Table S1: Demographic Characteristics of the Analyzed Sample
Age groups, % (SE)
3-5 6-11 12-19 20-29 30-39 40-49 50-59 60-69 70-79 80+
(n = 888) (n = 2718) (n = 2424) (n = 1371) (n = 1456) (n = 1493) (n = 1458) (n = 1485) (n = 880) (n = 532)
Male 49.8 (1.7)
(n = 452)
49.5 (1.3) (n = 1338)
49.5 (1.4) (n = 1186)
49.7 (1.2) (n = 680)
48.3 (1.3) (n = 702)
48.7 (1.6) (n = 688)
46.7 (2.0) (n = 679)
46.5 (1.9) (n = 721)
44.9 (1.2) (n = 426)
39.0 (2.1) (n = 254) Race/ethnicity
Non-Hispanic white 48.8 (6.1) 52.8 (3.1) 54.5 (3.5) 54.4 (4.0) 58.6 (2.7) 66.2 (3.5) 69.9 (3.3) 77.4 (2.6) 79.6 (2.3) 87.3 (2.3) Non-Hispanic Black 14.4 (2.5) 12.9 (1.5) 14.5 (2.4) 12.3 (1.9) 10.3 (1.2) 9.9 (1.7) 12.6 (2.0) 8.8 (1.3) 8.8 (1.5) 4.7 (1.1) Mexican American 18.3 (4.2) 17.1 (2.5) 14.6 (2.3) 14.5 (2.3) 14.3 (2.1) 8.7 (1.7) 7.1 (1.3) 5.0 (1.0) 2.6 (1.0) 1.6 (0.5) Other Hispanic 8.8 (2.2) 8.4 (1.6) 7.1 (1.2) 9.9 (1.8) 7.6 (1.5) 6.6 (1.3) 3.9 (1.0) 4.0 (0.7) 3.3 (0.6) 2.4 (1.0) Other Race/Multi-
Racial 9.7 (1.8) 8.7 (1.2) 9.3 (1.4) 9.4 (1.2) 9.2 (1.3) 8.7 (1.2) 6.5 (1.0) 4.8 (1.1) 5.7 (1.1) 4.0 (1.5) Education level (adults only)
< High school 15.5 (1.9) 15.9 (1.7) 16.2 (1.7) 17.1 (2.1) 15.1 (2.4) 21.5 (2.2) 21.7 (3.4) High school/GED 23.1 (2.3) 22.2 (2.5) 25.2 (2.8) 23.3 (2.2) 19.6 (2.2) 18.2 (3.3) 27.8 (3.8) Some college/
Associates 39.3 (3.3) 25.4 (1.5) 28.6 (2.4) 27.2 (2.5) 28.2 (2.8) 28.5 (3.8) 20.9 (3.2) College degree 22.1 (2.4) 36.5 (2.7) 30.0 (2.5) 32.4 (3.3) 37.2 (3.3) 31.8 (3.1) 29.2 (5.4)
Female 50.2 (1.7)
(n = 436)
50.5 (1.3) (n = 1380)
50.5 (1.4) (n = 1238)
50.3 (1.2) (n = 691)
51.7 (1.3) (n = 754)
51.3 (1.6) (n = 805)
53.3 (2.0) (n = 779)
53.5 (1.9) (n = 764)
55.1 (1.2) (n = 454)
61.0 (2.1) (n = 278) Race/ethnicity
Non-Hispanic white 45.6 (5.6) 51.9 (3.4) 54.8 (3.4) 54.6 (3.6) 57.8 (3.3) 60.8 (3.4) 73.9 (3.2) 74.3 (2.5) 77.5 (2.0) 86.1 (2.2) Non-Hispanic Black 16.3 (2.6) 13.7 (1.7) 15.2 (2.3) 15.6 (2.2) 12.9 (1.7) 13.5 (1.9) 11.7 (1.8) 10.3 (1.6) 9.7 (1.6) 6.7 (1.2) Mexican American 18.5 (3.6) 16.7 (2.3) 13.7 (1.7) 11.0 (2.1) 13.2 (2.1) 10.6 (1.7) 4.3 (0.9) 4.6 (1.0) 2.7 (0.7) 1.4 (0.7) Other Hispanic 8.2 (1.9) 7.3 (1.1) 7.7 (1.3) 9.0 (1.4) 6.8 (1.3) 6.3 (1.1) 4.9 (0.8) 4.3 (1.1) 4.6 (0.9) 2.6 (0.9) Other Race/Multi-
