------------------------------------------------------------------------------------ log: \\Cronus\www\teaching\postreg\ExamF2006_codebook.txt log type: text opened on: 13 Jun 2008, 08:56:27 file ExamF2006.dta saved ------------------------------------------------------------------------------------ age Age (years) ------------------------------------------------------------------------------------ type: numeric (byte) range: [19,83] units: 1 unique values: 60 missing .: 0/273 mean: 48.5458 std. dev: 14.0931 percentiles: 10% 25% 50% 75% 90% 32 38 46 59 70 ------------------------------------------------------------------------------------ bmi BMI kg/m^2 ------------------------------------------------------------------------------------ type: numeric (float) range: [16.33114,50.40333] units: .00001 unique values: 225 missing .: 0/273 mean: 26.1398 std. dev: 6.25404 percentiles: 10% 25% 50% 75% 90% 20.1613 21.5278 24.2613 28.757 34.97 ------------------------------------------------------------------------------------ vituse Vitamin Use ------------------------------------------------------------------------------------ type: numeric (byte) label: Vitamin range: [1,3] units: 1 unique values: 3 missing .: 0/273 tabulation: Freq. Numeric Label 109 1 Yes, daily 77 2 Yes, not daily 87 3 No ------------------------------------------------------------------------------------ betadiet Dietary beta-carotene consumed (mcg per day). ------------------------------------------------------------------------------------ type: numeric (int) range: [214,9642] units: 1 unique values: 264 missing .: 0/273 mean: 2183.38 std. dev: 1527.9 percentiles: 10% 25% 50% 75% 90% 728 1086 1734 2781 4271 ------------------------------------------------------------------------------------ betaplasma Plasma beta-carotene (ng/ml) ------------------------------------------------------------------------------------ type: numeric (int) range: [0,1415] units: 1 unique values: 194 missing .: 0/273 mean: 196.234 std. dev: 188.858 percentiles: 10% 25% 50% 75% 90% 66 95 144 231 372 ------------------------------------------------------------------------------------ id unique identifier ------------------------------------------------------------------------------------ type: numeric (float) range: [1,273] units: 1 unique values: 273 missing .: 0/273 mean: 137 std. dev: 78.9525 percentiles: 10% 25% 50% 75% 90% 28 69 137 205 246 log: \\Cronus\www\teaching\postreg\ExamF2006_codebook.txt log type: text closed on: 13 Jun 2008, 08:56:27 ------------------------------------------------------------------------------------