All passes

All passes

Mean Kappa (SD) = 0.85 (0.06) Mean accuracy (SD) = 92.9 (2.9) % Mean Kappa (95% CI) = 0.85 (0.83 - 0.87) Mean accuracy (95% CI) = 92.9 (92.0 - 93.8) % Rater A vs Rater B

Mean Kappa (SD) = 0.84 (0.07) Mean accuracy (SD) = 92.6 (3.1) %

Rater A

Computer Day care Eating/DrinGaming coGrey space Grey space

Rater B Computer use 1258 0 0 0 0 0

Day care 0 2161 0 0 0 0

Eating/Drinking 0 0 2350 0 0 0

Gaming console use 0 0 0 70 0 0

Grey space playground 0 0 0 0 679 262

Grey space street 0 0 0 0 0 3025

Handicraft 0 0 0 0 0 0

Home 0 0 0 0 0 0

Household chores 0 0 53 0 0 0

Image blurred/camera off 0 0 0 0 0 0

Ipod/MP3 Player use 0 0 0 0 0 0

Mobile phone use 0 0 0 0 0 0

Nature 0 0 0 0 0 0 Not annotated 13 5 33 0 0 15 Other indoor 0 0 0 0 0 0 Other outdoor 0 0 0 0 0 0 Other screen 0 0 0 0 0 0 Personal care 0 0 0 0 0 0 Playing music 0 0 0 0 0 0 Playing quietly 0 0 0 0 0 0 Reading 0 0 0 0 0 0 Relaxing/sitting/talking 0 0 1 0 0 0 School 0 0 0 0 0 0 Shops 0 0 0 0 0 0 Spiritual 0 0 0 0 0 0 Sport facility 0 0 0 0 0 0 TV watching 0 0 0 0 0 0 Tablet use 0 0 0 0 0 0

Urban green space 0 0 0 0 0 232

Writing 0 0 0 0 0 0

Mean Kappa (SD) = 0.86 (0.06) Mean accuracy (SD) = 93.3 (3.2) % Mean Kappa (95% CI) = 0.86 (0.83 - 0.89) Mean accuracy (95% CI) = 93.3 (91.6 - 94.9) %

Rater C

Computer Day care Eating/DrinGaming coGrey space Grey space

Rater A Computer use 1169 0 0 0 0 0

Day care 0 2696 0 0 0 0

Eating/Drinking 0 0 2502 0 0 0

Gaming console use 0 0 0 34 0 0

Grey space playground 0 0 0 0 883 67

Grey space street 0 0 0 0 19 3470

Handicraft 0 0 0 0 0 0

Home 0 0 0 0 0 0

Household chores 0 0 45 0 0 0

Image blurred/camera off 0 0 0 0 0 0

Ipod/MP3 Player use 0 0 0 0 0 0

Mobile phone use 0 0 0 0 0 0

Nature 0 0 0 0 0 0 Not annotated 19 5 176 0 6 25 Other indoor 0 0 0 0 0 0 Other outdoor 0 0 0 0 0 4 Other screen 0 0 0 0 0 0 Personal care 0 0 0 0 0 0 Playing music 0 0 0 0 0 0 Playing quietly 0 0 15 0 0 0 Reading 0 0 0 0 0 0 Relaxing/sitting/talking 0 0 7 0 0 0 School 0 0 0 0 0 0 Shops 0 0 0 0 0 0 Spiritual 0 0 0 0 0 0 Sport facility 0 0 0 0 0 0 TV watching 0 0 0 0 0 0 Tablet use 0 0 0 0 0 0

Urban green space 0 0 0 0 405 197

Writing 0 0 11 0 0 0

Rater B vs Rater C

Mean Kappa (SD) = 0.85 (0.05) Mean accuracy (SD) = 92.9 (2.6) % Mean Kappa (95% CI) = 0.85 (0.82 - 0.88) Mean accuracy (95% CI) = 92.9 (91.6 - 94.3) %

