Sentences with phrase «of nonrespondents»

Although we were gratified to achieve a 78 % retention rate in the study during 3 years, there remain significant differences in the demographic composition of nonrespondents in the intervention group compared with the UC group, and within the randomized treatment groups as well.

I bet it's 50 % — which accounts for all but 3 % of your nonrespondents!

Not exact matches

And those nonrespondents are harder to find, thanks in part to economic disruptions and a growing population of immigrants.

Finally, to account for the minor differences between respondents and nonrespondents that we did observe, the test scores of children who, based on their demographic characteristics, were more likely to attend follow - up sessions were weighted less heavily, while the test scores of children who were less likely to attend follow - up sessions, but nevertheless did, were weighted more heavily.

Finally, toward the end of the survey administration period, CAP mailed a hard copy version of the survey — including a self - addressed, stamped envelope — to all nonrespondents and asked that they return the survey to PSA as soon as possible.

In wave 1, the HAC questionnaire data were abstracted for respondents and nonrespondents to the ACE Study questionnaire, enabling a detailed assessment of the representativeness of respondents in terms of demographic characteristics and health - related issues.

Response rates did not differ by sex, education, cigarette smoking behavior, or history of childhood sexual abuse as recorded in the clinic's medical record; however, respondents were slightly older (56.7 years vs 49.3 years) and more likely to be white (84 % vs 75 %) than were nonrespondents.

Thus, there was no evidence that the general health of respondents and nonrespondents differed.

Comparisons between the respondents and nonrespondents indicated no statistically significant differences in terms of age, sex, and whether they attended city or rural schools.

Results of this analysis have been published elsewhere.29 Briefly, nonrespondents tended to be younger, less educated, or from racial or ethnic minority groups.

Although there was a lower response among families of minority groups (70 %) than among white families (84 %), (p <.01), t - tests and chi - square analyses indicated that minority - group respondents did not differ from minority - group nonrespondents on any birth status or sociodemographic variable (p >.05).

The adjustments reduce potential bias to the extent that the survey respondents and nonrespondents (noncontacts, refusals, etc.) with similar geographic, demographic, and socioeconomic characteristics are also similar with respect to the survey statistics of interest.