Uniform Data Set version 4
UDSv4 - Template
United States
Reference ID
USDv4
Producer(s)
National Alzheimer’s Coordinating Center (NACC) and the NIA-funded ADRC network
Collections
Created on
Jul 02, 2026
Last modified
Jul 07, 2026
Page views
11578
2. Participant weight (lbs.) (weight)
Data file: UDSv4TemplateForXMLD_2026-04-14_0731.REDCap.xml
Overview
Valid:
57
Range:
-
Format:
Questions and instructions
Question pretext
[modeb1]<>'0'
Categories
| Value | Category | Cases | |
|---|---|---|---|
| 50 | 50 | 0 |
0%
|
| 51 | 51 | 0 |
0%
|
| 52 | 52 | 0 |
0%
|
| 53 | 53 | 0 |
0%
|
| 54 | 54 | 0 |
0%
|
| 55 | 55 | 0 |
0%
|
| 56 | 56 | 0 |
0%
|
| 57 | 57 | 0 |
0%
|
| 58 | 58 | 0 |
0%
|
| 59 | 59 | 0 |
0%
|
| 60 | 60 | 0 |
0%
|
| 61 | 61 | 0 |
0%
|
| 62 | 62 | 0 |
0%
|
| 63 | 63 | 0 |
0%
|
| 64 | 64 | 0 |
0%
|
| 65 | 65 | 0 |
0%
|
| 66 | 66 | 0 |
0%
|
| 67 | 67 | 0 |
0%
|
| 68 | 68 | 0 |
0%
|
| 69 | 69 | 0 |
0%
|
| 70 | 70 | 0 |
0%
|
| 71 | 71 | 0 |
0%
|
| 72 | 72 | 0 |
0%
|
| 73 | 73 | 0 |
0%
|
| 74 | 74 | 0 |
0%
|
| 75 | 75 | 0 |
0%
|
| 76 | 76 | 0 |
0%
|
| 77 | 77 | 0 |
0%
|
| 78 | 78 | 0 |
0%
|
| 79 | 79 | 0 |
0%
|
| 80 | 80 | 0 |
0%
|
| 81 | 81 | 0 |
0%
|
| 82 | 82 | 0 |
0%
|
| 83 | 83 | 0 |
0%
|
| 84 | 84 | 0 |
0%
|
| 85 | 85 | 0 |
0%
|
| 86 | 86 | 0 |
0%
|
| 87 | 87 | 0 |
0%
|
| 88 | 88 | 0 |
0%
|
| 89 | 89 | 0 |
0%
|
| 90 | 90 | 0 |
0%
|
| 91 | 91 | 0 |
0%
|
| 92 | 92 | 0 |
0%
|
| 93 | 93 | 0 |
0%
|
| 94 | 94 | 0 |
0%
|
| 95 | 95 | 0 |
0%
|
| 96 | 96 | 0 |
0%
|
| 97 | 97 | 0 |
0%
|
| 98 | 98 | 0 |
0%
|
| 99 | 99 | 0 |
0%
|
| 100 | 100 | 0 |
0%
|
| 101 | 101 | 0 |
0%
|
| 102 | 102 | 0 |
0%
|
| 103 | 103 | 0 |
0%
|
| 104 | 104 | 0 |
0%
|
| 105 | 105 | 0 |
0%
|
| 106 | 106 | 0 |
0%
|
| 107 | 107 | 0 |
0%
|
| 108 | 108 | 0 |
0%
|
| 109 | 109 | 0 |
0%
|
| 110 | 110 | 0 |
0%
|
| 111 | 111 | 0 |
0%
|
| 112 | 112 | 0 |
0%
|
| 113 | 113 | 0 |
0%
|
| 114 | 114 | 0 |
0%
|
| 115 | 115 | 0 |
0%
|
| 116 | 116 | 0 |
0%
|
| 117 | 117 | 0 |
0%
|
| 118 | 118 | 0 |
0%
|
| 119 | 119 | 0 |
0%
|
| 120 | 120 | 0 |
0%
|
| 121 | 121 | 0 |
0%
|
| 122 | 122 | 0 |
0%
|
| 123 | 123 | 0 |
0%
|
| 124 | 124 | 0 |
0%
|
| 125 | 125 | 0 |
0%
|
