
Code Sheet for the Variables in the Longitudinal Low Birth Weight Study
Described in Section 8.3 

Variable	Description		Codes/Values		Name
1	Identification Code		ID Number		ID
2	Birth Number			1-4			BIRTH
3	Smoking Status 			0 = No, 1 = Yes		SMOKE
	During Pregnancy
4	Race				1 = White, 2 = Black 	RACE
					3  = Other
5	Age of Mother			Years			AGE
6	Weight of Mother at 		Pounds			LWT
	Last Menstrual Period

7	Birth Weight			Grams			BWT
8	Low Birth Weight		1 = BWT <=2500g,	LOW
					0 = BWT >2500g