Racial 11.4 (2.0) 10.4 (1.4) 8.7 (1.1) 9.8 (1.3) 9.2 (1.0) 8.9 (1.0) 5.1 (0.9) 6.5 (1.4) 5.5 (1.0) 3.2 (1.0) Education level (adults only)
< High school 12.0 (1.5) 12.5 (1.7) 16.6 (1.8) 13.3 (1.9) 13.9 (2.1) 21.8 (2.2) 28.1 (3.2) High school/GED 18.4 (2.2) 15.8 (1.6) 18.2 (1.9) 20.2 (2.0) 21.0 (2.0) 27.8 (2.1) 24.6 (3.3) Some college/
Associates 45.4 (3.3) 33.0 (2.1) 30.6 (2.5) 34.4 (2.6) 35.7 (2.5) 32.9 (2.6) 27.8 (3.6) College degree 24.0 (3.0) 38.6 (2.7) 34.6 (2.9) 32.2 (3.3) 29.4 (3.3) 17.4 (1.9) 18.8 (3.1)
Table S2: GAMLSS Parameters (μ, σ, ν, τ) and Percentiles for MIMS-unit Activity in U.S. Male Youth Ages 3-19 (n = 2,976).
Percentiles
Age ν μ σ τ 3 5 10 25 50 75 90 95 97
3 0.83 18692 0.13 2.76 13763 14426 15409 16984 18692 20428 22080 23136 23860
4 0.84 19576 0.14 2.73 14248 14966 16031 17733 19576 21446 23225 24365 25145
5 0.86 20281 0.14 2.71 14490 15273 16433 18282 20281 22309 24238 25475 26324
6 0.87 20613 0.15 2.69 14342 15192 16449 18451 20613 22805 24892 26232 27152
7 0.87 20365 0.16 2.66 13837 14723 16033 18116 20365 22646 24822 26221 27183
8 0.86 19828 0.17 2.64 13308 14193 15500 17581 19828 22111 24295 25703 26672
9 0.84 19110 0.17 2.61 12737 13601 14877 16911 19110 21350 23501 24892 25853
10 0.81 18168 0.17 2.59 11877 12726 13983 15991 18168 20396 22544 23939 24906
11 0.78 16955 0.19 2.57 10623 11472 12731 14752 16955 19224 21425 22863 23862
12 0.74 15686 0.21 2.54 9311 10155 11415 13449 15686 18008 20282 21777 22822
13 0.69 14774 0.22 2.52 8482 9303 10536 12543 14774 17115 19431 20968 22048
14 0.61 14179 0.22 2.49 8203 8971 10131 12037 14179 16453 18732 20260 21342
15 0.51 13737 0.22 2.47 8165 8870 9940 11716 13737 15916 18134 19642 20718
16 0.37 13424 0.22 2.44 8154 8805 9802 11479 13424 15566 17795 19340 20457
17 0.19 13250 0.22 2.42 8161 8770 9713 11328 13250 15430 17772 19439 20667
18 -0.02 13345 0.23 2.40 8291 8874 9787 11385 13345 15651 18233 20139 21581
19 -0.24 13855 0.24 2.37 8645 9223 10139 11777 13855 16407 19413 21740 23564
Abbreviations: ν, skewness; μ, location (median); σ, log scale (standard deviation); τ, log kurtosis (degrees of freedom).
Table S3: GAMLSS Parameters (μ, σ, ν, τ) and Percentiles for MIMS-unit Activity in U.S. Female Youth Ages 3-19 (n = 3,054).
