UIT HET BUITENLAND: The National Office Ratios Survey

The Uit Survey of the Ultraviolet Sky Background

Office of the Manager National Communications System

C u r rently the IP version 4 (IPv4) header includes a field called “Type of Service” (TO S ) intended to indicate the quality of service (QOS) Internet packets should receive. QOS, a m e a s u rement for Internet traffic, quantifies d e l a y, throughput, and reliability that an Internet packet or packet stream is re c e i v i n g . D i ff e rent kinds of Internet traffic re q u i re d i fferi...

Headache as the reason for office visits, National Ambulatory Medical Care Survey: United States, 1977-78.

Headache was the principal cause of an estimated 18,341,923 visits to office-based physicians during 1977-78. Headache was the seventh most frequent symptomatic reason for visits given by patients. The estimates in this report are based on data collected in the National Ambulatory Medical Care Survey (NAMCS), a probability sample survey con­ ducted yearly by the Division of Health Care Statisti...

Office-based medical practices: methods and estimates from the national ambulatory medical care survey.

OBJECTIVES The report uses a multiplicity estimator from a sample of office-based physicians to estimate the number and characteristics of medical practices in the United States. Practice estimates are presented by characteristics of the practice (solo or group, single, or multi-specialty group, size of practice, ownership, location, number of managed care contracts, use of electronic medical r...

A comparison of two methods for estimating odds ratios: Results from the National Health Survey

BACKGROUND The practice of dichotomizing a continuous outcome variable does not make use of within-category information. That means the loss of information. This study compared two approaches in the modelling of the association between sociodemographic and smoking with obesity in adult women in Iran. METHODS We conducted a comparative study between two methods via an illustrative example, usi...