Journal List > Korean Diabetes J > v.32(1) > 1002268

Ahn, Han, Koo, Kim, Kim, Park, and Min: Analysis of Meal Habits from the Viewpoint of Regularity in Korean Type 2 Diabetic Patients

Abstract

Background

The regular meal pattern with consistent day-to-day calorie and carbohydrate intake is one of the most important determinants of good glycemic control in diabetes. This study was aimed to investigate the meal pattern and their relationships with total energy intake, nutrients intake and glycemic and lipid profile in type 2 diabetes.

Methods

1,084 subjects were divided according to glycemic status into three groups: the diabetes (DM), dysglycemia (DG) and normal (N). The meal frequency (MF), meal interval (MI) and daily intake of total energy, macronutrient and micronutrient were estimated with the 24 hours dietary recall from the Korean National Health and Nutrition Examination Survey (KNHANES) in 2001 and Eulji hospital. For analysis of meal pattern and it's relations with the nutrients intake, we regrouped into meal skipper (G1), non-meal skipper with unreasonable MI (G2), and non-meal skipper with reasonable MI (G3).

Results

17.5% of DM, 21.8% of DG, 23.3% of N skipped at least one meal a day without significant difference across the groups. 55.9% of non-meal skipper had unreasonable MI. Meal was more regular in older age, lower educated person, employee, and female. G1 took higher fat, and more calories form snack and less micronutrient density, compared with G3 (P < 0.05). HbA1c, total cholesterol and triglyceride values were higher in G1 compared with other two groups (P < 0.05).

Conclusion

Many type 2 diabetics had the irregular meal patterns, which was associated with poor glycemic control, lipid profiles and less micronutrient density. This suggested that another treatment strategy might be required for those who had irregular lifestyle.

Figures and Tables

Fig. 1
Pattern of meal frequency and interval. ▓ meal skippers, ▒ non-meal skippers with unreasonable meal interval, ░ non-meal skippers with reasonable meal interval. Reasonable meal interval were defined when two adjustment meal spaced between 4 hrs and 6 hrs.
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Fig. 2
Socio-demographic differences by meal frequency and interval. A. Differences by meal frequency and interval according to gender (■ male, □ female). B. Differences by meal frequency and interval according to age ( 20ys ■ 30ys 40ys 50ys 60ys 70ys). C. Differences by meal frequency and interval according to employment (■ Employed □ unemployed). D. Differences by meal frequency and interval according to education ( none ■ elementary middle high school college university). Reasonable meal interval were defined when two adjustment meal spaced between 4 hrs and 6 hrs.
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Table 1
General characteristics of the subjects
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Values are means ± SD. HDL-Cholesterol, high density lipoprotein cholesterol; LDL-Cholesterol, low density lipoprotein cholesterol = Total cholesterol - [HDL-cholesterol (mg/dL) + Triglyceride (mg/dL)/5]. *P < 0.05 vs. normal, P < 0.05 for dysglycemia vs. diabetes. Dysglycemia were defined as fasting plasma glucose ≥ 126 mg/dL or HbA1c ≥ 6.1%.

Table 2
Pattern of meal consumption of the subjects
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Values are number (%). Meal skippers were defined as person who skipped at least 1 meal. Non-meal skippers were defined as person who took 3 meals per day. Dysglycemia were defined as fasting plasma glucose ≥ 126 mg/dL or HbA1c ≥ 6.1%.

Table 3
Pattern of skipping meal among subjects when consuming 2 meals per day
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Values are number (%). Dysglycemia were defined as fasting plasma glucose ≥ 126 mg/dL or HbA1c ≥ 6.1%.

Table 4
Pattern of meal interval among diabetes when consuming 3 meals per day
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Values are means ± SD. B-LI, breakfast-lunch interval; L-SI, lunch-supper interval. Dysglycemia were defined as fasting plasma glucose ≥ 126 mg/dL or HbA1c ≥ 6.1%.

Table 5
Average total energy intakes, percentage distribution of macronutrients and snack and average nutrient density by pattern of meal frequency and interval among diabetes
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Data are means ± SD. Reasonable meal interval were defined when two adjustment meal spaced between 4 hrs and 6 hrs. *P < 0.05 vs. non-meal skippers with reasonable meal interval. P < 0.05 for meal skippers vs. non-meal skippers with unreasonable meal interval.

Table 6
Body mass index, glycemic and lipid profile by pattern of meal frequency and interval among diabetes
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Data are means ± SD. Reasonable meal interval were defined when two adjustment meal spaced between 4 hrs and 6 hrs. *P < 0.05 vs. non-meal skippers with reasonable meal interval. P < 0.05 for meal skippers vs. non-meal skippers with unreasonable meal interval.

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