| 126 | 126 | 0 |
0%
|
| 127 | 127 | 0 |
0%
|
| 128 | 128 | 0 |
0%
|
| 129 | 129 | 0 |
0%
|
| 130 | 130 | 0 |
0%
|
| 131 | 131 | 0 |
0%
|
| 132 | 132 | 0 |
0%
|
| 133 | 133 | 0 |
0%
|
| 134 | 134 | 0 |
0%
|
| 135 | 135 | 0 |
0%
|
| 136 | 136 | 0 |
0%
|
| 137 | 137 | 0 |
0%
|
| 138 | 138 | 0 |
0%
|
| 139 | 139 | 0 |
0%
|
| 140 | 140 | 0 |
0%
|
| 141 | 141 | 0 |
0%
|
| 142 | 142 | 0 |
0%
|
| 143 | 143 | 0 |
0%
|
| 144 | 144 | 0 |
0%
|
| 145 | 145 | 0 |
0%
|
| 146 | 146 | 0 |
0%
|
| 147 | 147 | 0 |
0%
|
| 148 | 148 | 0 |
0%
|
| 149 | 149 | 0 |
0%
|
| 150 | 150 | 0 |
0%
|
| 151 | 151 | 0 |
0%
|
| 152 | 152 | 0 |
0%
|
| 153 | 153 | 0 |
0%
|
| 154 | 154 | 0 |
0%
|
| 155 | 155 | 19 |
33.3%
|
| 156 | 156 | 0 |
0%
|
| 157 | 157 | 0 |
0%
|
| 158 | 158 | 0 |
0%
|
| 159 | 159 | 0 |
0%
|
| 160 | 160 | 0 |
0%
|
| 161 | 161 | 0 |
0%
|
| 162 | 162 | 0 |
0%
|
| 163 | 163 | 0 |
0%
|
| 164 | 164 | 0 |
0%
|
| 165 | 165 | 0 |
0%
|
| 166 | 166 | 0 |
0%
|
| 167 | 167 | 0 |
0%
|
| 168 | 168 | 0 |
0%
|
| 169 | 169 | 0 |
0%
|
| 170 | 170 | 0 |
0%
|
| 171 | 171 | 0 |
0%
|
| 172 | 172 | 0 |
0%
|
| 173 | 173 | 0 |
0%
|
| 174 | 174 | 0 |
0%
|
| 175 | 175 | 0 |
0%
|
| 176 | 176 | 0 |
0%
|
| 177 | 177 | 0 |
0%
|
| 178 | 178 | 0 |
0%
|
| 179 | 179 | 0 |
0%
|
| 180 | 180 | 0 |
0%
|
| 181 | 181 | 0 |
0%
|
| 182 | 182 | 0 |
0%
|
| 183 | 183 | 0 |
0%
|
| 184 | 184 | 0 |
0%
|
| 185 | 185 | 0 |
0%
|
| 186 | 186 | 0 |
0%
|
| 187 | 187 | 0 |
0%
|
| 188 | 188 | 0 |
0%
|
| 189 | 189 | 0 |
0%
|
| 190 | 190 | 0 |
0%
|
| 191 | 191 | 0 |
0%
|
| 192 | 192 | 0 |
0%
|
| 193 | 193 | 0 |
0%
|
| 194 | 194 | 0 |
0%
|
| 195 | 195 | 0 |
0%
|
| 196 | 196 | 0 |
0%
|
| 197 | 197 | 0 |
0%
|
| 198 | 198 | 0 |
0%
|
| 199 | 199 | 0 |
0%
|
| 200 | 200 | 0 |
0%
|
| 201 | 201 | 0 |
0%
|
| 202 | 202 | 0 |
0%
|
| 203 | 203 | 0 |
0%
|
| 204 | 204 | 0 |
0%
|
| 205 | 205 | 0 |
0%
|
| 206 | 206 | 0 |
0%
|
| 207 | 207 | 0 |
0%
|
| 208 | 208 | 0 |
0%
|
| 209 | 209 | 0 |
0%
|
| 210 | 210 | 0 |
0%
|
| 211 | 211 | 0 |
0%
|
| 212 | 212 | 11 |
19.3%
|
| 213 | 213 | 0 |
0%
|
| 214 | 214 | 0 |
0%
|
| 215 | 215 | 0 |
0%
|
| 216 | 216 | 0 |
0%
|
| 217 | 217 | 0 |
0%
|
| 218 | 218 | 0 |
0%
|
| 219 | 219 | 0 |
