Increasing Cell Phone Usage Among Hispanics: Implications for Telephone Surveys

Growing cell-phone population and noncoverage bias in traditional random digit dial telephone health surveys.

OBJECTIVE Examine the effect of including cell-phone numbers in a traditional landline random digit dial (RDD) telephone survey. DATA SOURCES The 2007 California Health Interview Survey (CHIS). DATA COLLECTION METHODS CHIS 2007 is an RDD telephone survey supplementing a landline sample in California with a sample of cell-only (CO) adults. STUDY DESIGN We examined the degree of bias due to...

Some gender patterns of cell phone usage

Cell phone usage and erectile function

INTRODUCTION The objective of this pilot study was to report our experience concerning the effects of cell phone usage on erectile function (EF) in men. MATERIAL AND METHODS We recruited 20 consecutive men complaining of erectile dysfunction (ED) for at least six months (Group A), and another group of 10 healthy men with no complaints of ED (Group B). Anamnesis, basic laboratory investigation...

Cell phone usage among adolescents in Uganda: acceptability for relaying health information.

The increase in cell phone use has manifested a growing interest in using this technology for health promotion. The portability and 'always on' features of the cell phone, along with increasing capability for the devices to carry and transfer data suggest that they will reach more people than computers and the Internet in coming years. Self-reported quantitative survey data from 1503 secondary ...

Telephone Surveys Underestimate Cigarette Smoking among African-Americans

BACKGROUND This study tested the hypothesis that data from random digit-dial telephone surveys underestimate the prevalence of cigarette smoking among African-American adults. METHOD A novel, community-sampling method was used to obtain a statewide, random sample of N = 2118 California (CA) African-American/Black adults, surveyed door-to-door. This Black community sample was compared to the B...