Table 41
Distribution of the household population by the concentration of serum vitamin B12, by age and sex, Canada, 2007 to 2009

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Distribution of the household population by the concentration of serum vitamin B12, by age and sex, Canada, 2007 to 2009: Part 1
  Concentration of serum vitamin B12
Mean 5 th percentile 10 th percentile 25 th percentile
Estimate Confidence interval Estimate Confidence interval Estimate Confidence interval Estimate Confidence interval
From To From To From To From To
  picomoles per litre
Both sexes  
Age 6 to 11 462 450 474 228 214 242 267 255 279 348 332 364
Age 12 to 19 347 334 359 153 142 164 178 159 197 233 225 241
Age 20 to 39 321 312 330 148 134 162 176 164 188 218 209 227
Age 40 to 59 332 318 346 145 136 154 169 156 182 218 205 231
Age 60 to 79 351 340 362 153 143 163 177 169 185 230 221 239
Age 6 to 19 387 378 396 163 150 176 202 194 210 262 252 272
Age 20 to 79 332 323 340 147 140 154 174 167 181 221 214 228
Age 6 to 79 341 334 349 150 144 156 177 171 183 227 220 234
Males  
Age 6 to 11 453 434 471 223 193 253 269 250 288 337 312 362
Age 12 to 19 358 340 376 177 155 199 204 191 217 252 235 269
Age 20 to 39 328 315 341 178 166 190 194 186 202 241 229 253
Age 40 to 59 315 304 325 144 129 159 162 148 176 213 195 231
Age 60 to 79 327 315 339 150 135 165 171 163 179 220 207 233
Age 6 to 19 391 376 406 190 172 208 212 200 224 276 267 285
Age 20 to 79 322 314 330 154 145 163 178 173 183 224 212 236
Age 6 to 79 334 329 340 156 149 163 181 177 185 232 226 238
Females  
Age 6 to 11 473 454 491 238 222 254 266 234 298 359 319 399
Age 12 to 19 334 317 352 139 117 161 157 138 176 225 208 242
Age 20 to 39 315 300 330 140 125 155 156 139 173 201 187 215
Age 40 to 59 350 327 372 148 135 161 175 158 192 221 204 238
Age 60 to 79 374 359 389 153 133 173 181 166 196 244 231 257
Age 6 to 19 382 372 393 151 134 168 177 149 205 246 228 264
Age 20 to 79 342 328 355 144 135 153 170 157 183 218 211 225
Age 6 to 79 349 336 361 144 136 152 170 157 183 221 213 229
Distribution of the household population by the concentration of serum vitamin B12, by age and sex, Canada, 2007 to 2009: Part 2
  Concentration of serum vitamin B12
50 th percentile 75 th percentile 90 th percentile 95 th percentile
Estimate Confidence interval Estimate Confidence interval Estimate Confidence interval Estimate Confidence interval
From To From To From To From To
  picomoles per litre
Both sexes  
Age 6 to 11 448 431 465 589 571 607 671 655 687 702 696 708
Age 12 to 19 312 298 326 449 419 479 567 524 610 618 584 652
Age 20 to 39 291 284 298 411 391 431 529 503 555 582 557 607
Age 40 to 59 301 279 323 432 409 455 553 528 578 620 592 648
Age 60 to 79 320 304 336 451 424 478 592 567 617 654 631 677
Age 6 to 19 364 352 376 508 489 527 618 599 637 665 647 683
Age 20 to 79 299 288 310 426 408 444 553 540 566 618 604 632
Age 6 to 79 308 299 317 440 429 451 570 560 580 629 617 641
Males  
Age 6 to 11 443 418 468 569 531 607 659 638 680 700 692 708
Age 12 to 19 323 308 338 467 428 506 567 526 608 614 576 652
Age 20 to 39 301 290 312 398 367 429 514 475 553 573 545 601
Age 40 to 59 288 268 308 390 375 405 513 473 553 597 554 640
Age 60 to 79 298 280 316 398 381 415 563 525 601 621 581 661
Age 6 to 19 362 339 385 508 485 531 612 591 633 658 642 674
Age 20 to 79 296 287 305 394 380 408 520 493 547 590 570 610
Age 6 to 79 305 298 312 415 399 431 544 529 559 613 595 631
Females  
Age 6 to 11 454 426 482 594 573 615 682 669 695 705 696 714
Age 12 to 19 302 277 327 441 402 480 567 506 628 626 579 673
Age 20 to 39 277 262 292 413 381 445 532 495 569 596 563 629
Age 40 to 59 320 287 353 479 433 525 575 554 596 629 584 674
Age 60 to 79 344 326 362 485 449 521 632 614 650 671 650 692
Age 6 to 19 364 350 378 506 483 529 626 606 646 675 659 691
Age 20 to 79 305 283 327 450 423 477 575 560 590 632 613 651
Age 6 to 79 313 295 331 461 437 485 584 569 599 646 628 664
Note(s):
Total household population aged 6 to 79, except those meeting the exclusion criteria. For more information regarding the exclusion criteria and the limit of detection for serum vitamin B12, please refer to the Canadian Health Measures Survey (CHMS) Data User Guide: Cycle 1.
Source(s):
Canadian Health Measures Survey, Cycle 1.