Evaluating Epidemiological Evidence: A Simple Test

Evaluating Epidemiological Evidence: A Simple Test

Epidemiological studies that investigate the relationships between health behaviors and diseases may be affected by both known and unknown confounding factors. Alcohol use is one of these behaviors that have been intensively investigated in epidemiological studies. This manuscript introduced a simple test that can identify confounded epidemiological studies. This approach is sensitive to both k...

V. A Simple Method of Evaluating Fitness in Boys: The Step Test *

The desirability of testing the efficiency of any type of "bodybuilding" program has been commented upon and a method of determining the effect of such a program upon an individual's fitness has been described.5 However, such programs usually include large numbers of individuals, and the separate testing of each one at relatively frequent intervals is so time-consuming as to be impractical; in ...

White side test: A simple and rapid test for evaluation of nonspecific bacterial genital infections of repeat breeding cattle

The objective of the present study was to determine the grades of nonspecific bacterial infection of genitalia of repeat breeding cattle by a simple and rapid test under field condition. For this purpose, a total of 100 crossbred Jersey cows comprising of 80 repeat breeding animals presented for treatment and 20 normal cyclic (control group) animals presented for artificial insemination at thei...

Evaluating Test Validity

A method for evaluating systems of epidemiological surveillance.

Epidemiological surveillance is the systematic collection, analysis and dissemination of health data for the planning, implementation and evaluation of public health programmes. Established surveillance systems should be regularly reviewed on the basis of explicit criteria of usefulness, cost and quality; systems should be modified as a result of such review. Attributes of quality include: (i) ...