Computer Day care Eating/DrinGaming coGrey space Grey space

Rater B Computer use 1168 0 0 0 0 0

Day care 0 2161 0 0 0 0

Eating/Drinking 0 0 2274 0 0 0

Gaming console use 0 0 0 34 0 0

Grey space playground 0 0 0 0 679 0

Grey space street 0 0 0 0 205 3040

Handicraft 0 0 25 0 0 0

Home 0 540 0 0 0 0

Household chores 0 0 0 0 0 0

Image blurred/camera off 0 0 0 0 0 0

Ipod/MP3 Player use 0 0 0 0 0 0

Mobile phone use 0 0 0 0 0 0

Nature 0 0 0 0 0 15 Not annotated 20 0 282 0 24 356 Other indoor 0 0 0 0 0 0 Other outdoor 0 0 0 0 0 144 Other screen 0 0 0 0 0 0 Personal care 0 0 0 0 0 0 Playing music 0 0 0 0 0 0 Playing quietly 0 0 0 0 0 0 Reading 0 0 1 0 0 0 Relaxing/sitting/talking 0 0 148 0 0 0 School 0 0 0 0 0 0 Shops 0 0 0 0 0 0 Spiritual 0 0 16 0 0 0 Sport facility 0 0 0 0 0 0 TV watching 0 0 0 0 0 0 Tablet use 0 0 0 0 0 0

Urban green space 0 0 0 0 405 208

Handicraft Home Household Image blurIpod/MP3 Mobile pho Nature Not annotaOther indo 0 0 0 0 0 0 0 9 0 0 540 0 0 0 0 0 0 14 48 0 26 0 0 0 0 497 0 0 0 0 0 0 0 0 5 0 0 0 0 0 0 0 0 9 0 0 0 0 0 0 0 190 411 0 937 0 0 0 0 0 0 244 0 0 17120 0 0 0 0 0 27 0 0 0 769 0 0 0 0 91 0 0 0 0 4994 0 0 0 1035 0 0 0 0 0 56 0 0 220 0 0 0 0 0 0 1355 0 134 0 0 0 0 0 0 0 733 0 0 355 399 154 233 3 135 0 143388 360 0 843 0 0 0 0 0 0 731 0 0 0 0 0 0 0 362 0 0 0 0 0 0 0 0 157 0 0 0 31 0 0 0 0 212 0 0 0 0 0 0 0 0 6 0 154 0 8 0 0 0 0 249 0 88 0 8 0 0 0 0 132 0 41 0 5 0 0 0 0 1384 0 0 0 0 0 0 0 0 1 527 0 0 0 0 0 0 0 0 17 0 0 0 0 0 0 0 322 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 145 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 129 6 0 203 0 15 0 0 0 0 132 0

Handicraft Home Household Image blurIpod/MP3 Mobile pho Nature Not annotaOther indo 0 0 0 0 0 0 0 98 0 0 0 0 0 0 0 0 5 0 1 0 38 0 0 0 0 404 0 0 0 0 0 0 0 0 8 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 114 338 0 1724 0 0 0 0 0 0 38 0 0 17016 0 0 0 0 0 131 0 0 0 766 0 0 0 0 71 0 0 0 0 5420 0 0 0 609 0 0 0 0 0 55 0 0 221 0 0 0 0 0 0 1429 0 99 0 0 0 0 0 0 0 733 0 0 256 254 107 573 0 207 0 142308 155 0 0 0 0 0 0 0 12 1562 0 0 0 0 0 0 0 352 0 0 0 0 0 0 0 0 245 0 0 0 0 0 0 0 0 151 0 0 0 0 0 0 0 0 32 0 4 0 0 0 0 0 0 214 0 31 0 8 0 0 0 0 111 0 45 0 15 0 0 0 0 1104 0 0 0 0 0 0 0 0 8 614 0 0 0 0 0 0 0 36 0 0 0 0 0 0 0 0 322 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 87 0 0 0 0 0 0 0 0 176 0 0 0 0 0 0 0 133 124 0 182 0 2 0 0 0 0 129 0

