Collecting household water usage data: telephone questionnaire or diary?

ABSTRACT:

Background

Quantitative Microbial Risk Assessment (QMRA), a modelling approach, is used to assess health risks. Inputs into the QMRA process include data that characterise the intensity, frequency and duration of exposure to risk(s). Data gaps for water exposure assessment include the duration and frequency of urban non-potable (non-drinking) water use. The primary objective of this study was to compare household water usage results obtained using two data collection tools, a computer assisted telephone interview (CATI) and a 7-day water activity diary, in order to assess the effect of different methodological survey approaches on derived exposure estimates. Costs and logistical aspects of each data collection tool were also examined.

Methods

A total of 232 households in an

SUBMITTER: O'Toole JE 

PROVIDER: S-EPMC2777918 | biostudies-literature | 2009 Nov

REPOSITORIES: biostudies-literature