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Title:
National Survey of Sexual Attitudes and Lifestyles II, 2000-2001
(NATSAL II; NATSAL 2000)

Subject Categories:
National Survey of Sexual Attitudes and Lifestyles - Major studies
Childbearing, family planning and abortion - Health
General - Health
Social attitudes and behaviour - Society and culture

Depositor(s):
Mercer, C., University College London. Department of Primary Care and Population Sciences. Centre for Sexual Health and HIV Research

Principal Investigator(s):
National Centre for Social Research
Johnson, A., Royal Free and University College Medical School
Fenton, K., Royal Free and University College Medical School
Copas, A., Royal Free and University College Medical School
Mercer, C., University College London. Department of Primary Care and Population Sciences. Centre for Sexual Health and HIV Research
McCadden, A., Royal Free and University College Medical School
Carder, C., Royal Free and University College Medical School
Ridgway, G., Royal Free and University College Medical School
Wellings, K., London School of Hygiene and Tropical Medicine
Macdowall, W., London School of Hygiene and Tropical Medicine
Nanchahal, K., London School of Hygiene and Tropical Medicine

Data Collector(s):
National Centre for Social Research

Sponsor(s):
Medical Research Council
Department of Health
Scottish Executive
National Assembly for Wales

Project Number: P1873

Abstract:
The National Survey of Sexual Attitudes and Lifestyles II, 2000-2001 (NATSAL II) was very closely modelled on the National Survey of Sexual Attitudes and Lifestyles, 1990-1991 (NATSAL I, held at the UKDA under SN 3434), carried out by the same team of investigators. The results from the first survey were widely used by academics and policymakers. Towards the end of the 1990s, it became increasingly clear that the NATSAL I results were growing outdated and that repeat measures were needed not only to provide up-to-date information for estimating the likely extent of the HIV epidemic in Britain, but also to look at behaviour change over time and to include new questions to take account of current information needs in the field of sexual health.

The main objectives of NATSAL II were to:

• provide a detailed understanding of patterns of sexual behaviour in Britain (including for example, numbers of sexual partners, frequency of different sexual practices, and homosexual experience)
• provide data for HIV/AIDS projections in Britain
• assess whether there have been changes in behaviour since NATSAL I
• measure the prevalence of chlamydia trachomatis infection, via urine samples

• NATSAL II covered a younger age group (ages 16-44) than NATSAL I (16-59) in order to focus survey resources on a group greater at risk
• people living in the Greater London area were purposely over-sampled
• a boost sample of people from four ethnic minority groups - Black Caribbean, Black African, Indian and Pakistani - was included
• new question modules were introduced on, for example, partnership formation, sexual mixing abroad, preferred sources of contraception and advice, history of sexually transmitted infections, and sexual dysfunction
• a urine specimen was collected from consenting respondents, to test for chlamydia trachomatis

Coverage:
Dates of Fieldwork: May 1999-August 2001
Country: Great Britain
Spatial Units: Government Office Regions (GORs); Standard Regions
Observation Units: Individuals
Kind of Data: Numeric data; Individual (micro) level

Universe Sampled:
Location of Units of Observation:National
Population:Men and women aged 16-44 living in private households in Great Britain in 2000-2001.

Methodology:
Time Dimensions: Repeated cross-sectional study
Second wave: the first survey was conducted in 1990-1991.
Sampling Procedures: Multi-stage stratified random sample
Number of Units: 12,110 cases
Method of Data Collection: Face-to-face interview; Self-completion; Clinical measurements
Weighting: Weighting used. See documentation for details.

Language(s) of Written Materials:
Study Description: English
Study Documentation: English

Access:
Access Conditions: The depositor has specified that registration is required and standard conditions of use apply. The depositor may be informed about usage. See terms and conditions for further information.
Availability: ESDS Access and Preservation, UK Data Archive
Contact: Help desk: help@esds.ac.uk

Date of Release:
First Edition: 31 August 2005

Copyright:
Copyright National Centre for Social Research and A. Johnson, K. Fenton, A. Copas, C. Mercer, A. McCadden, C. Carder, G. Ridgway, K. Wellings, W. Macdowall and K. Nanchahal

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