Tests. Data tables by test.

Test	No. of studies	No. of participants
1 All studies IQCODE 3.3 or closest	13	2745
2 All 16‐item IQCODE	7	1768
3 All 26‐item IQCODE	6	977
4 IQCODE 3.3 Threshold	4	722
5 IQCODE 3.4 Threshold	4	1211
6 IQCODE 3.5 Threshold	1	269
7 IQCODE 3.6 Threshold	9	1576
8 IQCODE >3.6 Threshold	3	772
9 16‐item IQCODE 3.3 Threshold	2	446
10 16‐item IQCODE 3.4 Threshold	3	1022
11 16‐item IQCODE 3.5 Threshold	1	269
12 16‐item IQCODE 3.6 Threshold	5	988
13 26‐item IQCODE 3.3 Threshold	2	276
14 26‐item IQCODE 3.4 Threshold	1	189
15 26‐item IQCODE 3.6 Threshold	4	588
16 Sensitivity analysis removing Goncalves	12	2541
17 Sensitivity analysis removing low average age	10	1756