A select control occurs when the sample relates to S+ and the established behavioral component is to choose (e.g., if A1, then choose B1).
A reject control, in contrast, occurs when the sample relates to S- and the established behavioral component is "do not choose" or "reject" (e.g., if A1, then reject B2).
One other consideration that may affect the representativeness of a given sample relates to the collection of urine by using absorbent materials (e.g., diapers).
We have also previously found that there was a high degree of agreement between patient self-classification as to disease type and that recorded in their medical charts.[ 9] To better understand how our sample relates to both the larger IBD population and to clinic-based samples, we compared demographic and disease characteristics of this sample to two other published samples.
The combined results have been weighted to adjust for variation in the sample relating to geographic region, sex, race, marital status, age and education.
The combined results have been weighted to adjust for variation in the sample relating to geographic region, sex, race, Hispanic origin, marital status, age and education.
The combined results have been weighted to adjust for variations in the sample relating to sex, race, Hispanic origin, marital status, age and education.
The combined results have been weighted to adjust for variations in the sample relating to race, sex, age, education, Hispanic origin and marital status.
The resultshave been weighted to take account of household size and number of telephone lines into the residence and to adjust for variation in the sample relating to geographic region, sex, race, marital status, age and education.
The results have been weighted to account for household size and the number of telephone lines in the residence, and to adjust for variations in the sample relating to geographic region, sex, race, age and education.
The results of the new poll have been weighted to account for household size and number of telephone lines into the residence and to adjust for variations in the sample relating to geographic region, sex, age, marital status and education.
