| Variable | Value | Definitions | Timing |
|---|---|---|---|
| Body mass index (kg/m2) | Overweight: 2–29.9 Obese: 30–39.99 Severely obese: ≥40 |
Closest value to vaccine period taken in the past 5 years and not taken during pregnancy | |
| Pregnancy | 0/1 | Pregnancy determined from February 2, 2020 | |
| Cancer | 0/1 | General ICD9 codes: 174, 175, 153, 154, 162, 188, 183, 182, 157, 191, 192, 151, 172, 201, 200, 202.4, 204, 205, 206, 207.1, 208.1, 189, 160, 161, 180, 140, 141, 142, 143, 144, 145, 150, 155, 156, 170, 171, 176, 184, 186, 187, 203, 152, 158, 159, 163, 164, 165, 190, 196, 197, 198, 199, "V10.5", "V10.6", "V10.1", "V10.4" Specific ICD9 codes: 233.0, "V10.3", 185, "V10.46", "V10.51", "V10.43", 179, "V10.42", "V10.85", "V10.04", "V10.82", "V10.52", 164.0, 195.0, "V10.21", "V10.22", "V10.41", "V10.03", ”V10.07", "V10.81", 193, "V10.87", 273.3, 181, 192.8 Procedure ICD9 code: 85.4 |
In the past 5 years |
| Chronic kidney disease | 0/1 | General ICD9 codes: 585, 581, 582, 583, 588, 589 Specific ICD9 codes: 996.81, "V42.0", 403.01, 403.11, 403.21, 403.31, 403.41, 403.51, 403.61, 403.71, 403.81, 403.91, 404.02, 404.12, 404.22, 404.32, 404.42, 404.52, 404.62, 404.72, 404.82, 404.92, 404.03, 404.13, 404.23, 404.33, 404.43, 404.53, 404.63, 404.73, 404.83, 404.93, 586, 250.4, 274.1, 440.1, 587 Procedure ICD9 codes: 39.95, 54.98, 55.6 |
Ever |
| Chronic obstructive pulmonary disease | 0/1 | General ICD9 codes: 491, 492 Specific ICD9 codes: 496 |
Ever |
| Heart conditions | 0/1 | General ICD9 codes: 410, 411, 413, 414, 428, 425, 416 Specific ICD9 codes: 412, 413, 414, 429.2, 429.7, "V45.81", "V45.82", 398.91, 402.01, 402.11, 402.21, 402.31, 402.41, 402.51, 402.61, 402.71, 402.81, 402.91, 404.01, 404.11, 404.21, 404.31, 404.41, 404.51, 404.61, 404.71, 404.81, 404.91, 404.03, 404.13, 404.23, 404.33, 404.43, 404.53, 404.63, 404.73, 404.83, 404.93, 416.9, 514 |
Ever |
| Solid organ transplant | 0/1 | Specific ICD9 codes: 996.81, "V42.0", "V42.7", "V42.1", "V43.2", "V42.83", "V42.6" Procedure ICD9 codes: 55.6, 50.5, 37.5, 52.8, 33.5, 33.6 |
Ever |
| Sickle cell disease | 0/1 | Specific ICD9 code: 282.6 | Ever |
| Type 1 diabetes | 0/1 | General ICD9 codes: 250.01, 250.11, 250.21, 250.31, 250.41, 250.51, 250.61, 250.71, 250.81, 250.91, 250.03, 250.13, 250.23, 250.33, 250.43, 250.53, 250.63, 250.73, 250.83, 250.93 | Ever |
| Type 2 diabetes | 0/1 | General ICD9 codes: 250 Specific ICD9 codes: 357.2, 362.0 Exclude ICD9 codes: 250.01, 250.11, 250.21, 250.31, 250.41, 250.51, 250.61, 250.71, 250.81, 250.91, 250.03, 250.13, 250.23, 250.33, 250.43, 250.53, 250.63, 250.73, 250.83, 250.93 |
Ever |
| Asthma | 0/1 | Specific IBD9 code: 493 | Ever |
| Cerebrovascular disease | 0/1 | General ICD9 codes: 432, 433, 434, 435, 436, 438 Specific codes ICD9: 362.34, 430, 431 |
Ever |
| Other respiratory disease | 0/1 | General ICD9 codes: 494, 277.0 Specific ICD9 codes: 515 |
Ever |
| Hypertension | 0/1 | General ICD9 codes: 401, 402, 403, 404, 405 | Ever |
| Immunocompromised state | 0/1 | General ICD9 codes: "042", "043", "044", "V42.8", "V42.8" Specific ICD9 codes: "795.71", "V08" Procedure ICD9 codes: 41.0 |
Ever |
| Neurologic conditions | 0/1 | General ICD9 codes: 290, 294, 331, 358, 345, 343, 334, 356, 335, 730.7, 331.3, 333, 334, 336, 335.1, 237.7, 742.81, 742.82 Specific ICD9 codes: 310.1, "332.0", 332.1, 340, 333.4, 138, "V12.02", 228.02, 307.23, 330.9, 331.4, 337, 335.1, "359.0", 359.21, "357.0", 742.81, 742.82 |
Ever |
| Liver disease | 0/1 | General ICD9 codes: 571, 572 Specific ICD9 codes: "070.22", "070.23", "070.32", "070.33", "070.44", "070.54", "V02.61", "V02.62", 275.1, 277.4, 452, "453.0", 571.8, 571.9 |
Ever |
| Thalassemia | 0/1 | General ICD9 code: “282.4” | Ever |
ICD9, International Classification of Diseases, Ninth Revision.