Table 1.
Characteristics of individual studies in the InterLACE consortium
Study | Country | N | Survey used for baseline | Age at baseline, Mean (SD) | Age at last follow-up, Mean (SD) | Women’s year of birth (%) | ||
---|---|---|---|---|---|---|---|---|
<1939 | 1940–49 | 1950–59 | ||||||
Australian Longitudinal Study on Women’s Health (ALSWH) | Australia | 12 667 | Survey 1 | 47.6 (1.5) | 61.6 (5.4) | . | 73.77 | 26.23 |
Healthy Ageing of Women Study (HOW) | Australia | 472 | Survey 1 | 55 (2.8) | 62.6 (4.0) | . | 88.11 | 11.89 |
MRC National Survey of Health and Development (NSHD)* | UK | 1131 | Survey 7 | 47.0 | 53.9 (0.3) | . | 100 | . |
National Child Development Study (NCDS)* | UK | 4164 | Survey 8 | 50.0 | 54.4 (1.6) | . | . | 100 |
Whitehall II study (WHITEHALL II) | UK | 2203 | Survey 3 | 50.1 (6.1) | 63.2 (6.7) | 39.81 | 48.07 | 12.07 |
Study of Women’s Health Across the Nation (SWAN) | USA | 2728 | Survey 1 | 46.9 (2.7) | 54.7 (3.7) | . | 40.76 | 59.24 |
All | 23 365 | 48.3 (2.8) | 59.3 (5.9) | 3.75 | 55.91 | 40.34 |
NSHD (1946 British Birth Cohort) and NCDS (1958 British Birth Cohort) are birth cohort studies and first collected information on vasomotor symptoms in 1993 (survey 7) and 2008 (survey 8), respectively.
Abbreviations: InterLACE, International Collaboration for a Life Course Approach to Reproductive Health and Chronic Disease Events; SD, standard deviation.