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Table B1. 
Proportion of articles found by the two different Facebook methods broken down into: Found by AES-only (private posts), POS-only (public posts), and by both methods. This table reflects the data in Figure 4 
DisciplineAny FBOnly AESBothOnly POS
Clinical Medicine 10,864 6,234.0 (57.4%) 3,434.0 (31.6%) 1,196.0 (11.0%) 
Biomedical Research 4,918 3,158 (64.2%) 1,396 (28.4%) 364 (7.4%) 
Biology 3,173 1,818 (57.3%) 1,251 (39.4%) 104 (3.3%) 
Psychology 1,135 620 (54.6%) 460 (40.5%) 55 (4.8%) 
Health 615 339 (55.1%) 228 (37.1%) 48 (7.8%) 
Earth and Space 609 282 (46.3%) 311 (51.1%) 16 (2.6%) 
Social Sciences 532 276 (51.9%) 240 (45.1%) 16 (3.0%) 
Engineering and Technology 333 255 (76.6%) 59 (17.7%) 19 (5.7%) 
Physics 271 198 (73.1%) 63 (23.2%) 10 (3.7%) 
Professional Fields 309 168 (54.4%) 129 (41.7%) 12 (3.9%) 
Chemistry 90 63 (70.0%) 20 (22.2%) 7 (7.8%) 
Mathematics 79 53 (67.1%) 21 (26.6%) 5 (6.3%) 
Total 22928 13,464 (58.7%) 7,612 (33.2%) 1,852 (8.1%) 
DisciplineAny FBOnly AESBothOnly POS
Clinical Medicine 10,864 6,234.0 (57.4%) 3,434.0 (31.6%) 1,196.0 (11.0%) 
Biomedical Research 4,918 3,158 (64.2%) 1,396 (28.4%) 364 (7.4%) 
Biology 3,173 1,818 (57.3%) 1,251 (39.4%) 104 (3.3%) 
Psychology 1,135 620 (54.6%) 460 (40.5%) 55 (4.8%) 
Health 615 339 (55.1%) 228 (37.1%) 48 (7.8%) 
Earth and Space 609 282 (46.3%) 311 (51.1%) 16 (2.6%) 
Social Sciences 532 276 (51.9%) 240 (45.1%) 16 (3.0%) 
Engineering and Technology 333 255 (76.6%) 59 (17.7%) 19 (5.7%) 
Physics 271 198 (73.1%) 63 (23.2%) 10 (3.7%) 
Professional Fields 309 168 (54.4%) 129 (41.7%) 12 (3.9%) 
Chemistry 90 63 (70.0%) 20 (22.2%) 7 (7.8%) 
Mathematics 79 53 (67.1%) 21 (26.6%) 5 (6.3%) 
Total 22928 13,464 (58.7%) 7,612 (33.2%) 1,852 (8.1%) 

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