospective studies are needed to confirm our findings and to elucidate the role of early-life exposures in age at menarche and subsequent GDM risk.</p

    Association between age at menarche and gestational diabetes mellitus: the Australian longitudinal study on women\u27s health

    No full text
    In this study, we aimed to examine the association between age at menarche and gestational diabetes mellitus (GDM). Data were from 4,749 women participating in the Australian Longitudinal Study on Women\u27s Health between 2000 and 2012. Age at menarche was reported at baseline in 2000 when women were aged 22-27 years. During 12 years of follow-up, information on GDM diagnosis was obtained for each live birth. Log-binomial regression analysis was used to estimate relative risks and 95% confidence intervals. Analyses adjusted for mother\u27s highest completed educational qualification, nulliparity, polycystic ovary syndrome, physical activity, and body mass index. Mean age at menarche was 12.9 years (standard deviation, 1.4). A first diagnosis of GDM was reported by 357 women (7.5%). Compared with women with menarche at age 13 years, women who had their first menstruation at age ≤11 years had a 51% higher risk of developing GDM (95% confidence interval: 1.10, 2.07) after adjustment for GDM risk factors. Our findings indicate that a young age at menarche may identify women at higher risk of GDM. Further prospective studies are needed to confirm our findings and to elucidate the role of early-life exposures in age at menarche and subsequent GDM risk

    Menstrual symptoms and risk of preterm birth: A population-based longitudinal study

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    Objectives: To examine the prospective association between menstrual symptoms before pregnancy and preterm birth. Methods: Secondary analysis of data from 14 247 young Australian women born between 1973 and 1978 who participated in a longitudinal, population-based cohort study between 1996 and 2015. Women were first surveyed at 18-23 years, and seven waves of data were collected at roughly three-yearly intervals. At each survey, women were asked about “severe period pain,” “heavy periods,” and “irregular periods” within the last 12 months. From 2009 onward, information on their children was collected, including birth dates and preterm birth (\u3c37 \u3eweeks). Logistic regression using generalized estimating equations was used to examine prospective associations between self-reported menstrual symptoms before pregnancy and risk of preterm birth. Results: Data from 6615 mothers who had 12 337 live singleton births were available for analysis. Among all births, women reporting severe period pain (adjusted odds ratio [aOR] 1.34 [95% CI 1.10-1.62]) or heavy periods (1.25 [1.02-1.53]) before pregnancy had higher odds of preterm birth. However, in analyses stratified by birth order, only severe period pain (2.05 [1.41-2.99]), heavy periods (1.77 [1.23-2.55]), or irregular periods (1.58 [1.10-2.28]) before a second or subsequent birth were associated with an increased risk of preterm birth. Conclusions: Severe period pain, heavy periods, and irregular periods before a second or subsequent birth may be associated with preterm birth

    Association between inflammatory potential of diet and risk of depression in middle-aged women: The Australian Longitudinal Study on Women\u27s Health

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    Dietary factors and inflammation markers have been shown to play a role in the development of depression. However, there are very few studies that have explored the association between inflammatory potential of diet and risk of depression. In this study, we examined the association between the dietary inflammatory index (DII), which was developed specifically to measure the inflammatory potential of diet, and risk of depression in the middle-aged cohort of the Australian Longitudinal Study on Women\u27s Health. A total of 6438 women with a mean age of 52·0 (sd 1·4) years at baseline were followed-up at five surveys over 12 years (2001-2013). Depression was defined as a score of ≥10 on the Center for Epidemiologic Studies Depression-10 scale. The DII score, a literature-derived, population-based dietary index that has been validated against several inflammatory markers, was computed on the basis of dietary intake assessed using a validated FFQ. Generalised estimating equations were used to estimate relative risk (RR) of depression according to DII score. Models were adjusted for energy intake, highest education completed, marital status, menopause status and symptoms, personal illness or injury, smoking status, physical activity, BMI and depression diagnosis or treatment. In total, 1156 women (18 %) had scores≥10 on the CESD scale over the course of 9 years. Women with the most anti-inflammatory diet had an approximately 20 % lower risk of developing depression compared with women with the most pro-inflammatory diet (RRDII quartile 1 v. 4: 0·81; 95 % CI 0·69, 0·96; P trend=0·03). These results suggest that an anti-inflammatory diet is associated with lower risk of depression in middle-aged Australian women

    The Role of Diet in the Prevention of Diabetes among Women with Prior Gestational Diabetes: A Systematic Review of Intervention and Observational Studies

