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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