Handicraft Home Household Image blurIpod/MP3 Mobile pho Nature Not annotaOther indo 0 0 0 0 0 0 0 103 0 0 0 0 0 0 0 0 5 0 0 0 6 0 0 0 0 42 0 0 0 0 0 0 0 0 3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 222 0 1301 0 0 0 0 0 0 85 0 0 17108 0 0 0 0 0 417 837 0 0 812 0 0 0 0 129 0 0 0 0 4725 0 0 0 502 0 0 0 0 0 55 0 0 4 0 0 0 0 0 0 1414 0 76 0 0 0 0 0 0 0 976 61 0 256 162 91 1268 0 183 0 143992 0 0 0 0 0 0 0 0 196 1400 0 0 0 0 0 0 0 45 0 0 0 0 0 0 0 0 140 0 0 0 0 0 0 0 0 29 0 0 0 0 0 0 0 0 36 0 6 0 0 0 0 0 0 78 0 24 0 0 0 0 0 0 76 0 191 0 27 0 0 0 0 749 0 0 0 0 0 0 0 0 6 0 0 0 0 0 0 0 0 69 94 0 0 0 0 0 0 0 4 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 81 0 0 0 0 0 0 39 0 177 0 0 0 0 0 0 0 4 96 0 465 0 0 0 0 0 0 10 0

Other outdOther screPersonal cPlaying muPlaying qu Reading Relaxing/s School Shops 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 140 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 142 0 0 0 0 0 0 0 0 0 0 0 0 0 24 275 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8 0 13 17 138 111 1472 6 40 0 0 0 0 0 0 0 0 15 261 0 0 0 0 0 0 0 0 0 140 0 0 0 0 0 0 0 0 0 360 0 0 0 42 0 0 0 0 0 881 0 0 176 0 0 0 0 0 17 1222 22 34 0 0 0 0 0 62 3 3487 263 0 0 0 0 15 70 83 16 1566 0 0 0 0 0 0 0 0 0 433 93 0 0 0 0 0 0 0 0 1333 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 21 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 36 0 0 0 0 0 0 0 0 0 0 1 0 0 40 42 0 0

Other outdOther screPersonal cPlaying muPlaying qu Reading Relaxing/s School Shops 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 14 0 0 0 0 0 67 2 72 0 0 0 33 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 1 148 0 0 0 0 0 0 0 0 0 0 0 0 0 7 0 19 0 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 13 1 62 324 97 166 1803 5 46 0 0 0 0 0 0 0 0 15 268 0 0 0 0 0 0 0 0 0 52 0 0 0 0 0 0 0 0 0 459 0 0 0 31 0 0 0 0 0 1031 0 0 0 0 0 0 0 0 148 1193 46 86 0 0 0 0 0 217 0 3294 465 0 0 0 0 6 105 48 0 1851 0 0 0 0 0 0 0 0 0 432 0 0 0 0 0 0 0 0 0 1314 0 0 0 0 0 0 16 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 39 182 0 0

Other outdOther screPersonal cPlaying muPlaying qu Reading Relaxing/s School Shops 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 83 2 29 0 0 0 33 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 92 101 187 0 0 0 0 0 0 0 0 0 0 0 0 0 34 0 9 0 32 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 38 53 129 104 104 139 1430 0 23 0 0 0 0 0 0 0 19 34 245 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 355 0 0 0 0 0 0 0 0 0 979 0 28 4 0 0 0 0 0 130 1118 4 110 0 0 0 0 0 183 1 3043 331 0 0 0 0 15 429 19 95 2326 0 0 0 0 0 0 0 0 0 432 0 0 0 0 0 0 0 0 0 1318 0 0 0 0 0 0 61 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 136 149 0 0

Spiritual Sport facili TV watchinTablet use Urban gree Writing 0 0 0 0 0 0 0 0 0 0 0 0 14 0 0 0 0 11 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 175 0 0 0 0 0 0 465 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 39 0 0 0 0 0 0 0 0 52 9 2 1 1 46 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 112 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 15 0 0 0 0 0 0 763 0 0 0 0 0 0 748 0 0 0 0 0 0 358 0 0 0 0 0 0 1145 0 0 0 0 0 0 621

Spiritual Sport facili TV watchinTablet use Urban gree Writing 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 34 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 10 347 13 0 31 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 29 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 782 0 0 0 0 0 0 806 0 0 0 0 0 0 182 0 0 0 0 0 0 689 0 0 0 0 0 0 507

