------------------------------------------------------------------------------------ log: \\Cronus\www\teaching\postreg\ExamF2007lin_codebook.txt log type: text opened on: 13 Jun 2008, 08:56:27 (Data on 1000 sibs, course 1052/2 exam) file ExamF2007lin.dta saved ------------------------------------------------------------------------------------ weight1 weight in grams, first child ------------------------------------------------------------------------------------ type: numeric (int) range: [825,5350] units: 1 unique values: 249 missing .: 0/1000 mean: 3477.15 std. dev: 517 percentiles: 10% 25% 50% 75% 90% 2870 3137.5 3500 3800 4120 ------------------------------------------------------------------------------------ sex1 gender, first child ------------------------------------------------------------------------------------ type: numeric (byte) label: sex range: [1,2] units: 1 unique values: 2 missing .: 0/1000 tabulation: Freq. Numeric Label 518 1 boy 482 2 girl ------------------------------------------------------------------------------------ sex2 gender, second child ------------------------------------------------------------------------------------ type: numeric (byte) label: sex range: [1,2] units: 1 unique values: 2 missing .: 0/1000 tabulation: Freq. Numeric Label 534 1 boy 466 2 girl ------------------------------------------------------------------------------------ gestage2 gestational age in weeks, second child ------------------------------------------------------------------------------------ type: numeric (byte) range: [31,44] units: 1 unique values: 14 missing .: 0/1000 mean: 39.827 std. dev: 1.4904 percentiles: 10% 25% 50% 75% 90% 38 39 40 41 42 ------------------------------------------------------------------------------------ weight2 weight in grams, second child ------------------------------------------------------------------------------------ type: numeric (int) range: [1980,5500] units: 1 unique values: 278 missing .: 0/1000 mean: 3677.85 std. dev: 507.688 percentiles: 10% 25% 50% 75% 90% 3050 3350 3700 4000 4320 ------------------------------------------------------------------------------------ weight1_dev deviation from expected birth weight in grams, first child ------------------------------------------------------------------------------------ type: numeric (float) range: [-1246.6809,1829.7651] units: 1.000e-07 unique values: 646 missing .: 0/1000 mean: -27.2375 std. dev: 426.725 percentiles: 10% 25% 50% 75% 90% -559.744 -320.235 -29.1345 235.315 510.806 ------------------------------------------------------------------------------------ weight1_10 decile of the deviation from birth weight, first child ------------------------------------------------------------------------------------ type: numeric (byte) range: [1,10] units: 1 unique values: 10 missing .: 0/1000 mean: 5.31 std. dev: 2.8277 percentiles: 10% 25% 50% 75% 90% 1 3 5 8 9 ------------------------------------------------------------------------------------ id Unique personal identifier ------------------------------------------------------------------------------------ type: numeric (float) range: [1,1000] units: 1 unique values: 1000 missing .: 0/1000 mean: 500.5 std. dev: 288.819 percentiles: 10% 25% 50% 75% 90% 100.5 250.5 500.5 750.5 900.5 log: \\Cronus\www\teaching\postreg\ExamF2007lin_codebook.txt log type: text closed on: 13 Jun 2008, 08:56:28 ------------------------------------------------------------------------------------