Cross‐sectional association of irregular dietary habits with glycemic control and body mass index among people with diabetes

ABSTRACT Aims/Introduction To determine the association of irregular dietary habits with HbA1c and body mass index (BMI) in people with diabetes. Materials and Methods We included 4,421 people with diabetes aged 20–74 years (type 1 diabetes (T1D), 19.1%) who answered a questionnaire at mealtime. Adj...

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Main Authors: Mika Shimizu, Junko Oya, Yuichiro Kondo, Aki Katamine, Yukiko Hasegawa, Tomoko Nakagami
Format: Article
Language:English
Published: Wiley 2025-02-01
Series:Journal of Diabetes Investigation
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Online Access:https://doi.org/10.1111/jdi.14347
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author Mika Shimizu
Junko Oya
Yuichiro Kondo
Aki Katamine
Yukiko Hasegawa
Tomoko Nakagami
author_facet Mika Shimizu
Junko Oya
Yuichiro Kondo
Aki Katamine
Yukiko Hasegawa
Tomoko Nakagami
author_sort Mika Shimizu
collection DOAJ
description ABSTRACT Aims/Introduction To determine the association of irregular dietary habits with HbA1c and body mass index (BMI) in people with diabetes. Materials and Methods We included 4,421 people with diabetes aged 20–74 years (type 1 diabetes (T1D), 19.1%) who answered a questionnaire at mealtime. Adjusted least square means in HbA1c and BMI in patients with irregular dietary habits: “irregular mealtimes (irregular),” “skipping breakfast (SB),” and “late dinner (LD)” were compared to those with “regular dietary habits (regular).” Multivariable logistic regression analyses were performed to examine the association of irregular dietary habits with HbA1c ≥ 7% and BMI ≥25 kg/m2. Results HbA1c was significantly higher for “irregular” in both sexes and for “LD” in women than those of “regular” in people with T1D. HbA1c was significantly higher for “LD,” and BMI was higher for almost all irregular dietary habits than those of “regular” in people with type 2 diabetes (T2D). Odds ratios (ORs) for HbA1c ≥7% were 3.20 (95% confidence interval (CI), 1.30–7.89) for T1D women with “irregular” and 1.73 (1.20–2.49) and 2.20 (1.14–3.65) for T2D men and women with “LD,” respectively. ORs for BMI ≥25 kg/m2 were 1.60 (95% CI, 1.15–2.22) for T2D men with “irregular” and 1.43 (1.02–2.01) and 2.11 (1.21–3.65) for T2D women and men with “LD,” respectively. Conclusions Irregular mealtimes are associated with poor glycemic control in T1D women and are associated with obesity in T2D men. Furthermore, a late dinner was associated with high HbA1c levels and BMI in people with T2D.
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spelling doaj-art-079095b743264aaca50d848f1ae605f92025-02-01T10:02:01ZengWileyJournal of Diabetes Investigation2040-11162040-11242025-02-0116228529110.1111/jdi.14347Cross‐sectional association of irregular dietary habits with glycemic control and body mass index among people with diabetesMika Shimizu0Junko Oya1Yuichiro Kondo2Aki Katamine3Yukiko Hasegawa4Tomoko Nakagami5Division of Diabetology and Metabolism, Department of Internal Medicine Tokyo Women's Medical University School of Medicine Tokyo JapanDivision of Diabetology and Metabolism, Department of Internal Medicine Tokyo Women's Medical University School of Medicine Tokyo JapanDivision of Diabetology and Metabolism, Department of Internal Medicine Tokyo Women's Medical University School of Medicine Tokyo JapanDivision of Diabetology and Metabolism, Department of Internal Medicine Tokyo Women's Medical University School of Medicine Tokyo JapanDivision of Diabetology and Metabolism, Department of Internal Medicine Tokyo Women's Medical University School of Medicine Tokyo JapanDivision of Diabetology and Metabolism, Department of Internal Medicine Tokyo Women's Medical University School of Medicine Tokyo JapanABSTRACT Aims/Introduction To determine the association of irregular dietary habits with HbA1c and body mass index (BMI) in people with diabetes. Materials and Methods We included 4,421 people with diabetes aged 20–74 years (type 1 diabetes (T1D), 19.1%) who answered a questionnaire at mealtime. Adjusted least square means in HbA1c and BMI in patients with irregular dietary habits: “irregular mealtimes (irregular),” “skipping breakfast (SB),” and “late dinner (LD)” were compared to those with “regular dietary habits (regular).” Multivariable logistic regression analyses were performed to examine the association of irregular dietary habits with HbA1c ≥ 7% and BMI ≥25 kg/m2. Results HbA1c was significantly higher for “irregular” in both sexes and for “LD” in women than those of “regular” in people with T1D. HbA1c was significantly higher for “LD,” and BMI was higher for almost all irregular dietary habits than those of “regular” in people with type 2 diabetes (T2D). Odds ratios (ORs) for HbA1c ≥7% were 3.20 (95% confidence interval (CI), 1.30–7.89) for T1D women with “irregular” and 1.73 (1.20–2.49) and 2.20 (1.14–3.65) for T2D men and women with “LD,” respectively. ORs for BMI ≥25 kg/m2 were 1.60 (95% CI, 1.15–2.22) for T2D men with “irregular” and 1.43 (1.02–2.01) and 2.11 (1.21–3.65) for T2D women and men with “LD,” respectively. Conclusions Irregular mealtimes are associated with poor glycemic control in T1D women and are associated with obesity in T2D men. Furthermore, a late dinner was associated with high HbA1c levels and BMI in people with T2D.https://doi.org/10.1111/jdi.14347Body mass indexDietary habitsHbA1c
spellingShingle Mika Shimizu
Junko Oya
Yuichiro Kondo
Aki Katamine
Yukiko Hasegawa
Tomoko Nakagami
Cross‐sectional association of irregular dietary habits with glycemic control and body mass index among people with diabetes
Journal of Diabetes Investigation
Body mass index
Dietary habits
HbA1c
title Cross‐sectional association of irregular dietary habits with glycemic control and body mass index among people with diabetes
title_full Cross‐sectional association of irregular dietary habits with glycemic control and body mass index among people with diabetes
title_fullStr Cross‐sectional association of irregular dietary habits with glycemic control and body mass index among people with diabetes
title_full_unstemmed Cross‐sectional association of irregular dietary habits with glycemic control and body mass index among people with diabetes
title_short Cross‐sectional association of irregular dietary habits with glycemic control and body mass index among people with diabetes
title_sort cross sectional association of irregular dietary habits with glycemic control and body mass index among people with diabetes
topic Body mass index
Dietary habits
HbA1c
url https://doi.org/10.1111/jdi.14347
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