Spiritual Sport facili TV watchinTablet use Urban gree Writing 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 67 0 0 0 0 0 0 35 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 484 13 0 27 0 0 0 0 0 0 0 0 0 0 13 0 0 0 0 0 0 0 0 0 0 0 0 5 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 41 0 0 0 0 0 12 0 22 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 770 0 0 0 0 0 0 669 0 0 0 0 0 0 182 0 0 0 0 0 0 609 0 0 0 0 0 0 485

Uncodable

Mean Kappa (SD) = 0.73 (0.33) Mean accuracy (SD) = 96.7 (5.6) % Mean Kappa (95% CI) = 0.73 (0.63 - 0.83) Mean accuracy (95% CI) = 96.7 (95.0 - 98.4) % Rater A vs Rater B

Mean Kappa (SD) = 0.73 (0.4) Mean accuracy (SD) = 97.1 (6.6) % Mean Kappa (95% CI) = 0.73 (0.52 - 0.94) Mean accuracy (95% CI) = 97.1 (93.6 - 100.5) %

Rater A

Image blurred/camera o Not annotated

Rater B Image blurred/camera off 4994 1035

Not annotated 233 35389

Rater A vs Rater C

Mean Kappa (SD) = 0.74 (0.28) Mean accuracy (SD) = 97.2 (3.2) % Mean Kappa (95% CI) = 0.74 (0.6 - 0.89) Mean accuracy (95% CI) = 97.2 (95.5 - 98.8) %

Rater C

Image blurred/camera o Not annotated

Rater A Image blurred/camera off 5420 609

Not annotated 573 35049

Rater B vs Rater C

Mean Kappa (SD) = 0.71 (0.33) Mean accuracy (SD) = 95.9 (6.6) % Mean Kappa (95% CI) = 0.71 (0.53 - 0.88) Mean accuracy (95% CI) = 95.9 (92.4 - 99.3) %

Rater C

Image blurred/camera o Not annotated

Rater B Image blurred/camera off 4725 502

Sedentary Non Screen

Mean accuracy (SD) = 81.1 (7.9) % Mean Kappa (95% CI) = 0.69 (0.65 - 0.72) Mean accuracy (95% CI) = 81.1 (78.8 - 83.5) % Rater A vs Rater B

Mean Kappa (SD) = 0.66 (0.08) Mean accuracy (SD) = 79.9 (6.1) % Mean Kappa (95% CI) = 0.66 (0.61 - 0.7) Mean accuracy (95% CI) = 79.9 (76.7 - 83.0) %

Rater A Eating/Drinking Handicraft Rater B Eating/Drinking 2350 48 Handicraft 0 937 Household chores 53 0 Not annotated 33 355 Personal care 0 0 Playing music 0 0 Playing quietly 0 154 Reading 0 88 Relaxing/sitting/talking 1 41 Spiritual 0 0 Writing 0 203 Rater A vs Rater C Mean Kappa (SD) = 0.68 (0.12) Mean accuracy (SD) = 80.7 (8.9) % Mean Kappa (95% CI) = 0.68 (0.62 - 0.75) Mean accuracy (95% CI) = 80.7 (76.0 - 85.4) %

Rater C Eating/Drinking Handicraft Rater A Eating/Drinking 2502 1 Handicraft 0 1724 Household chores 45 0 Not annotated 176 256 Personal care 0 0 Playing music 0 0 Playing quietly 15 4 Reading 0 31 Relaxing/sitting/talking 7 45 Spiritual 0 0

Writing 11 182 Rater B vs Rater C

Mean Kappa (SD) = 0.72 (0.1) Mean accuracy (SD) = 82.9 (8.6) % Mean Kappa (95% CI) = 0.72 (0.66 - 0.77) Mean accuracy (95% CI) = 82.9 (78.4 - 87.4) %

Rater C Eating/Drinking Handicraft Rater B Eating/Drinking 2274 0 Handicraft 25 1301 Household chores 0 0 Not annotated 282 256 Personal care 0 0 Playing music 0 0 Playing quietly 0 6 Reading 1 24 Relaxing/sitting/talking 148 191 Spiritual 16 0 Writing 10 465

Household chores Not annotated Personal care Playing music 26 497 0 0 0 244 0 0 769 91 0 0 154 21174 13 17 31 212 360 0 0 6 0 881 8 249 0 17 8 132 0 62 5 1384 15 70 0 322 0 0 15 132 1 0

