Onufrak Stephen J, Park Sohyun, Sharkey Joseph R, Sherry Bettylou
1 Centers for Disease Control and Prevention, Division of Nutrition, Physical Activity and Obesity, Obesity Prevention and Control Branch, 4770 Buford Highway NE, MS K-26, Atlanta, GA 30341, USA.
2 Texas A&M University, School of Rural Public Health, College Station, TX, USA.
Public Health Nutr. 2014 Jan;17(1):179-85. doi: 10.1017/S1368980012004600. Epub 2012 Oct 26.
Research is limited on whether mistrust of tap water discourages plain water intake and leads to a greater intake of sugar-sweetened beverages (SSB). The objective of the present study was to examine demographic differences in perceptions of tap water safety and determine if these perceptions are associated with intake of SSB and plain water.
The study examined perceptions of tap water safety and their cross-sectional association with intake of SSB and plain water. Racial/ethnic differences in the associations of tap water perceptions with SSB and plain water intake were also examined.
Nationally weighted data from the 2010 HealthStyles Survey (n 4184).
US adults aged ≥18 years.
Overall, 13·0 % of participants disagreed that their local tap water was safe to drink and 26·4 % of participants agreed that bottled water was safer than tap water. Both mistrust of tap water safety and favouring bottled water differed by region, age, race/ethnicity, income and education. The associations of tap water mistrust with intake of SSB and plain water were modified by race/ethnicity (P < 0·05). Non-white racial/ethnic groups who disagreed that their local tap water was safe to drink were more likely to report low intake of plain water. The odds of consuming ≥1 SSB/d among Hispanics who mistrusted their local tap water was twice that of Hispanics who did not (OR = 2·0; 95 % CI 1·2, 3·3).
Public health efforts to promote healthy beverages should recognize the potential impact of tap water perceptions on water and SSB intake among minority populations.
关于对自来水的不信任是否会阻碍饮用白开水并导致更多地摄入含糖饮料（SSB）的研究有限。本研究的目的是调查对自来水安全性认知的人口统计学差异，并确定这些认知是否与含糖饮料和白开水的摄入量相关。
该研究调查了对自来水安全性的认知及其与含糖饮料和白开水摄入量的横断面关联。还研究了对自来水的认知与含糖饮料和白开水摄入量之间关联的种族/民族差异。
来自2010年健康生活方式调查的全国加权数据（n = 4184）。
年龄≥18岁的美国成年人。
总体而言，13.0%的参与者不同意当地的自来水可安全饮用，26.4%的参与者同意瓶装水比自来水更安全。对自来水安全性的不信任和对瓶装水的偏好因地区、年龄、种族/民族、收入和教育程度而异。对自来水的不信任与含糖饮料和白开水摄入量之间的关联因种族/民族而异（P < 0.05）。不同意当地自来水可安全饮用的非白种人种族/民族群体更有可能报告白开水摄入量低。不信任当地自来水的西班牙裔每天饮用≥1份含糖饮料的几率是不信任当地自来水的西班牙裔的两倍（OR = 2.0；95%CI 1.2, 3.3）。
促进健康饮料的公共卫生努力应认识到对自来水的认知对少数族裔人群的水和含糖饮料摄入量的潜在影响。
