Average number of partners for a gay man

Lead researcher Dr Julii Brainard, from UEA's Norwich Medical School, said: "Before this study, many models about sexually transmitted diseases assumed that everyone over a certain age, say 40 or 65, stopped being sexually active, or at least stopped having multiple partners.

One-in-five gay men 'has had 16 partners in past year'

It found that And more than one in 10 wished they were not attracted to men. The findings, printed in this month's GI magazine, show that almost three in five have taken an HIV test. But 1. Of those who answered, Some 19pc said they did not know what their HIV status was, and another 6.

Statistical tests are used to judge whether the results of a study could be due to chance and would not be confirmed if the study was repeated. NSFGs used to be conducted every three to seven years, but in a decision was taken to conduct interviews by voice-assisted automated computer interview continuously.

Statistics can identify truths if they are sampled well and minimize selection bias. For example, all of the studies here are randomly sampled across thousands of people across a country and weighted so that they include respondents from each city according to its population and according to the age of the population.