Percentiles
Age ν μ σ τ 3 5 10 25 50 75 90 95 97
3 1.25 18907 0.13 2.02 13139 14049 15300 17111 18907 20663 22353 23476 24272
4 1.20 19524 0.13 2.10 13784 14671 15901 17709 19524 21307 23017 24146 24942
5 1.16 20203 0.13 2.18 14421 15295 16522 18348 20203 22032 23782 24931 25736
6 1.11 20706 0.13 2.26 14861 15728 16956 18807 20706 22586 24381 25553 26372
7 1.06 20658 0.13 2.34 14837 15685 16897 18743 20658 22561 24375 25554 26373
8 1.02 20144 0.14 2.42 14410 15231 16414 18237 20144 22048 23861 25034 25847
9 0.97 19365 0.14 2.50 13735 14528 15679 17471 19365 21263 23069 24234 25038
10 0.93 18425 0.15 2.58 12883 13650 14774 16541 18425 20323 22128 23290 24090
11 0.88 17348 0.16 2.66 11878 12622 13722 15468 17348 19253 21067 22232 23032
12 0.84 16280 0.17 2.74 10850 11577 12657 14392 16280 18204 20040 21219 22027
13 0.79 15461 0.18 2.82 10005 10722 11796 13542 15461 17432 19317 20528 21357
14 0.75 14923 0.19 2.90 9401 10113 11189 12956 14923 16957 18912 20167 21027
15 0.70 14612 0.21 2.98 9022 9729 10807 12598 14612 16714 18742 20046 20940
16 0.66 14408 0.21 3.06 8792 9490 10562 12361 14408 16561 18648 19992 20913
17 0.61 14209 0.22 3.14 8631 9313 10368 12155 14209 16387 18508 19877 20815
18 0.56 14186 0.22 3.22 8627 9296 10338 12119 14186 16394 18554 19952 20911
19 0.52 14515 0.22 3.30 8876 9546 10594 12400 14515 16789 19025 20475 21470
Abbreviations: ν, skewness; μ, location (median); σ, log scale (standard deviation); τ, log kurtosis (degrees of freedom).
Table S4: GAMLSS Parameters (μ, σ, ν, τ) and Percentiles for MIMS-unit Activity in U.S. Adult Males Ages 20+ (n = 4,150).
Percentiles
Age ν μ σ τ 3 5 10 25 50 75 90 95 97
20 0.71 13968 0.25 3.42 7661 8428 9619 11644 13968 16408 18747 20231 21236
21 0.70 13953 0.25 3.39 7675 8436 9619 11634 13953 16395 18741 20234 21247
22 0.68 13940 0.25 3.37 7689 8444 9619 11626 13940 16383 18738 20240 21260
23 0.67 13928 0.25 3.35 7703 8453 9621 11619 13928 16373 18737 20249 21277
24 0.65 13918 0.25 3.33 7719 8464 9625 11614 13918 16366 18739 20261 21298
25 0.63 13911 0.25 3.31 7736 8475 9630 11610 13911 16361 18745 20277 21323
26 0.61 13905 0.25 3.29 7754 8488 9636 11609 13905 16359 18754 20297 21353
27 0.60 13902 0.25 3.27 7773 8503 9644 11609 13902 16359 18766 20321 21386
28 0.58 13901 0.25 3.25 7793 8518 9653 11610 13901 16362 18781 20348 21424
29 0.56 13902 0.25 3.23 7813 8534 9663 11614 13902 16367 18798 20378 21465
30 0.55 13904 0.25 3.21 7834 8550 9674 11618 13904 16374 18818 20410 21508
31 0.53 13906 0.25 3.19 7854 8567 9685 11623 13906 16382 18838 20444 21553
32 0.51 13909 0.25 3.17 7874 8582 9696 11627 13909 16390 18859 20478 21599
33 0.50 13911 0.25 3.15 7892 8597 9706 11631 13911 16397 18879 20512 21643
34 0.48 13911 0.25 3.13 7908 8610 9714 11634 13911 16401 18896 20541 21684
35 0.47 13907 0.25 3.11 7921 8619 9718 11632 13907 16401 18908 20565 21719
36 0.45 13899 0.25 3.09 7928 8623 9718 11627 13899 16395 18912 20581 21744
37 0.44 13885 0.25 3.07 7931 8623 9714 11617 13885 16383 18908 20587 21759
38 0.43 13865 0.25 3.05 7928 8617 9704 11601 13865 16363 18895 20582 21763
39 0.42 13838 0.25 3.03 7918 8605 9688 11578 13838 16334 18871 20565 21752
