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Table 1 Means and 99% confidence intervals of accelerometer-derived metrics

From: A closer look at the relationship among accelerometer-based physical activity metrics: ICAD pooled data

  Unweighted sample Wear minutes Sedentary minutes LPA minutes MPA minutes VPA minutes TAC × 1000
  n    Mean (99% CI)    
All 24,316 776 (774, 777) 382 (380, 383) 346 (345, 347) 35 (34, 35) 13 (13, 13) 417 (415, 420)
Age and sex*
 5–9 yr. boy 2558 758 (754, 763) 303 (298, 307) 395 (392, 399) 45 (44, 46) 16 (15, 16) 518 (510, 525)
 5–9 yr. girl 2740 755 (751, 759) 306 (302, 310) 400 (397, 404) 37 (36, 37) 12 (11, 12) 467 (460, 473)
 10–12 yr. boy 4547 768 (765, 771) 348 (345, 351) 358 (355, 360) 45 (44, 46) 17 (17, 18) 488 (483, 493)
 10–12 yr. girl 6701 769 (767, 772) 375 (373, 378) 354 (352, 356) 30 (30, 30) 11 (10, 11) 392 (388, 395)
 13–15 yr. boy 2810 804 (799, 808) 445 (440, 450) 308 (304, 312) 33 (33, 33) 17 (17, 18) 399 (392, 406)
 13–15 yr. girl 3160 799 (795, 803) 472 (468, 476) 292 (288, 295) 26 (25, 26) 10 (10, 11) 317 (311, 322)
 16–18 yr. boy 872 790 (781, 798) 459 (451, 468) 288 (281, 296) 27 (26, 29) 15 (14, 16) 353 (341, 365)
 16–18 yr. girl 922 788 (781, 796) 481 (474, 489) 279 (273, 286) 20 (19, 21) 7 (7, 8) 274 (265, 283)
Mother’s education level**
 <=compulsory education 6192 767 (764, 769) 356 (353, 359) 361 (359, 364) 36 (35, 36) 14 (13, 14) 437 (432, 442)
 Some post-compulsory education or vocational 4766 777 (773, 780) 368 (365, 372) 360 (357, 362) 35 (35, 36) 13 (13, 14) 431 (426, 436)
 > = completed undergraduate 4090 778 (775, 781) 375 (371, 379) 354 (351, 357) 35 (34, 36) 14 (14, 15) 431 (425, 437)
Obesity status***
 Non-obese 21,728 777 (775, 778) 381 (379, 382) 347 (346, 349) 35 (35, 35) 14 (14, 14) 422 (419, 425)
 Obese 1767 767 (762, 772) 392 (385, 398) 338 (334, 343) 28 (27, 29) 9 (8, 9) 363 (356, 371)
Type of day
 Weekday 24,316 795 (793, 796) 394 (392, 396) 349 (348, 351) 37 (37, 37) 14 (14, 15) 433 (430, 435)
 Weekend 21,698 732 (730, 734) 352 (350, 354) 341 (339, 342) 29 (28, 29) 11 (10, 11) 382 (379, 385)
Wear time
 8- < 13 h/day 12,817 714 (713, 716) 337 (335, 339) 330 (329, 332) 34 (34, 34) 13 (12, 13) 407 (404, 410)
 13–18 h/day 11,499 844 (843, 846) 431 (429, 434) 364 (362, 366) 35 (35, 36) 14 (14, 14) 429 (425, 432)
  1. *n for missing = 6
  2. **n for missing = 9268
  3. ***n for missing = 821
  4. CI, confidence interval; LPA, light-intensity physical activity; MPA, moderate-intensity physical activity; TAC, total activity counts; VPA, vigorous-intensity physical activity