Table 3 Time from study start to publication of results, either in a registry or journal

Intercept

1

IIT Public International

2.243

1.703–2.956

P < 0.001

IST Commercial Germany

2.343

1.770–3.112

P < 0.001

IST Commercial International

2.332

1.761–3.072

P < 0.001

Non-drug trials versus drug trials

0.838

0.707–0.992

P < 0.05

Study size: n > 150 versus n ≤ 150

1.215

1.023–1.442

P < 0.05

Number of primary outcome(s): > 1 versus 1

1.141

0.939–1.387

n.s.