40 0.41 13803 0.25 3.01 7902 8586 9665 11550 13803 16297 18835 20534 21727
41 0.40 13761 0.25 2.99 7878 8561 9636 11514 13761 16250 18788 20490 21686
42 0.40 13711 0.25 2.96 7847 8527 9600 11471 13711 16193 18728 20431 21629
43 0.40 13652 0.25 2.94 7808 8487 9556 11422 13652 16127 18656 20357 21555
44 0.40 13587 0.25 2.92 7762 8440 9506 11365 13587 16051 18572 20268 21465
45 0.40 13514 0.25 2.90 7709 8386 9450 11302 13514 15966 18476 20167 21360
46 0.41 13436 0.25 2.88 7650 8326 9388 11235 13436 15875 18372 20054 21242
47 0.41 13355 0.25 2.86 7587 8263 9323 11164 13355 15780 18261 19934 21115
48 0.42 13272 0.25 2.84 7520 8196 9256 11091 13272 15682 18147 19808 20983
49 0.43 13188 0.25 2.82 7451 8128 9187 11018 13188 15583 18030 19680 20846
50 0.44 13103 0.25 2.80 7380 8058 9117 10943 13103 15483 17912 19550 20707
51 0.45 13018 0.25 2.78 7308 7987 9046 10869 13018 15382 17793 19418 20566
52 0.46 12933 0.25 2.76 7235 7915 8974 10793 12933 15281 17673 19285 20424
53 0.48 12845 0.25 2.74 7160 7841 8901 10716 12845 15177 17550 19148 20278
54 0.49 12755 0.25 2.72 7083 7766 8826 10637 12755 15070 17424 19009 20129
55 0.50 12661 0.25 2.70 7004 7688 8748 10554 12661 14959 17293 18863 19973
56 0.51 12562 0.25 2.68 6921 7606 8666 10468 12562 14842 17154 18710 19810
57 0.53 12457 0.25 2.66 6835 7521 8580 10375 12457 14717 17007 18548 19637
58 0.54 12344 0.25 2.64 6745 7432 8490 10277 12344 14584 16851 18376 19455
59 0.55 12224 0.25 2.62 6652 7338 8394 10173 12224 14442 16685 18194 19261
60 0.56 12096 0.25 2.60 6555 7241 8293 10062 12096 14291 16510 18001 19057
61 0.57 11961 0.25 2.58 6455 7140 8188 9946 11961 14133 16325 17800 18844
62 0.58 11821 0.25 2.56 6354 7036 8080 9825 11821 13967 16134 17591 18623
63 0.59 11676 0.25 2.53 6251 6931 7969 9701 11676 13797 15937 17377 18398
64 0.60 11527 0.25 2.51 6147 6824 7856 9573 11527 13622 15735 17158 18168
65 0.61 11374 0.25 2.49 6043 6717 7742 9443 11374 13443 15530 16936 17934
66 0.62 11218 0.25 2.47 5939 6608 7626 9310 11218 13260 15321 16711 17698
67 0.62 11060 0.25 2.45 5835 6500 7509 9176 11060 13075 15109 16483 17459
68 0.63 10900 0.25 2.43 5731 6391 7391 9039 10900 12887 14895 16252 17218
69 0.63 10737 0.25 2.41 5627 6281 7272 8901 10737 12697 14679 16020 16976
70 0.63 10572 0.25 2.39 5523 6172 7152 8762 10573 12505 14460 15786 16731
71 0.64 10406 0.25 2.37 5419 6062 7031 8621 10406 12311 14240 15549 16485
72 0.64 10238 0.25 2.35 5316 5952 6910 8479 10238 12115 14017 15311 16236
73 0.64 10068 0.25 2.33 5212 5841 6788 8335 10068 11916 13792 15070 15986
74 0.64 9895 0.25 2.31 5108 5730 6665 8190 9895 11715 13564 14826 15732
75 0.64 9720 0.25 2.29 5003 5617 6540 8042 9720 11510 13332 14578 15474
76 0.64 9542 0.26 2.27 4897 5504 6413 7892 9542 11302 13097 14327 15212
77 0.64 9361 0.26 2.25 4791 5389 6285 7740 9361 11091 12857 14070 14945
78 0.64 9176 0.26 2.23 4683 5273 6155 7585 9176 10875 12613 13809 14673
79 0.64 8989 0.26 2.21 4574 5155 6023 7427 8989 10656 12364 13543 14396
80+ 0.64 8799 0.26 2.19 4465 5036 5890 7268 8799 10434 12112 13273 14115 Abbreviations: ν, skewness; μ, location (median); σ, log scale (standard deviation); τ, log kurtosis (degrees of freedom).
