Table 2.
Number of payments and median payments to men and women in 2018 by payment category (in USD). Categories with statistically significant differences are marked in bold, and categories where no women received any payment in italics. For number of payments, data presented as n (% of doctors within each gender category), with statistical significance tested with Fisher’s exact tests and chi-square tests of independence. Median payment amounts presented as median (IQR) and compared with Wilcoxon rank-sum tests. Median differences obtained with quantile regression (50th quantile; 95%-CI given in parentheses).
| Number of Payments | Median Payment Amounts | ||||||
|---|---|---|---|---|---|---|---|
| Payment category | Women (n=108) | Men (n=734) | p-value | Women | Men | p-value | Median difference |
| Research | 0 (0%) | 15 (2%) | - | 0 | $7,200 ($3,672, $18,980) | - | - |
| Consulting | 11 (10%) | 151 (21%) | 0.015 | $3,950 ($1,110, $5,360) | $5,499 ($2,448, $18,742) | 0.2 | $1,549 ($215 – $4,717) |
| Honoraria | 2 (2%) | 36 (5%) | 0.2 | $4,000 ($3,500, $4,500) | $3,000 ($2,000, $8,230) | 0.8 | - |
| Grants | 0 (0%) | 2 (0.3%) | - | 0 | $4,678 ($2,546, $6,809) | - | - |
| Entertainment | 0 (0%) | 5 (1%) | - | 0 | $199 ($94, $474) | - | - |
| Royalties and licenses | 0 (0%) | 10 (1%) | - | 0 | $77,812 ($38,349, $350,371) | - | - |
| Accredited faculty services | 1 (1%) | 29 (4%) | 0.2 | $2,592 (NA) | $4,800 ($1,944, $9,500) | 0.5 | $2,208 (N/A) |
| Unaccredited faculty services | 2 (2%) | 73 (10%) | 0.01 | $8,298 ($6,249, $10,346) | $6,000 ($2,500, $11,935) | 0.7 | -$1,800 (N/A) |
| Education | 4 (4%) | 60 (8%) | 0.15 | $90 ($90, $112) | $62 ($61, $90) | 0.15 | -$28 (-$83 – -$28) |
| Food and beverage | 77 (71%) | 587 (80%) | 0.05 | $326 ($138, $634) | $399 ($146, $877) | 0.2 | $73 (-$22 – $150) |
| Travel and lodging | 31 (29%) | 259 (35%) | 0.2 | $912 ($549, $1,497) | $1,246 ($577, $3,060) | 0.07 | $334 (-$136 – $584) |
| Gifts | 0 (0%) | 2 (0.3%) | - | 0 | $149 ($115, $183) | - | - |
| Ownership/ investment | 0 (0%) | 8 (1%) | - | 0 | $34,209 ($22,167, $405,872) | - | - |
| Any payment/ total payment in 2018 | 80 (74%) | 606 (83%) | 0.047 | $535 ($228, $1,371) | $792 ($245, $4,749) | 0.012 | $242 ($81 – $466) |