BACKGROUND Pesticide use patterns are essential inputs into human pesticide exposure models. Currently, data included for modeling purposes have mostly been collected in cross-sectional surveys. However, it is questionable whether responses to one-time surveys are representative of pesticide use over longer periods, which is needed for assessment of health impact. This study was designed to eva...

The percentage of households in the U.S. with a telephone is an important determinant of coverage in random digit dial (RDD) telephone surveys and also affects the efficiency of using the telephone as a mode of data collection in household surveys. In earlier years, RDD coverage issues were mainly concerned with households without phones because having a telephone in the household was nearly eq...

Web surveys potentially cost less to administer and are more convenient for participants than either telephone or paper-based surveys, but concern remains about the representativeness of the respondents to the population. This research investigates the effectiveness of using Webbased survey methods by comparing response rates and demographic characteristics of the telephone-based and web-based ...