
Code Sheet for the Variables in the 1-1matched Low Birth Weight Study
Described in Section 7.3 Page 230

Variable	Description			Codes/Values		Name
1		Pair				1 -50 			PAIR
2		Low Birth Weight		1 = BWT<=2500g,		LOW
						0 = BWT>2500g
3		Age of Mother 			Years			AGE
4		Weight of Mother at 		Pounds			LWT
		Last Menstrual Period
5		Race				1 = White, 2 = Black 	RACE
						3  = Other
6		Smoking Status 			0 = No, 1 = Yes		SMOKE
		During Pregnancy
7		History of Premature Labor	0 = None, 	 	PTD
						1 = Yes
8		History of Hypertension		0 = No, 1 = Yes		HT
9		Presence of Uterine 		0 = No, 1 = Yes		UI
		Irritability 
