Characteristics of men and women in the 8 HALCyon cohorts.

1Number of participants with a measure of BMI and at least one valid physical performance measure.2Grip strength measured at wave 1 (as well as wave 2). Performance tests measured only at wave 2.3Physical performance tests measured at either wave 1 or wave 2. LBC1921 = Lothian Birth Cohort 1921, CaPs = Caerphilly Prospective Study, HCS = Hertfordshire cohort study, HAS = Hertfordshire Ageing Study, ELSA = English Longitudinal Study of Ageing, ABC1936 = Aberdeen Birth Cohort 1936, NSHD = MRC National Survey of Health and Development.1. 完成身体质量指数（BMI）测量，且至少拥有一项有效身体机能表现测量指标的参与者人数。 2. 握力在第1波次（及第2波次）均有测量；身体机能表现测试仅在第2波次开展。 3. 身体机能表现测试于第1波次或第2波次开展。各队列缩写释义如下： LBC1921 = 洛锡安出生队列1921（Lothian Birth Cohort 1921）， CaPs = 卡菲利前瞻性研究（Caerphilly Prospective Study）， HCS = 赫特福德郡队列研究（Hertfordshire Cohort Study）， HAS = 赫特福德郡老龄化研究（Hertfordshire Ageing Study）， ELSA = 英国老年人纵向研究（English Longitudinal Study of Ageing）， ABC1936 = 阿伯丁出生队列1936（Aberdeen Birth Cohort 1936）， NSHD = 医学研究委员会全国健康与发展调查（MRC National Survey of Health and Development）。