The Journal of nutrition · 2025
Associations between Global Diet Quality Score (GDQS) and Obesity in Women of Reproductive Age in Northern Tanzania: A Cross-Sectional Study.
СтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Bliznashka Lilia, Azupogo Fusta, Reynolds Elise, Arnold Charles D, Hess Sonja Y, Kinabo Joyce, Jeremiah Kidola, Malindisa Evangelista, Olney Deanna K, Ruel Marie T
Аннотация
BACKGROUND: Obesity is an increasing problem among women of reproductive age (WRA) in Tanzania.
OBJECTIVE: We described WRA's nutritional status by sociodemographic factors and assessed associations with diet quality.
METHODS: We analyzed baseline data from a cluster-randomized controlled trial in Arusha and Kilimanjaro regions (n = 2415). Diet was assessed using a quantitative 24-h recall. We calculated the Global Diet Quality Score (GDQS; 0-49), with higher scores indicating healthier diet. General obesity was defined as body mass index (BMI) ≥30 kg/m2; morbid obesity as BMI ≥35 kg/m2; and central obesity as: waist circumference (WC) ≥80 cm, WC ≥88 cm, waist-to-hip ratio (WHR) ≥0.85, waist-to-height ratio ≥0.50, and WHR ≥0.85 or BMI ≥30 kg/m2. We tested associations between diet quality and nutritional status using generalized linear models controlling for age and sociodemographic factors and tested interactions to assess differential associations by age groups.
RESULTS: The prevalence of general obesity was 25.1%, morbid obesity 8.4%, and central obesity 48.2%-71.6% depending on the definition. Mean GDQS was 20.9 ± 3.9. General and central obesity were more prevalent among women who were older, less educated, had light physical labor occupations, were in the highest wealth quintile, and lived in more urbanized villages, and in more food-secure households. Higher GDQS was associated with lower risk of morbid obesity: risk ratio 0.97 (95% confidence interval: 0.94, 1.00). Higher GDQS was also associated with 0.25-0.27 kg/m2 lower BMI, 0.54-0.66 cm lower WC, and 0.53-0.58 cm lower hip circumference in women aged 30-49 y.
CONCLUSIONS: Better diet quality emerged as a protective factor for morbid obesity and for other obesity measures among women aged 30-49 y. Our study suggests that interventions to improve diet quality in Tanzania should target women in their 30s and 40s and those with lower physical activity and higher education, food security, and wealth to maximize effectiveness.
OBJECTIVE: We described WRA's nutritional status by sociodemographic factors and assessed associations with diet quality.
METHODS: We analyzed baseline data from a cluster-randomized controlled trial in Arusha and Kilimanjaro regions (n = 2415). Diet was assessed using a quantitative 24-h recall. We calculated the Global Diet Quality Score (GDQS; 0-49), with higher scores indicating healthier diet. General obesity was defined as body mass index (BMI) ≥30 kg/m2; morbid obesity as BMI ≥35 kg/m2; and central obesity as: waist circumference (WC) ≥80 cm, WC ≥88 cm, waist-to-hip ratio (WHR) ≥0.85, waist-to-height ratio ≥0.50, and WHR ≥0.85 or BMI ≥30 kg/m2. We tested associations between diet quality and nutritional status using generalized linear models controlling for age and sociodemographic factors and tested interactions to assess differential associations by age groups.
RESULTS: The prevalence of general obesity was 25.1%, morbid obesity 8.4%, and central obesity 48.2%-71.6% depending on the definition. Mean GDQS was 20.9 ± 3.9. General and central obesity were more prevalent among women who were older, less educated, had light physical labor occupations, were in the highest wealth quintile, and lived in more urbanized villages, and in more food-secure households. Higher GDQS was associated with lower risk of morbid obesity: risk ratio 0.97 (95% confidence interval: 0.94, 1.00). Higher GDQS was also associated with 0.25-0.27 kg/m2 lower BMI, 0.54-0.66 cm lower WC, and 0.53-0.58 cm lower hip circumference in women aged 30-49 y.
CONCLUSIONS: Better diet quality emerged as a protective factor for morbid obesity and for other obesity measures among women aged 30-49 y. Our study suggests that interventions to improve diet quality in Tanzania should target women in their 30s and 40s and those with lower physical activity and higher education, food security, and wealth to maximize effectiveness.