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. Author manuscript; available in PMC: 2009 Nov 1.
Published in final edited form as: Ophthalmology. 2008 Sep 11;115(11):2071–2078. doi: 10.1016/j.ophtha.2008.06.031

Table 2. Classification of activities recorded on the calendars as “near” and “distance” in both treatment groups.

Distance Activities Group Near Activities Group

Number of times reported Total time spent (hours) Number of times reported Total time spent (hours)
Near activities
 Arts & crafts 414 276 6615 5471
 Blocks/marbles/dominoes 153 88 1605 1111
 Board games/puzzles/card games 387 242 3909 3038
 Cars up close 28 23 230 158
 Computer/video game 802 650 6760 7064
 Counting up close 16 9 45 19
 Dolls/action figures up close 18 13 164 123
 Homework 402 394 1986 1452
 Lite Brite 3 2 81 70
 Playing with toys up close 39 21 442 288
 Sorting/stringing beads 3 2 233 167
 Stacking coins 3 2 17 8
 Tying shoes 1 1 7 4
 Writing/reading/activity books 306 197 5802 4069
Total 2575 1920 27899 23044
Distance activities
 Active/physical games 3900 3373 422 292
 Cars at a distance 1 1 1 1
 Chores 2147 1339 386 181
 Counting at distance 199 150 9 6
 Dolls/action figures at a distance 2 2 0 0
 Dressing 556 148 67 16
 Errands/car rides 3979 4111 206 136
 General indoor play 1002 938 80 68
 General outdoor play 2361 2626 114 97
 Indoor events / locations 468 728 64 81
 Listening/singing 800 415 203 89
 Make-believe games 580 496 153 108
 Outdoor events/locations 727 1096 22 23
 Playing 1018 922 308 226
 Playing ball 957 733 126 77
 Playing with toy at a distance 43 52 1 0
 Remote control toys 49 23 3 2
 Riding bike 863 622 107 70
 Television 9111 9886 1669 1268
 Visiting/playing with friends/family 962 902 126 89
Total 29725 28562 4068 2829
Uncertain
 Cars 234 128 578 396
 Counting 114 75 80 40
 Dolls/action figures 364 270 1320 1025
 Eating 4767 2312 2248 961
 Flying kite 13 10 2 2
 Grooming 649 247 161 58
 Making food 417 211 315 180
 Picking fruit 102 67 52 38
 Playing pool 32 22 40 26
 Playing with toys 713 589 1094 824
 Spelling 2 2 19 9
Total 7407 3933 5909 3558