Examining the Relationship between Heavy Alcohol Use and Assaults: With Adjustment for the Effects of Unmeasured Confounders

Table 5

Descriptive frequency statistics for driving without seatbelt, alcohol use and controlled potential confounders.

	Driving without seatbelt
	No	Yes	Total
Days had 5+ drinks last month
0	44,888	1,023	45,911
1	10,308	341	10,649
2	7,092	316	7,408
3 to 4	6,786	348	7,134
5 to 8	5,691	322	6,013
9 to 30	4,792	365	5,157
Used tobacco last year
No	39,911	665	40,576
Yes	39,646	2,050	41,696
Used illicit drug last year
No	56,381	1,486	57,867
Yes	23,176	1,229	24,405
Age
18	4,314	225	4,539
19	4,474	222	4,696
20	4,741	216	4,957
21	5,481	249	5,730
22–23	10,490	470	10,960
24–25	10,297	424	10,721
26–29	5,987	211	6,198
30–34	6,561	167	6,728
35–49	16,950	370	17,320
50–64	7,143	118	7,261
65+	3,119	43	3,162
Gender
Male	38,425	1,883	40,308
Female	41,132	832	41,964
Race
White	54,303	2,057	56,360
Black	8,474	231	8,705
Native American	1,056	42	1,098
Native Pacific Islander	325	6	331
Asian	2,539	29	2,568
Mixed race	2,294	88	2,382
Hispanic	10,566	262	10,828
Education
Less than high school	9,169	619	9,788
High school graduate	24,181	1,216	25,397
Some college	25,696	692	26,388
College graduate	20,511	188	20,699
Family income
<$20,000	18,159	716	18,875
$20,000–$49,999	26,110	1,081	27,191
$50,000–$74,999	13,286	401	13,687
$75,000+	22,002	517	22,519
Marital status
Married	28,363	564	28,927
Widowed	1,248	29	1,277
Divorced or Separated	7,273	290	7,563
Never been married	42,673	1,832	44,505
Health status
Excellent	21,479	566	22,045
Very good	33,005	944	33,949
Good	19,356	887	20,243
Fair	4,958	256	5,214
Poor	759	62	821
Major depressive episode
Never	67,589	2,308	69,897
Ever, but not in the last 12 months	5,483	143	5,626
In the last 12 months	6,485	264	6,749
County metro status
Large metro	34,873	925	35,798
Small metro	28,748	923	29,671
Nonmetro	15,936	867	16,803
Year of survey
2009	26,083	930	27,013
2010	27,049	903	27,952
2011	26,425	882	27,307