0%
|
| 220 | 220 | 0 |
0%
|
| 221 | 221 | 0 |
0%
|
| 222 | 222 | 0 |
0%
|
| 223 | 223 | 0 |
0%
|
| 224 | 224 | 0 |
0%
|
| 225 | 225 | 0 |
0%
|
| 226 | 226 | 0 |
0%
|
| 227 | 227 | 0 |
0%
|
| 228 | 228 | 0 |
0%
|
| 229 | 229 | 0 |
0%
|
| 230 | 230 | 0 |
0%
|
| 231 | 231 | 0 |
0%
|
| 232 | 232 | 0 |
0%
|
| 233 | 233 | 0 |
0%
|
| 234 | 234 | 0 |
0%
|
| 235 | 235 | 0 |
0%
|
| 236 | 236 | 0 |
0%
|
| 237 | 237 | 0 |
0%
|
| 238 | 238 | 0 |
0%
|
| 239 | 239 | 0 |
0%
|
| 240 | 240 | 0 |
0%
|
| 241 | 241 | 0 |
0%
|
| 242 | 242 | 0 |
0%
|
| 243 | 243 | 0 |
0%
|
| 244 | 244 | 0 |
0%
|
| 245 | 245 | 0 |
0%
|
| 246 | 246 | 0 |
0%
|
| 247 | 247 | 0 |
0%
|
| 248 | 248 | 0 |
0%
|
| 249 | 249 | 0 |
0%
|
| 250 | 250 | 0 |
0%
|
| 251 | 251 | 0 |
0%
|
| 252 | 252 | 0 |
0%
|
| 253 | 253 | 0 |
0%
|
| 254 | 254 | 0 |
0%
|
| 255 | 255 | 0 |
0%
|
| 256 | 256 | 0 |
0%
|
| 257 | 257 | 0 |
0%
|
| 258 | 258 | 0 |
0%
|
| 259 | 259 | 0 |
0%
|
| 260 | 260 | 0 |
0%
|
| 261 | 261 | 0 |
0%
|
| 262 | 262 | 0 |
0%
|
| 263 | 263 | 0 |
0%
|
| 264 | 264 | 0 |
0%
|
| 265 | 265 | 0 |
0%
|
| 266 | 266 | 0 |
0%
|
| 267 | 267 | 0 |
0%
|
| 268 | 268 | 0 |
0%
|
| 269 | 269 | 0 |
0%
|
| 270 | 270 | 0 |
0%
|
| 271 | 271 | 0 |
0%
|
| 272 | 272 | 0 |
0%
|
| 273 | 273 | 0 |
0%
|
| 274 | 274 | 0 |
0%
|
| 275 | 275 | 0 |
0%
|
| 276 | 276 | 0 |
0%
|
| 277 | 277 | 0 |
0%
|
| 278 | 278 | 0 |
0%
|
| 279 | 279 | 0 |
0%
|
| 280 | 280 | 0 |
0%
|
| 281 | 281 | 0 |
0%
|
| 282 | 282 | 0 |
0%
|
| 283 | 283 | 0 |
0%
|
| 284 | 284 | 0 |
0%
|
| 285 | 285 | 0 |
0%
|
| 286 | 286 | 0 |
0%
|
| 287 | 287 | 0 |
0%
|
| 288 | 288 | 0 |
0%
|
| 289 | 289 | 0 |
0%
|
| 290 | 290 | 0 |
0%
|
| 291 | 291 | 0 |
0%
|
| 292 | 292 | 0 |
0%
|
| 293 | 293 | 0 |
0%
|
| 294 | 294 | 0 |
0%
|
| 295 | 295 | 0 |
0%
|
| 296 | 296 | 0 |
0%
|
| 297 | 297 | 0 |
0%
|
| 298 | 298 | 0 |
0%
|
| 299 | 299 | 0 |
0%
|
| 300 | 300 | 0 |
0%
|
| 301 | 301 | 0 |
0%
|
| 302 | 302 | 0 |
0%
|
| 303 | 303 | 0 |
0%
|
| 304 | 304 | 0 |
0%
|
| 305 | 305 | 0 |
0%
|
| 306 | 306 | 0 |
0%
|
| 307 | 307 | 0 |
0%
|
| 308 | 308 | 0 |
0%
|
| 309 | 309 | 0 |
0%
|
| 310 | 310 | 0 |
0%
|
| 311 | 311 | 0 |
0%
|
| 312 | 312 | 0 |
0%
|
| 313 | 313 | 0 |
