Information on distress and multi-dimensional health locus of control had been collected using other instruments.
Dust has also been collected using other vacuuming devices (Thompson et al. 2003), and several studies have sampled noncarpeted areas, although dust loading levels are much lower.
While some assessment measures will be collected using traditional paper forms, two other methods have been developed to increase the accuracy while reducing time for data entry into the database.
There will be several phases of the research where multiple interviews and other data will be collected using a modified constant comparative approach.
Some of the data sets were collected using the SLD and others with the Ti:saphhire laser, as indicated in Table 1.
Socio-demographic and clinical data and other possible factors responsible for colonization of VRE such as antimicrobial therapy, drinking alcohol and others were collected using pre-tested structured questionnaire.
Information about recreational physical activity performed during three age periods (19 34 years, 35 50 years and ⩾51 years) was collected using a questionnaire based on others that have been shown to be reliable (Friedenreich et al, 1998; Chasan-Taber et al, 2002).
Information about epidemiologic risk factors for breast cancer, and other factors, was collected using a questionnaire, developed for this purpose, that included questions about menstrual and reproductive history, and family history of breast and other cancer.
The IR spectra of the other samples were collected using a Perkin-Elmer Spectrum One spectrometer (PerkinElmer Inc., Waltham, MA, USA) with a MCT detector.
Pesticide exposure and other data were collected using self-administered questionnaires.
