Table 4.

Characteristics of the data-sharing statements for articles with an intention to share individual patient data (including those with unclear intentions)

	Articles in ICMJE-member journals (n=77)	Articles in ICMJE-affiliated journals (n=22)
Intention to share code
Yes	9 (12%; 6% to 22%)	0
No	17 (22%; 14% to 33%)	0
Unclear	51 (66%; 54% to 76%)	22 (100%)
Intention to share other research data
Yes	6 (8%; 3% to 17%)	7 (32%; 15% to 55%)
No	14 (18%; 11% to 29%)	0
Unclear	57 (74%; 63% to 84%)	15 (68%; 45% to 85%)
Intention to share any other documents
Yes	63 (82%; 71% to 89%)	10 (46%; 25% to 67%)
No	1 (1%; 0.1% to 8%)	0
Unclear	13 (17%; 10% to 28%)	12 (54%; 33% to 75%)
Restriction of time for availability
Yes	34 (44%; 33% to 56%)	10 (46%; 25% to 67%)
No	22 (29%; 19% to 40%)	8 (36%; 18% to 59%)
Unclear	21 (27%; 18% to 39%)	4 (18%; 6% to 41%)
Free access
Yes	7 (9%; 4% to 18%)	1 (4%; 0.2% to 25%)
No	69 (90%; 80% to 95%)	21 (96%; 75% to 99%)
Unclear	1 (1%; 0.1% to 8%)	0
Possibility to use data for any type of purpose
Yes	7 (9%; 4% to 18%)	1 (4%; 0.2% to 25%)
No	60 (78%; 67% to 86%)	14 (64%; 41% to 82%)
Unclear	10 (13%; 7% to 23%)	7 (32%; 15% to 55%)
Specific kind of access mechanism
Yes	68 (88%; 78% to 94%)	21 (96%; 75% to 99%)
No	7 (9%; 4% to 18%)	1 (4%; 0.2% to 25%)
Unclear	2 (3%; 0.5% to 10%)	0
Reviewed by a committee that is independent of the sponsor/author?
Yes	18 (23%; 15% to 35%)	4 (18%; 6% to 41%)
No	22 (29%; 19% to 40%)	0
Unclear	37 (48%; 37% to 60%)	18 (82%; 59% to 94%)

ICMJE, International Committee of Medical Journal Editors.