Sigma Research
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Sigma Research

Sigma Research is a social research group specialising in the behavioural and policy aspects of HIV and sexual health. It also undertakes research and development work on aspects of lesbian, gay and bisexual health and well-being.

Welcome to our new website. Send us your views.

<em>Bass Line</em> 2008 surveyBass Line 2008 survey
Bass Line 2008 is now available to complete online and via booklets distributed by African and HIV organisations across England.

Do the survey NOW

<em>GMSS</em> local area reports 2003-2007GMSS local area reports 2003-2007
The 2008 Gay Men's Sex Survey is now closed. Find here local data reports from 2003-2007, including data at the PCT level for English residents.

Local area data reports

<em>Bass Line</em> 2007 final reportBass Line 2007 final report
Find here the final report from Bass Line 2007 which includes 4,172 African people who took part in our survey about sexual health and HIV.

Local area data reports

GMSS feedback to participantsGMSS feedback to participants
Our latest gay community feedback report focusses on smoking, drinking and drug use. It was published in Boyz and Out Northwest.

More about the survey