Code Sheet for the Variables in the Low Birth Weight Study
Described in Section 1.6.2 Page 24
VariableDescriptionCodes/ValuesName
1Identification CodeID NumberID
2Low Birth Weight1 = BWT<=2500g,LOW
0 = BWT>2500g
3Age of MotherYearsAGE
4Weight of Mother at PoundsLWT
Last Menstrual Period
5Race1 = White, 2 = Black RACE
3 = Other
6Smoking Status 0 = No, 1 = YesSMOKE
During Pregnancy
7History of Premature Labor0 = None, 1 = One, PTL
2 = Two, etc.
8History of Hypertension0 = No, 1 = YesHT
9Presence of Uterine 0 = No, 1 = YesUI
Irritability 10Number of Physician Visits 0 = None, 1 = One FTV
During the First Trimester 2 = Two,etc.
11Birth WeightGramsBWT