Table S5: GAMLSS Parameters (μ, σ, ν, τ) and Percentiles for MIMS-unit Activity in U.S. Adult Females Ages 20+ (n = 4,525).
Percentiles
Age ν μ σ τ 3 5 10 25 50 75 90 95 97
20 0.46 14034 0.22 2.46 8377 9085 10164 11966 14034 16282 18591 20172 21306
21 0.46 14090 0.22 2.46 8396 9109 10196 12010 14090 16350 18670 20258 21397
22 0.46 14147 0.22 2.46 8415 9134 10229 12054 14147 16420 18752 20347 21491
23 0.47 14207 0.22 2.46 8435 9159 10262 12101 14207 16494 18838 20441 21590
24 0.47 14270 0.22 2.46 8456 9186 10297 12149 14270 16570 18927 20538 21693
25 0.48 14333 0.22 2.46 8477 9213 10333 12199 14333 16648 19018 20638 21798
26 0.48 14397 0.22 2.45 8497 9239 10368 12248 14397 16726 19109 20738 21904
27 0.49 14459 0.22 2.45 8516 9264 10402 12295 14459 16802 19199 20836 22009
28 0.49 14519 0.22 2.45 8534 9287 10434 12341 14519 16876 19286 20931 22109
29 0.50 14574 0.22 2.45 8549 9308 10463 12383 14574 16945 19367 21020 22203
30 0.50 14625 0.23 2.45 8561 9326 10489 12421 14625 17008 19442 21101 22289
31 0.51 14670 0.23 2.45 8570 9340 10511 12454 14670 17064 19508 21173 22365
32 0.51 14709 0.23 2.45 8577 9352 10529 12483 14709 17113 19565 21235 22430
33 0.52 14741 0.23 2.45 8582 9360 10543 12505 14741 17153 19612 21286 22483
34 0.52 14766 0.23 2.46 8583 9364 10552 12522 14766 17184 19648 21324 22521
35 0.53 14781 0.23 2.46 8580 9365 10556 12532 14781 17205 19671 21347 22544
36 0.53 14788 0.23 2.47 8574 9360 10554 12534 14788 17214 19680 21354 22549
37 0.54 14783 0.23 2.47 8564 9350 10546 12528 14783 17210 19674 21344 22535
38 0.54 14768 0.23 2.48 8549 9335 10530 12513 14768 17192 19651 21316 22501
39 0.55 14741 0.23 2.50 8529 9314 10508 12489 14741 17161 19612 21269 22448
40 0.55 14705 0.23 2.51 8506 9289 10480 12457 14705 17119 19560 21208 22378
41 0.56 14664 0.23 2.52 8480 9261 10449 12421 14664 17070 19499 21136 22298
42 0.56 14619 0.23 2.54 8454 9232 10416 12382 14619 17016 19433 21058 22210
43 0.57 14571 0.23 2.56 8427 9202 10381 12341 14571 16959 19362 20976 22117
44 0.57 14522 0.23 2.58 8400 9171 10345 12299 14522 16901 19291 20891 22022
45 0.58 14472 0.23 2.60 8371 9138 10308 12255 14472 16842 19219 20807 21927
46 0.58 14421 0.23 2.63 8342 9105 10270 12211 14421 16784 19147 20723 21832
47 0.59 14371 0.23 2.66 8312 9072 10231 12166 14371 16725 19076 20640 21739
48 0.59 14320 0.23 2.69 8281 9037 10191 12121 14320 16668 19007 20559 21647
49 0.60 14268 0.23 2.72 8248 9000 10150 12074 14269 16609 18937 20477 21555
