Table 2.
Study characteristics associated with adequate reporting.
| Characteristic | Categories Used for the Characteristic | Crude Odds Ratio * (95% CI) |
p Value | Adjusted Odds Ratio ** (95% CI) |
p Value |
|---|---|---|---|---|---|
| Impact factor | <10 | Reference | Reference | ||
| 10 to 20 | 6.44 (1.24 to 33.58) |
0.027 | 9.4 (1.30 to 67.83) |
0.026 | |
| >20 | 4.29 (1.01 to 18.20) |
0.048 | 2.89 (0.30 to 27.80) |
0.35 | |
| Type of Funding | Industrial funding | Reference | Reference | ||
| Non-industrial funding | 0.28 (0.12 to 0.65) |
0.003 | 0.55 (0.18 to 1.67) |
0.29 | |
| No funding | 0.09 (0.023 to 0.33) |
<0.001 | 0.23 (0.45 to 1.26) |
0.09 | |
| Type of journal | Non-CONSORT endorsing | Reference | Reference | ||
| CONSORT endorsing | 2.33 (1.04 to 5.26) |
0.041 | 1.85 (0.59 to 5.84) |
0.28 | |
| Year of publication | 1990–2000 | Reference | Reference | ||
| 2001–2010 | 5.99 (0.67 to 54.04) |
0.110 | 4.89 (0.38 to 62.45) |
0.22 | |
| 2011–2018 | 25.24 (3.23 to 197.22) |
0.002 | 25.8 (2.25 to 297.20) |
0.009 | |
| Continent of study | Africa | Reference | Reference | ||
| Asia | 0.44 (0.12 to 1.61) |
0.218 | 1.45 (0.22 to 9.56) |
0.69 | |
| Europe | 0.52 (0.22 to 1.25) |
0.144 | 0.65 (0.22 to 1.93) |
0.44 | |
| North America | |||||
| South America | 1 (0.059 to 16.79) |
1.000 | 0.24 (0.007 to 8.40) |
0.43 | |
| Number of centers | Single center | Reference | |||
| Multiple centers | 1.344 (0.64 to 2.81) |
0.432 |
CI, confidence interval. The crude odds ratios (*) show the results from the bivariate logistic regression analyses, and adjusted odds ratios (**) show results from the multiple logistic regression analysis. The latter was performed on all variables in the model.