Household chores Not annotated Personal care Playing music

38 404 0 0 0 38 0 0 766 71 7 0 107 20543 62 324 0 151 459 0 0 32 0 1031 0 214 0 148 8 111 0 217 15 1104 6 105 0 322 0 0

2 129 0 0

Household chores Not annotated Personal care Playing music

6 42 1 0 0 85 0 0 812 129 34 0 91 21881 129 104 0 29 355 0 0 36 0 979 0 78 0 130 0 76 0 183 27 749 15 429 0 4 0 0 0 10 0 0

Playing quietly Reading Relaxing/sitting/talking Spiritual 0 0 140 14 0 24 275 0 0 0 0 0 138 111 1472 52 0 0 42 0 0 0 176 0 1222 22 34 0 3 3487 263 0 83 16 1566 0 0 0 1 15 0 40 42 0

Playing quietly Reading Relaxing/sitting/talking Spiritual

67 2 72 0 0 1 148 0 19 0 5 0 97 166 1803 0 0 0 31 0 0 0 0 0 1193 46 86 0 0 3294 465 0 48 0 1851 0 0 0 16 0

2 39 182 0

Playing quietly Reading Relaxing/sitting/talking Spiritual

83 2 29 0 92 101 187 0 9 0 32 0 104 139 1430 0 0 0 0 0 0 28 4 0 1118 4 110 0 1 3043 331 0 19 95 2326 0 0 0 61 0 0 136 149 0

Writing 11 465 0 46 0 0 0 112 0 0 621 Writing 0 34 0 31 4 0 0 29 0 0

507 Writing 0 35 0 27 5 0 0 41 12 0 485

Sedentary Screen

Mean Kappa (SD) = 0.82 (0.27) Mean accuracy (SD) = 97.7 (2.7) % Mean Kappa (95% CI) = 0.82 (0.68 - 0.96) Mean accuracy (95% CI) = 97.7 (96.3 - 99.2) %

Rater A

Computer use Gaming console use Ipod/MP3 Player use

Rater B Computer use 1258 0 0

Gaming console use 0 70 0

Ipod/MP3 Player use 0 0 56

Mobile phone use 0 0 0

Not annotated 13 0 3 Other screen 0 0 0 TV watching 0 0 0 Tablet use 0 0 0 Rater A vs Rater C Mean Kappa (SD) = 0.69 (0.32) Mean accuracy (SD) = 95.9 (5.0) % Mean Kappa (95% CI) = 0.69 (0.52 - 0.86) Mean accuracy (95% CI) = 95.9 (93.3 - 98.5) %

Rater C

Computer use Gaming console use Ipod/MP3 Player use

Rater A Computer use 1169 0 0

Gaming console use 0 34 0

Ipod/MP3 Player use 0 0 55

Mobile phone use 0 0 0

Not annotated 19 0 0 Other screen 0 0 0 TV watching 0 0 0 Tablet use 0 0 0 Rater B vs Rater C Mean Kappa (SD) = 0.65 (0.38) Mean accuracy (SD) = 96.2 (5.8) %

Mean Kappa (95% CI) = 0.65 (0.45 - 0.85) Mean accuracy (95% CI) = 96.2 (93.1 - 99.2) %

Rater C

Computer use Gaming console use Ipod/MP3 Player use

Rater B Computer use 1168 0 0

Gaming console use 0 34 0

Ipod/MP3 Player use 0 0 55

Mobile phone use 0 0 0

Not annotated 20 0 0

Other screen 0 0 0

TV watching 0 0 0

Mobile phone use Not annotated Other screen TV watching Tablet use 0 9 0 0 0 0 5 0 0 0 0 220 0 0 0 1355 134 0 0 39 135 36803 0 2 1 0 157 140 0 0 0 145 0 748 0 0 0 0 0 358

Mobile phone use Not annotated Other screen TV watching Tablet use

0 98 0 0 0 0 8 33 0 0 0 221 0 0 0 1429 99 0 0 0 207 36370 1 347 13 0 245 52 0 0 0 87 0 806 0 0 176 0 0 182

Mobile phone use Not annotated Other screen TV watching Tablet use 0 103 0 0 0 0 3 33 0 0 0 4 0 0 0 1414 76 0 0 0 183 36720 53 484 13 0 140 0 0 0 0 81 0 669 0 39 177 0 0 182

