Variable Name	Variable Description	N	Root Caries/Yes	Root Caries/No	P value
BPQ090D	Told to take prescription for cholesterol	3,828	592	3,236	<.001
DEQ034D	Use sunscreen?	3,397	439	2,958	<.001
DMDEDUC2	Education Level - Adults 20+	4,873	789	4,084	<.001
DMDMARTL	Marital Status	4,874	790	4,084	<.001
INDHHIN2	Annual Household Income	4,801	732	4,069	<.001
OHQ030	When did you last visit a dentist	5,122	789	4,333	<.001
OHQ620	How often last year had aching in mouth?	3,962	731	3,231	<.001
OHQ680	Last year embarrassed because of mouth	3,966	731	3,235	<.001
OHQ845	Rate the health of your teeth and gums	5,133	791	4,342	<.001
OHQ870	How many days use dental floss/device	3,962	730	3,232	<.001
PAQ710	Hours watch TV or videos past 30 days	5,124	788	4,336	<.001
PAQ715	Hours use computer past 30 days	5,133	789	4,344	<.001
RIDAGEYR	Age in years at screening	5,135	791	4,344	<.001
RIDRETH1	Race/Ethnicity - Recode	5,135	791	4,344	<.001
SMQ020	Smoked at least 100 cigarettes in life	5,128	789	4,339	<.001
ALQ151	Ever have 4/5 or more drinks every day?	3,865	620	3,245	<.001
BPQ020	Ever told you had high blood pressure	5,133	790	4,343	<.001
DIQ010	Doctor told you have diabetes	5,132	790	4,342	<.001
DLQ020	Have serious difficulty seeing?	5,133	790	4,343	<.001
DLQ040	Have serious difficulty concentrating?	5,131	790	4,341	<.001
DLQ050	Have serious difficulty walking?	5,135	791	4,344	<.001
DLQ060	Have difficulty dressing or bathing?	5,134	791	4,343	<.001
DPQ080	Moving or speaking slowly or too fast	4,717	733	3,984	<.001
IMQ011	Received hepatitis A vaccine	4,179	678	3,501	<.001
IMQ020	Received hepatitis B 3 dose series	4,331	691	3,640	<.001
INQ300	Family has savings more than $20,000	4,752	733	4,019	<.001
MCQ160B	Ever told had congestive heart failure	4,863	784	4,079	<.001
MCQ160F	Ever told you had a stroke	4,870	790	4,080	<.001
MCQ160O	Ever told you had COPD?	4,868	788	4,080	<.001
OHQ640	Last yr had diff w/ job because of mouth	3,965	731	3,234	<.001
OHQ770	Past yr need dental but couldn’t get it	5,003	765	4,328	<.001
PAQ650	Vigorous recreational activities	5,134	790	4,344	<.001
PFQ049	Limitations keeping you from working	4,872	790	4,082	<.001
PFQ054	Need special equipment to walk	4,873	789	4,084	<.001
PFQ057	Experience confusion/memory problems	4,870	789	4,081	<.001
PFQ090	Require special healthcare equipment	4,874	790	4,084	<.001
RIAGENDR	Gender	5,135	791	4,344	<.001