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Evaluation of Nutrition Education for Hypertension Patients Aged 50 Years and Over


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Evaluation of Nutrition Education for Hypertension Patients Aged 50 Years and Over

Article information

Korean J Community Nutr. 2011;16(1):62-74
Publication date (electronic) : 2011 February 28
doi : https://doi.org/10.5720/kjcn.2011.16.1.62
Eun Hye Moon, Kyung Won Kim
Food & Nutrition, College of Natural Sciences, Seoul Women's University, Seoul, Korea.
Corresponding author: Kyung Won Kim, Food & Nutrition, College of Natural Sciences, Seoul Women's University, 126 Kongnung-2-dong, Nowon-gu, Seoul 139-774, Korea. Tel: (02) 970-5647, Fax: (02) 976-4049, kwkim@swu.ac.kr
Received 2010 September 21; Revised 2010 December 31; Accepted 2011 January 04.

Abstract

This study was designed to implement and evaluate a nutrition education program for hypertensive patients aged between 50 and over. Nutrition education consisted of four sessions and, 35 out of 51 patients completed all education sessions at the public health center. To assess program effectiveness (effectively), data about blood pressure, blood cholesterol, anthropometry, nutrition knowledge, eating behavior and dietary intake were collected before and after nutrition education. Data were analyzed using SAS package (ver. 9.2) and significant difference was evaluated by paired t-test, x2-test and Wilcoxon signed rank test. Blood cholesterol was significantly reduced from 200.7 mg/dL to 188.7 mg/dL after nutrition education, although there were not significant changes in blood pressure or blood triglyceride level. Weight (p < 0.05), % body fat (p < 0.001), BMI (p < 0.05) were significantly reduced, especially in women, after nutrition education. Nutrition knowledge was increased significantly (p < 0.05), and some eating behaviors such as 'having fruits & vegetables for snack' and 'having brown rice, barley rice than white rice' were improved after nutrition education (p < 0.05). Sodium intake was reduced from 3,888.9 mg/day to 3,157.4 mg/day after nutrition education (p < 0.05). Except protein and iron intakes, the nutrient intake of hypertensive patients was much below the recommended level for Koreans. Dietary intakes of most of nutrients were not significantly different between pre-test and post-test. It appeared that nutrition education for the aged hypertensive patients was effective in reducing the percentage of % body fat and BMI, increasing the nutrition knowledge and some dietary behaviors. This nutrition education can be implemented at public health centers or senior centers for hypertensive patients.

Keywords: hypertension; nutrition education; effectiveness evaluation; adults aged 50 and over

Notes

This study was supported by a grant of the Korea Health 21 R&D Project, Ministry of Health and Welfare, Republic of Korea (00-PJ1-PG1-CH17-0006).

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Article information Continued

Copyright © 2011 The Korean Society of Community Nutrition

Table 1

Nutrition Education Program for hypertension

Table 1

Table 2

General characteristics of subjects

Table 2

1) Mean ± SE, 2) ***: p < 0.001 by t-test, 3) N (%), 4) χ2-test

Table 3

Comparison of biochemical and anthropometric assessment between pre-test and post-test

Table 3

1) Mean ± SE

2) *: p < 0.05, **: p < 0.01, ***: p < 0.001 by paired t-test for total subjects, and Wilcoxon signed rank test for examining by sex

Table 4

Comparison of nutrition knowledge between pre-test and post-test

Table 4

1) N (%) of correct answers

2) *: p < 0.05 by χ2-test

3) Correct answer was given a point. Higher score indicates having more nutrition knowledge, with a possible score of 0 - 15

4) Mean ± SE

5) *: p < 0.05 by paired t-test

Table 5

Comparison of eating behavior between pre-test and post-test

Table 5

1) Mean ± SE. Variables were measured from 1 (not at all) to 4 (almost every day, 6 - 7 days/week). Scores on undesirable behaviors were reversely coded. The higher the score, the better the eating behavior

2) *: p < 0.05 by paired t-test

3) Summated score of each item. Scores on undesirable behaviors were reversed to calculate total score. Higher score indicates more desirable eating behavior, with a possible score from 17 to 68

Table 6

Comparison of nutrient intakes between pre-test and post-test

Table 6

*: p < 0.05, **: p < 0.01

1) Mean ± SE, 2) %EER, 3) %RI, 4) %AI, 5) Statistical analysis by paired t-test for total subjects, and by Wilcoxon signed rank test for examining by sex at p < 0.05

Table 7

Comparison of INQ between pre-test and post-test

Table 7

1) INQ Mean ± SE

2) Statistical analysis by paired t-test for total subjects, and by Wilcoxon signed rank test for examining by sex at p < 0.05