
Description of Variables in the Benign Breast Disease 1-3 Matched Case-Control Study Described in
 Section 7.5 page 244.

Variable	Description			Codes/Values		Name
1		Stratum				1 - 50			STR
2		Observation within Stratum	1 = Case,		OBS
						2 - 4 = Control 
3		Age at Interview		Years			AGMT
4		Final Diagnosis 		1 = Case, 0 = Control	FNDX
5		Highest Grade in School		5 - 20			HIGD
6		Degree				0 = None		DEG
						1 = High School
						2 = Jr. College
						3 = College
						4 = Masters
						5 = Doctoral
7		Regular Medical Check-ups	1 = Yes, 2 = No		CHK
8		Age at First Pregnancy		Years			AGP1
9		Age at Menarche			Years			AGMN
10		No. of Stillbirths, 		0 - 7			NLV
		Miscarriages etc. 
11		Number of Live Births		0 - 11			LIV
12		Weight of the Subject 		Pounds			WT
		At Interview
13		Age at Last Menstrual Period	Years			AGLP
14		Marital Status			1 = Married		MST
						2 = Divorced
						3 = Separated
						4 = Widowed
						5 = Never Married