50 0.60 14214 0.23 2.75 8212 8960 10105 12024 14214 16549 18865 20394 21462
51 0.61 14157 0.23 2.79 8173 8916 10057 11970 14157 16486 18791 20309 21367
52 0.61 14097 0.23 2.83 8130 8869 10005 11914 14097 16421 18717 20224 21272
53 0.61 14038 0.23 2.87 8084 8820 9951 11857 14038 16358 18644 20142 21180
54 0.62 13979 0.23 2.92 8035 8767 9896 11798 13979 16297 18577 20065 21096
55 0.62 13920 0.24 2.96 7982 8712 9838 11739 13920 16238 18513 19994 21017
56 0.63 13862 0.24 3.01 7926 8654 9777 11678 13862 16181 18453 19928 20944
57 0.63 13803 0.24 3.06 7866 8591 9713 11615 13803 16125 18394 19864 20875
58 0.64 13738 0.24 3.12 7799 8523 9643 11547 13738 16064 18332 19797 20803
59 0.64 13664 0.24 3.17 7724 8445 9565 11469 13664 15993 18260 19721 20721
60 0.65 13577 0.24 3.23 7638 8357 9474 11379 13577 15908 18172 19627 20622
61 0.65 13473 0.25 3.29 7541 8257 9371 11274 13473 15804 18064 19513 20501
62 0.66 13352 0.25 3.36 7432 8144 9255 11155 13352 15681 17935 19377 20358
63 0.66 13213 0.25 3.42 7311 8019 9125 11019 13213 15537 17783 19216 20189
64 0.67 13056 0.25 3.49 7179 7882 8981 10868 13056 15373 17608 19031 19995
65 0.67 12883 0.26 3.56 7036 7734 8826 10703 12883 15191 17412 18824 19779
66 0.68 12695 0.26 3.63 6884 7576 8659 10526 12695 14992 17198 18597 19543
67 0.68 12496 0.26 3.71 6725 7409 8484 10339 12496 14779 16969 18355 19290
68 0.69 12289 0.26 3.78 6559 7237 8303 10144 12289 14557 16730 18103 19027
69 0.69 12076 0.27 3.86 6389 7061 8117 9946 12076 14330 16486 17845 18759
70 0.70 11861 0.27 3.94 6216 6881 7929 9744 11861 14100 16239 17585 18490
71 0.70 11644 0.27 4.01 6041 6700 7738 9540 11644 13868 15991 17324 18219
72 0.71 11426 0.28 4.09 5864 6516 7546 9335 11426 13635 15742 17063 17948
73 0.71 11206 0.28 4.17 5684 6330 7352 9128 11206 13401 15491 16800 17677
74 0.72 10981 0.29 4.25 5501 6141 7154 8918 10981 13162 15235 16533 17401
75 0.72 10752 0.29 4.33 5315 5949 6953 8703 10752 12916 14973 16258 17117
76 0.73 10516 0.29 4.41 5126 5754 6748 8483 10516 12663 14701 15973 16822
77 0.73 10272 0.30 4.49 4934 5555 6539 8257 10272 12400 14419 15677 16517
78 0.74 10022 0.30 4.57 4740 5352 6325 8027 10022 12129 14126 15369 16198
79 0.74 9765 0.31 4.65 4544 5148 6109 7791 9765 11848 13822 15050 15867
80+ 0.75 9503 0.31 4.73 4348 4944 5892 7553 9503 11561 13509 14720 15526 Abbreviations: ν, skewness; μ, location (median); σ, log scale (standard deviation); τ, log kurtosis (degrees of freedom).
