Does audio computer-assisted self-interviewing (ACASI) produce more valid reporting of sexual activity and related behaviors than face-to-face interviews or self-administered interviews? This analysis, based on data collected from over 6,000 unmarried adolescents in two districts of Kenya--Nyeri and Kisumu--indicates substantial and significant differences in reported rates of premarital sex ac...

OBJECTIVE To explore some of the problems encountered in the postal administration of the Short-Form 36 (SF-36). Questions that seem to present particular difficulties for the group are identified. In addition some of the written comments from the questionnaires and people's responses to questions on how difficult they found the SF-36 are discussed. DESIGN The study group were asked to comple...

CONTEXT AND OBJECTIVE Many clinical investigations use generic and/or specific questionnaires to obtain information about participants and patients. There is disagreement about whether the administration method can affect the results. The aim here was to determine whether, among patients with intermittent claudication (IC), there are differences in the Walking Impairment Questionnaire (WIQ) and...

Self-report inventories enable efficient assessment of mental attributes in large representative surveys. However, an inventory can be administered in several ways whose equivalence is largely untested. In the present study, we administered thirteen psychological questionnaires assessing positive and negative aspects of mental health. The questionnaires were administered by four different data ...

BACKGROUND AND PURPOSE Modified Rankin score (mRS) is traditionally graded using a face-to-face or telephone interview. Certain stroke assessment scales can be derived from a review of a patient's case-record alone. We hypothesized that mRS could be successfully derived from the narrative within patient case-records. METHODS Sequential patients attending our cerebrovascular outpatient clinic ...

Household registration status is one social determinant that influences health disparities. This study aimed to investigate the disparities in cardiovascular health between local and migrant residents, which may provide important implications for public health services and may help improve cardiovascular health for residents in Shenzhen.A cross-sectional study was conducted in Shenzhen City Lon...

Although computer-assisted interview tools have much potential, little empirical evidence on the quality and quantity of data generated by these tools has been collected. In this study we compared the effects of using Virre, a computer-assisted self-interview tool, with the effects of using other data collection methods, such as written responding and face-to-face interviewing, on data quantity...

OBJECTIVES To assess the baseline knowledge regarding stroke risk factors, symptoms, treatment and information resources in an Iranian urban population. SUBJECTS AND METHODS A community-based face-to-face interview survey was conducted in the Shiraz urban area in Iran. A total of 385 potential participants between the ages of 15 and 83 years were randomly selected from people referred to Mota...

1. Introduction Reinterview surveys have been used extensively in census evaluations since 1940's. Reinterview surveys are designed with the objective of estimating measurement reliability, measurement bias, or both bias and reliability. For estimating reliability, a test-retest reinterview design is typically used. In a test-retest reinterview survey, a subset of the questions from the origina...