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. 2020 Nov 23;14:1146. doi: 10.3332/ecancer.2020.1146

Table 1. Characteristic of included studies in the review.

Study characteristic No (%) of the studies (n = 70)
Year
1994–1999 [15]
2000–2004 [1622]
2005–2009 [2333]
2010–2014 [13, 14, 3457]
2015–2019 [5882]

1 (1.4)
7 (10.0)
11 (15.71)
26 (36.61)
25 (35.71)
Participant number
<50 [13, 15, 16, 26, 31, 60, 61, 74, 78]
50-<200 [19, 20, 22, 30, 32, 38, 49, 56, 70]
200-<500 [21, 23, 25, 34, 39, 42, 44, 46, 48, 50, 51, 53, 5759, 64, 66, 68, 69, 71, 72, 79, 82]
500-<1,000 [17, 27, 28, 33, 36, 37, 52, 55, 73, 76, 77, 81]
>1,000 [14, 18, 24, 29, 35, 40, 41, 43, 45, 47, 54, 62, 63, 65, 67, 75, 80]

9 (12.85)
9 (12.85)
23 (32.85)
12 (17.14)
17 (24.28)
Type of study
Qualitative [13, 15, 16, 26, 31, 56, 60, 61, 74, 78]
Quantitative [14, 1725, 2730, 3255, 5759, 6273, 7577, 7982]

10 (14.29)
60 (85.71)
Country
Afghanistan [56]
Bangladesh [63]
Emirates [16, 18]
China [14, 15, 19, 21, 31, 32, 36, 42, 45, 47, 65]
India [64]
Iran [26, 39, 4853, 55, 61, 66, 6870, 74, 76, 79]
Iraq [13, 71]
Japan [43, 67]
Jordan [20, 37, 81]
Korea [22, 23, 30, 40, 41]
Kuwait [60]
Lebanon [72]
Malaysia [17, 34, 38, 46, 75]
Pakistan [59]
Qatar [35, 54]
Saudi [24, 28, 58, 62, 73, 77, 80]
Singapore [57]
Turkey [25, 27, 29, 44, 78, 82]
Multi-region [33]

1 (1.42)
1 (1.42)
2 (2.85)
11 (15.71)
1 (1.42)
17 (24.28)
2 (2.85)
2 (2.85)
3 (4.28)
5 (7.14)
1 (1.42)
1 (1.42)
5 (7.14)
1 (1.42)
2 (2.85)
7 (10.0)
1 (1.42)
6 (8.57)
1 (1.42)
Setting
Urban [13, 1520, 2328, 32, 34, 36, 38, 4244, 4648, 5053, 5561, 64, 66, 6872, 7476, 79]
Rural (29, 65)
Urban and rural [14, 30, 35, 37, 3941, 45, 54, 62, 63, 67, 73, 77, 78, 80, 81]
NM [21, 22, 31, 33, 49, 82]

45 (64.28)
2 (2.85)
17 (24.28)
6 (8.57)
Screening method
Mammography [1517, 20, 23, 30, 31, 33, 34, 3639, 41, 42, 44, 4753, 55, 57, 5962, 64, 66, 67, 69, 70, 7476, 79, 81, 82]
Breast self-exam and mammography [2629, 58, 77]
Clinical and mammography [13, 14, 46, 56, 63, 73]
Breast self-exam and mammography and CBE [18, 19, 21, 22, 24, 25, 32, 35, 40, 43, 45, 54, 65, 68, 71, 72, 78, 80]

40 (57.14)
6 (8.57)
6 (8.57)
18 (25.71)