question: how many hours did the total five-year-olds wore the accelerometer on valid days?
table.cells: characteristic total boys girls
table.cells: estimate 95% confidence interval estimate 95% confidence interval estimate 95% confidence interval
table.cells: from to from to from to
table.cells: wear time 12.4 12.1 12.7 12.6 12.2 13.0 12.2 11.8 12.5
table.cells: sedentary time 458 444 472 463 447 478 453 434 472
table.cells: light physical activity 211 202 219 213 202 223 208 196 221
table.cells: moderate-to-vigorous physical activity 75 70 80 81 77 85 68 62 74
table.cells: total physical activity 287 276 298 295 282 308 278 261 294
table.cells: total counts per day 292,597 275,272 309,922 313,668 296,800 330,536 269,777 246,713 292,842
table.cells: average screen time 2.2 1.8 2.6 2.1 1.7 2.6 2.3 1.6 3.1
table.cells: height 113.0 111.6 114.8 112.8 110.7 115.6 113.3 111.7 115.4
table.cells: weight 21.0 20.0 22.2 21.2 20.1 22.8 20.6 19.5 22.1
table.cells: body mass index 16.3 15.9 16.9 16.6 16.1 17.3 15.9 15.4 16.7
table.cells: household income
table.cells: $0 to $39,999 19.2 12.0 26.5 23.8 13.5 34.0 f .. ..
table.cells: $40,000 to $79,999 32.7 21.1 44.3 32.4 19.4 45.4 33.0 16.0 50.1
table.cells: $80,000 or more 48.0 38.9 57.2 43.8 32.5 55.1 52.6 41.8 63.4
table.cells: highest level of education in household
table.cells: secondary graduation or less 10.8 5.6 16.0 14.9 7.3 22.5 f .. ..
table.cells: at least some postsecondary, less than bachelor's degree 40.8 30.6 50.9 31.6 19.3 43.9 50.7 36.2 65.2
table.cells: bachelor's degree 29.2 20.6 37.8 31.2 16.8 45.6 27.0 20.5 33.6
table.cells: university degree or certificate above bachelor's degree 17.7 8.7 26.8 22.0 11.2 32.7 f .. ..
table.cells: body mass index category
table.cells: healthy weight 68.7 58.9 78.5 67.4 54.4 80.4 70.1 59.4 80.8
table.cells: overweight or obese 31.3 21.5 41.1 32.6 19.6 45.6 29.9 19.2 40.6
table.cells: single-child household
table.cells: yes 18.4 10.8 26.1 12.9 5.6 20.2 24.4 11.2 37.6
table.cells: mother's age at birth of child
table.cells: younger than 30 38.1 26.7 49.4 45.7 34.5 56.8 29.8 15.0 44.6
table.cells: 30 to 34 29.2 22.0 36.5 25.4 16.9 33.9 33.4 20.1 46.7
table.cells: 35 or older 30.4 19.7 41.1 24.5 11.8 37.2 36.8 22.0 51.5