Location

Mean Kappa (SD) = 0.91 (0.09) Mean accuracy (SD) = 95.1 (5.1) % Mean Kappa (95% CI) = 0.91 (0.88 - 0.93) Mean accuracy (95% CI) = 95.1 (93.5 - 96.6) % Rater A vs Rater B

Mean Kappa (SD) = 0.89 (0.12) Mean accuracy (SD) = 94.0 (6.7) % Mean Kappa (95% CI) = 0.89 (0.83 - 0.95) Mean accuracy (95% CI) = 94.0 (90.5 - 97.6) %

Rater A

Day care Grey space playground

Rater B Day care 2161 0

Grey space playground 0 679

Grey space street 0 0

Home 0 0 Nature 0 0 Not annotated 5 0 Other indoor 0 0 Other outdoor 0 0 School 0 0 Shops 0 0 Sport facility 0 0

Urban green space 0 0

Rater A vs Rater C

Mean Kappa (SD) = 0.93 (0.07) Mean accuracy (SD) = 96.3 (3.9) % Mean Kappa (95% CI) = 0.93 (0.89 - 0.97) Mean accuracy (95% CI) = 96.3 (94.3 - 98.3) %

Rater C

Day care Grey space playground

Rater A Day care 2696 0

Grey space playground 0 883

Grey space street 0 19

Home 0 0 Nature 0 0 Not annotated 5 6 Other indoor 0 0 Other outdoor 0 0 School 0 0 Shops 0 0

Sport facility 0 0

Urban green space 0 405

Rater B vs Rater C

Mean Kappa (SD) = 0.9 (0.08) Mean accuracy (SD) = 94.8 (4.5) % Mean Kappa (95% CI) = 0.9 (0.86 - 0.94) Mean accuracy (95% CI) = 94.8 (92.5 - 97.2) %

Rater C

Day care Grey space playground

Rater B Day care 2161 0

Grey space playground 0 679

Grey space street 0 205

Home 540 0 Nature 0 0 Not annotated 0 24 Other indoor 0 0 Other outdoor 0 0 School 0 0 Shops 0 0 Sport facility 0 0

Grey space street Home Nature 0 540 0 262 0 0 3025 0 190 0 17120 0 0 0 733 15 399 0 0 843 0 0 0 0 0 0 0 0 0 0 0 0 0 232 0 129

Grey space street Home Nature

0 0 0 67 0 0 3470 0 114 0 17016 0 0 0 733 25 254 0 0 0 0 4 0 0 0 0 0 0 0 0

0 0 0

197 0 133

Grey space street Home Nature

0 0 0 0 0 0 3040 0 0 0 17108 0 15 0 976 356 162 0 0 0 0 144 0 0 0 0 0 0 0 0 0 0 0 208 0 4

Not annotated Other indoor Other outdoor 0 14 0 9 0 0 411 0 142 27 0 0 0 0 0 50022 360 8 0 731 0 362 0 261 1 527 0 0 17 0 0 0 0 6 0 36

Not annotated Other indoor Other outdoor

5 0 0 0 0 0 338 0 2 131 0 0 0 0 0 50346 155 13 12 1562 0 352 0 268 8 614 0 36 0 0

2 0 0

124 0 0

Not annotated Other indoor Other outdoor

5 0 0 0 0 0 222 0 0 417 837 0 61 0 0 50235 0 38 196 1400 0 45 0 245 6 0 0 69 94 0 2 0 0 96 0 0

School Shops Sport facility 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6 40 9 0 15 0 0 0 0 433 93 0 0 1333 0 21 0 763 0 0 0

School Shops Sport facility

14 0 0 0 0 0 0 0 0 0 0 0 0 0 0 5 46 10 0 15 0 0 0 0 432 0 0 0 1314 0

0 0 782

0 0 0

School Shops Sport facility

0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 23 0 19 34 0 0 0 0 432 0 22 0 1318 0 0 0 770 0 0 0

Urban green space 0 0 175 0 0 1 0 1 0 0 0 1145

Urban green space

0 0 0 0 0 0 0 0 0 0

0 689

Urban green space

0 0 67 0 0 0 0 13 0 0 0 609