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    Background Women with prior gestational diabetes (GDM) have an increased lifetime risk of developing type 2 diabetes mellitus (T2DM). There are no up-to-date systematic reviews analyzing the relationship of diet with risk of developing T2DM following GDM. Objective To systematically review the evidence from intervention and observational studies on effects of dietary interventions and associations of dietary intake with T2DM outcomes in women with a GDM history. Methods Six electronic databases were searched (Cumulative Index to Nursing and Allied Health Literature, Embase, Medline, Cochrane Central, Proquest, and Scopus) for articles published until May 2019. This review includes intervention and observational studies among women of any age with a history of GDM that reported on the effects of dietary interventions or association of dietary intake (energy, nutrients, foods, dietary patterns) with T2DM, impaired glucose tolerance, impaired fasting glucose, or prediabetes. Results The systematic review identified five articles reporting results from four intervention studies, and seven articles reporting results from four observational studies. Findings from intervention studies indicated trends toward beneficial effects of a low-glycemic index diet, a low-carbohydrate diet, and a diet in line with general population dietary guidelines, but studies had unclear or high risk of bias. Findings from two cross-sectional and one prospective study indicated poorer diabetes outcomes for women with higher intakes of branched-chain amino acids, total and heme iron, and a diet relatively low in carbohydrates and high in animal fat and protein, and better outcomes among those consuming diets rich in fruit, vegetables, nuts, fish, and legumes, and low in red and processed meats and sugar-sweetened beverages, after adjustment for confounders, including body mass index. Conclusions Findings from observational studies support current dietary guidelines for the prevention of T2DM. Further dietary intervention studies are needed to confirm whether or not dietary modification following a GDM pregnancy reduces women\u27s risk of developing T2DM

    Dietary saturated fat and fibre and risk of cardiovascular disease and all-cause mortality among type 1 diabetic patients: The EURODIAB Prospective Complications Study

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    Aims/hypothesis: Low adherence to recommendations for dietary saturated fatty acid (SFA) and fibre intake in patients with type 1 diabetes mellitus may heighten their increased risk of cardiovascular disease (CVD) and mortality. We examined the relationship of SFA and total, soluble and insoluble fibre with incident CVD and all-cause mortality in type 1 diabetic patients. Methods: A prospective cohort analysis was performed in 2,108 European type 1 diabetic patients aged 15-60 years who were free of CVD at baseline and enrolled in the EURODIAB Prospective Complications Study (51% male). Diet was assessed from a standardised 3 day dietary record. HR were calculated using Cox proportional hazards models. Results: During a mean follow-up of 7.3 years, 148 incident cases of fatal and non-fatal CVD and 46 all-cause deaths were documented. No statistically significant association was found between SFA and CVD and all-cause mortality. Total dietary fibre, per 5 g/day, was associated with lower all-cause mortality risk (HR 0.72;95% CI 0.55, 0.95). This association was stronger for soluble fibre (per 5 g/day, HR 0.34;95% CI 0.14, 0.80) compared with insoluble fibre (per 5 g/day; HR 0.66;95% CI 0.45, 0.97). Similar results were found for the association with CVD. Conclusions/interpretation: This study suggests that reported dietary SFA is not significantly associated with CVD and allcause mortality in type 1 diabetic patients. On the contrary, higher dietary fibre consumption, especially soluble fibre, within the range commonly consumed by type 1 diabetic patients, may contribute to the prevention of CVD and allcause mortality in type 1 diabetic patients

    Does psychosocial stress explain socioeconomic inequities in 9-year weight gain among young women?

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    Objective: This study investigated the contribution of psychosocial stress to mediating inequities in weight gain by educational status in a large cohort of young Australian women over a 9-year follow-up. Methods: This observational cohort study used survey data drawn from 4,806 women, aged 22 to 27 years at baseline (2000), participating in the Australian Longitudinal Study on Women\u27s Health, who reported their education level (2000), perceived stress (2003), and weight (2003 and 2012). Using a causal inference framework based on counterfactuals for mediation analysis, we fitted linear or logistic regression models to examine the total effect, decomposed into natural direct and indirect effects via perceived stress, of education level (highest qualification completed: up to year 12/trade or diploma vs. university) on weight change. Results: Women with lower education gained more weight over 9 years (6.1 kg, standard deviation [SD] 9.5) than women with higher education (3.8 kg, SD 7.7; P \u3c 0.0001) and were more likely to be very or extremely stressed. The higher weight gain associated with low education was not mediated through perceived stress (per SD increase, percent mediated: 1.0%). Conclusions: Education-based inequities in weight gain over time were not attributable to greater psychosocial stress among women with lower education levels
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