Table 2 Factors associated with collecting qualitative data+
From: More pilot trials could plan to use qualitative data: a meta-epidemiological study
Variable | Crude OR (95%CI) | p value | Adjusted OR (95% CI) | p value |
|---|---|---|---|---|
Journal | ||||
PAFS | 1 | 1 | ||
BMJ Open | 0.45 (0.21–0.99) | 0.047 | 0.80 (0.29–2.26) | 0.677 |
Trials | 0.48 (0.24–0.99) | 0.046 | 0.55 (0.20–1.51) | 0.244 |
Year of publication | 1.02 (0.85–1.23) | 0.834 | 0.97 (0.76–1.24) | 0.827 |
Region | ||||
Rest of the world | 1 | 1 | ||
North America | 1.91 (0.81–4.53) | 0.141 | 2.19 (0.80–5.99) | 0.125 |
Europe | 3.76 (1.88–7.53) | < 0.001 | 3.86 (1.68–8.88) | 0.001 |
Funding | ||||
Industry | 1 | 1 | ||
Government or private | 0.67 (0.36–1.26) | 0.211 | 0.81 (0.36–1.84) | 0.621 |
Intervention type | ||||
Non-pharmacological | 1 | 1 | ||
Pharmacological | 0.21 (0.08–0.56) | 0.002 | 0.20 (0.07–0.58) | 0.003 |
Sample size | ||||
Small (n < 60) | 1 | 1 | ||
Large (n ≥ 60) | 3.06 (1.72–5.46) | < 0.001 | 2.77 (1.47–5.23) | 0.002 |