0%
|
| 314 | 314 | 0 |
0%
|
| 315 | 315 | 0 |
0%
|
| 316 | 316 | 0 |
0%
|
| 317 | 317 | 0 |
0%
|
| 318 | 318 | 0 |
0%
|
| 319 | 319 | 0 |
0%
|
| 320 | 320 | 0 |
0%
|
| 321 | 321 | 0 |
0%
|
| 322 | 322 | 0 |
0%
|
| 323 | 323 | 0 |
0%
|
| 324 | 324 | 0 |
0%
|
| 325 | 325 | 0 |
0%
|
| 326 | 326 | 0 |
0%
|
| 327 | 327 | 0 |
0%
|
| 328 | 328 | 0 |
0%
|
| 329 | 329 | 0 |
0%
|
| 330 | 330 | 0 |
0%
|
| 331 | 331 | 0 |
0%
|
| 332 | 332 | 0 |
0%
|
| 333 | 333 | 0 |
0%
|
| 334 | 334 | 0 |
0%
|
| 335 | 335 | 0 |
0%
|
| 336 | 336 | 0 |
0%
|
| 337 | 337 | 0 |
0%
|
| 338 | 338 | 0 |
0%
|
| 339 | 339 | 0 |
0%
|
| 340 | 340 | 0 |
0%
|
| 341 | 341 | 0 |
0%
|
| 342 | 342 | 0 |
0%
|
| 343 | 343 | 0 |
0%
|
| 344 | 344 | 0 |
0%
|
| 345 | 345 | 0 |
0%
|
| 346 | 346 | 0 |
0%
|
| 347 | 347 | 0 |
0%
|
| 348 | 348 | 0 |
0%
|
| 349 | 349 | 0 |
0%
|
| 350 | 350 | 0 |
0%
|
| 351 | 351 | 0 |
0%
|
| 352 | 352 | 0 |
0%
|
| 353 | 353 | 0 |
0%
|
| 354 | 354 | 0 |
0%
|
| 355 | 355 | 0 |
0%
|
| 356 | 356 | 0 |
0%
|
| 357 | 357 | 0 |
0%
|
| 358 | 358 | 0 |
0%
|
| 359 | 359 | 0 |
0%
|
| 360 | 360 | 0 |
0%
|
| 361 | 361 | 0 |
0%
|
| 362 | 362 | 0 |
0%
|
| 363 | 363 | 0 |
0%
|
| 364 | 364 | 0 |
0%
|
| 365 | 365 | 0 |
0%
|
| 366 | 366 | 0 |
0%
|
| 367 | 367 | 0 |
0%
|
| 368 | 368 | 0 |
0%
|
| 369 | 369 | 0 |
0%
|
| 370 | 370 | 0 |
0%
|
| 371 | 371 | 0 |
0%
|
| 372 | 372 | 0 |
0%
|
| 373 | 373 | 0 |
0%
|
| 374 | 374 | 0 |
0%
|
| 375 | 375 | 0 |
0%
|
| 376 | 376 | 0 |
0%
|
| 377 | 377 | 0 |
0%
|
| 378 | 378 | 0 |
0%
|
| 379 | 379 | 0 |
0%
|
| 380 | 380 | 0 |
0%
|
| 381 | 381 | 0 |
0%
|
| 382 | 382 | 0 |
0%
|
| 383 | 383 | 0 |
0%
|
| 384 | 384 | 0 |
0%
|
| 385 | 385 | 0 |
0%
|
| 386 | 386 | 0 |
0%
|
| 387 | 387 | 0 |
0%
|
| 388 | 388 | 0 |
0%
|
| 389 | 389 | 0 |
0%
|
| 390 | 390 | 0 |
0%
|
| 391 | 391 | 0 |
0%
|
| 392 | 392 | 0 |
0%
|
| 393 | 393 | 0 |
0%
|
| 394 | 394 | 0 |
0%
|
| 395 | 395 | 0 |
0%
|
| 396 | 396 | 0 |
0%
|
| 397 | 397 | 0 |
0%
|
| 398 | 398 | 27 |
47.4%
|
| 399 | 399 | 0 |
0%
|
| 400 | 400 | 0 |
0%
|
| 888 | 888 = Not assessed | 0 |
0%
|
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.
Others
Notes
Field Note : (888 = not assessed)