Table 1.

Specifications of studies entered the study

Row	Author [References]	Publication year	Area	Participants’ Age	Sample size	Prevalence	Quality assessment
1	Ma_gfiret Kaşıkçıa [29]	2015	Turkey	≥65	1094	51.6	Moderate
2	Mary K. Townsend [33]	2017	Mexico	≥60	1289	9.5	Moderate
3	Samreen Khan [30]	2017	India	≥60	149	46.3	Moderate
4	Larissa Pruner Marques [23]	2015	Brazil	≥60	1089	36.3	High
5	E. Moudi [34]	2017	Iran	≥60	590	32.9	High
6	Khanighaleejogh R [35]	2011	Iran	68–84	114	54.2	Moderate
7	David V. Espino [36]	2003	USA	≥65	1589	15	Moderate
8	Stefania Maggi [37]	2001	Italy	≥65	1531	21.6	Moderate
9	Yu Ko [38]	2005	USA	≥65	58,255	27.5	Moderate
10	Jing Ge [39]	2015	China	≥60	627	22.1	High
11	Juliana Schulze Burti [40]	2012	Brazil	≥65	246	50	Moderate
12	Rochani Sumardi [41]	2014	Indonesia	≥60	273	24.2	Moderate
13	Gileard G. Masenga [42]	2019	Tanzania	55–90	274	48.5	Moderate
14	Jennifer M. Wu [43]	2015	USA	≥60	2423	20.6	Moderate
15	Mary K. Townsend [33]	2017	Mexico	≥60	1168	10.3	Moderate
16	Lei Zhang [44]	2014	China	≥60	3753	51.6	Moderate
17	Jarosław Pinkas [45]	2016	Poland	90–106	870	60	High
18	Javier Jerez-Roig [46]	2016	Brazil	≥60	240	40.8	Moderate
19	Renata B. Reigota [47]	2016	Brazil	≥60	379	53.6	Moderate
20	Nazli Sensoy [48]	2013	Turkey	≥60	203	29.3	High
21	J. Marleen Linde [49]	2017	Netherlands	≥60	189	56.6	Moderate
22	Walaa W. Aly [50]	2020	Egypt	≥60	130	80	Moderate
23	Prabhu, Shruti Atul [51]	2013	India	≥60	58	41.1	High
24	Bo Liu [52]	2014	China	≥60	1417	54.2	Moderate
25	Pamela L [53]	2013	Canada	≥65	331,000	14	High
26	Rui Luo [54]	2017	Singapore	≥60	22	59.09	High
27	Catherine A. Matthews [55]	2013	America	62–87	64,396	38	Moderate
28	Lea F. Schumpf [56]	2017	Switzerland	≥65	44,811	54.7	Moderate
29	Olga NTkacheva [57]	2018	Russia	≥65	286	40.2	High