Table 2.
Characteristics of Studies Included in the Review for the Association Between Menarcheal Age and Cardiovascular Death
| First Author, Year (Reference No.) | Location | Study Period | Study Name/Source | No. of Participants | Mean Years of Follow-Up | Total Person-Years | Mean Age at Baseline, years | Median MA, years | No. of MA Groups |
|---|---|---|---|---|---|---|---|---|---|
| Gallagher, 2011 (17) | China (Shanghai) | 1989–2000 | Nonsmoking Textile Workers Study | 267,400 | 9.6 | 2,565,433 | 43a | 15 | 5 |
| Cui, 2006 (16) | Japan | 1988–1999 | JACC Study | 37,965 | 10 | 379,094 | 40–79b | 15 | 5 |
| Lakshman, 2009 (19) | United Kingdom | 1993–2007 | EPIC-Norfolk | 15,807 | 10.6a | 159,199 | 58.6 | 13 | 5 |
| Jacobsen, 2009 (18) | United States (California) | 1976–1988 | Adventist Health Study | 19,462 | 11.1 | 215,485 | 55.1 | 13 | 6 |
| Mueller, 2012 (13) | Singapore | 1993–2009 | SCHS | 34,022 | 13.5 | 460,374 | 56.3 | 13.5 | 4 |
| Chang, 2011 (11) | Korea | 1985–2005 | KCS | 3,257 | 17.6 | 48,313 | 66.8 | 17.6 | 3 |
Abbreviations: EPIC, European Prospective Investigation of Cancer; JACC, Japan Collaborative Cohort Study for Evaluation of Cancer Risk; KCS, Kangwha Cohort Study; MA, menarcheal age; SCHS, Singapore Chinese Health Study.
a Value expressed as median.
b Values expressed as range.