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| An analysis on factors influencing salt-restriction behavior of hypertension in rural communities |
| DU Xiao-fu, FANG Le, WANG Liang-you, TANG Yu-ming, WANG Hua, YU Min, ZHONG Jie-ming
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| The Center for Disease Control and Prevention of Zhejiang Province, Hangzhou, Zhejiang, 310051, China |
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Abstract Objective To learn the salt intake level of residents with hypertension in rural community and the influencing factors of salt restriction behavior. Methods We used random cluster sampling method to extract two rural communities. A total of 200 residents with hypertension or high-risk of hypertension were selected as the subjects. We conducted general information questionnaire, hypertension knowledge, attitudes and behavior questionnaire, 3-day salt intake survey and urine sodium detection to evaluate the level of sodium intake. We used multivariate logistic regression equation modeling to predict influencing factors of salt restriction behavior. Results After the completion of the investigation, M(QR) for daily sodium intake of 173 cases in the intervention group was 6.72(5.18) g, and the main route were through the salt, monosodium glutamate , soy sauce, pickles. Daily 24 hours urinary sodium excretion amount was 90.10(62.28) mmol/24 h and 152 cases (87.86%) of respondents had salt-restriction-spoon, and 108 cases (71.05%) use the salt-restriction-spoon, but only 53 cases (49.07%) used the spoon correctly. The frequency of spoon for salt restriction and sodium intake was negatively correlated (P<0.05), whether spoon for salt restriction was used correctly and 24-hour urinary sodium excretion was negatively correlated (P<0.05). By multivariate logistic regression analysis, those people who had high level of the average annual household income(OR= 2.75, 95% CI1.16-6.53) , identified 6 g of salt aday(OR= 5.43, 95% CI1.22-24.07), regular consumption of vegetables(OR= 9.35, 95% CI 1.16-75.01) and initiative to take measures to control salt (OR= 5.05, 95% CI1.19-21.45) were more likely to use salt-restricted spoons. Residents of drinking (OR=0.13, 95% CI0.02-0.84)did not tend to use salt-restricted spoons. Conclusion For people with high NaCl intake and no restriction behavior, the level of health knowledge, especially the knowledge of sodium salt, should be improved and the good dietary habits including salt-limited support tools and correct methods should be promoted .
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Received: 05 July 2016
Published: 21 November 2017
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