Table 2.
Encoding of social determinants of health (SDOH) notes during training
| (A) BIO encoding of all trigger spans in a note | |
|---|---|
| Tokens | Triggers |
| He | O |
| is | O |
| a | B-Employment |
| bartender | I-Employment |
| and | O |
| lives | B-LivingStatus |
| alone | O |
| (B) BIO encoding of the trigger span and arguments for just the employment event in A | |||||
|---|---|---|---|---|---|
| Tokens | Trigger | StatusEmploy | Duration | History | Type |
| He | O | O | O | O | O |
| is | O | O | O | O | O |
| a | B-Employment | B-StatusEmployEmployed | O | O | B |
| bartender | I-Employment | I-StatusEmployEmployed | O | O | I |
| and | O | O | O | O | O |
| lives | O | O | O | O | O |
| alone | O | O | O | O | O |
| (C) Multi-label encoding of Status and Type arguments for the employment event in A and B — space prohibits display of other arguments | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Tokens | TokenTypeID | B-StatusEmploy=Employed | I-StatusEmploy=Employed | B-StatusEmploy=Retired | I-StatusEmploy=Retired | O-StatusEmploy | … | B-Type | I-Type | O-Type |
| He | 0 | 0 | 0 | 0 | 0 | 1 | … | 0 | 0 | 1 |
| is | 0 | 0 | 0 | 0 | 0 | 1 | … | 0 | 0 | 1 |
| a | 1 | 1 | 0 | 0 | 0 | 0 | … | 1 | 0 | 0 |
| bartender | 1 | 0 | 1 | 0 | 0 | 0 | … | 0 | 1 | 0 |
| and | 0 | 0 | 0 | 0 | 0 | 1 | … | 0 | 0 | 1 |
| lives | 0 | 0 | 0 | 0 | 0 | 1 | … | 0 | 0 | 1 |
| alone | 0 | 0 | 0 | 0 | 0 | 1 | … | 0 | 0 | 1 |
Note: The sequence “a bartender” participates in both the StatusEmploy argument, and in the Type argument.