This final sample represented a response rate of 21.7% (360/1659), with the denominator being the people who received the survey as defined by having opened the email.
In each household, all women aged 15 49 years and men aged 15 64 years were eligible for the survey, as defined by the DHS team.
The CATI process uses an electronic survey (as defined below), where the trained interviewer can enter the answers from the respondents immediately into a SAS 9.2 (SAS Institute, Carry, NC, USA) database.
This analysis of data gathered for program and resident evaluation was classified as exempt from review by the Institutional Review Board under category 1 (research on normal education practices) and category 2 (research involving educational tests and survey procedures), as defined in 45 CFR 46.101(b).
A household would be excluded if (a) the interviewee refused to participate, (b) the household was not officially registered in the surveyed city as defined by "hukou," which is a household registration issued by the central government, (c) the interviewee was younger than 18 years old, or (d) the interviewee could not provide reliable information on the household.
The report from the Substance Abuse and Mental Health Services Administration's National Survey on Drug Use and Health, released Thursday, includes information from 68,487 completed surveys about mental illness (as defined by the American Psychiatric Assn.'s Diagnostic and Statistical Manual of Mental Disorders-IV) and substance abuse among adults and children.
Foods reported in the survey were quantified in servings as defined by the Food Guide Pyramid using the US Department of Agriculture Pyramid Servings Database, which contains reference data for each food reported in CSFII in servings per 100 g for 30 Pyramid food groups, including whole grain and total grain.
As sample density declined, the probability of a survey availability event, defined as a survey yielding indices >125% or <75% of the true population abundance, increased and that increase was disproportionately biased towards underestimates.
In accordance with the International Labour Organization (ILO), employment in the PIAAC survey is defined as having paid work for at least 1 h in the week before the survey.
The definition of rural used in the survey was defined as less than 10,000 inhabitants and the participants were the ones who responded to whether their service is rural or urban.
The majority of respondents, regardless of school type, reported using a mixture of lecture and active learning (66%), while nearly a quarter use lecture alone (22%) and only a small percentage use active learning alone(8%) in their primary survey courses, defined as the course where evolution is the most heavily emphasized (Fig. 2).
