Table 1 Studies’ description
Study | Publishing year | Country, setting | Years of observation | Minimum age at enrollment, mean age upon study completion | Study participants at enrollment, n | Excluded or lost participants, n (%) |
|---|---|---|---|---|---|---|
Takeuchi et al. [22] | 2017 | Japan, Hisayama community | 5.4 | 60 | 1996 | 430 (21.5%) |
Komiyama et al. [23] | 2016 | Japan, Tsurugaya district community | 8 | 70, 75.2 | 948 | 114 (12.0%) |
Stewart et al. [24] | 2015 | Sweden, Gothenburg community | 32 | 70 | 697 | 29% in 2000–2001 cohort; 30% in 2005–2006 cohort |
Luo et al. [25] | 2015 | China, Jing’ansi community | 3 | 60, 71.3 | 3836 | 3063 (20.1%) |
Batty et al. [10] | 2013 | 20 Countries, 215 centers | 5 | 55, 66.2 | 11,140 | 1571 (14.1%) |
Paganini-Hill et al. [26] | 2012 | United States, Retirement community | 18 | 52, 80.3 | 8403 | 2762 (32.8%) |
Yamamoto et al. [27] | 2012 | Japan, Aichi community | 3.7 | 65 | 4898 | 473 (9.6%) |
Arrivé et al. [20] | 2011 | France, Gironde and Dordogne communities | 15 | 66,71.9 | 447 | 42 (9.4%) |
Kim et al. [11] | 2007 | Korea, Kwangju community (10/66 Dementia Research Group) | 2.4 | 65, 73.4 | 919 | 233 (25.3%) |
Stein et al. [21] | 2007 | United States, Nun community | 12 | 75, 83.0 | 144 | 24 (16.7%) |
Shimazaki et al. [28] | 2001 | Japan, 29/30 institutions in Kitakyushu | 7 | 59, 79.7 | 719 | 236 (32.8%) |