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. Author manuscript; available in PMC: 2013 Dec 1.
Published in final edited form as: Ann Epidemiol. 2012 Oct 25;22(12):825–831. doi: 10.1016/j.annepidem.2012.09.010

Table 4. Behavioral and mental health correlates with passenger seatbelt use among respondents ages 18 and older in the United States.

Drive without seatbelt Unadjusted Adjusted

No (N = 35,335) Yes (N = 1,188)

Row % 95% CI Row % 95% CI OR (95% CI) OR (95% CI)
Substance Misuse
Nicotine
 No 98.05 (97.8-98.3) 1.95 (1.7-2.2) 1.00 1.00
 Yes 94.70 (93.6-95.6) 5.30 (4.4-6.4) 2.81 (2.21-3.38) 1.77 (1.38-2.27)
Alcohol
 No 97.78 (97.5-98.0) 2.21 (2.0-2.5) 1.00 1.00
 Yes 96.38 (95.4-96.2) 3.62 (2.8-4.6) 1.66 (1.25-2.19) 1.29 (0.98-1.70)
Marijuana
 No 97.76 (97.5-98.0) 2.24 (2.0-2.5) 1.00 1.00
 Yes 91.95 (87.4-94.9) 8.05 (5.0-12.6) 3.82 (2.29-6.37) 2.52 (1.48-4.29)
Antisocial Risk
Behavior
Driving Under
Influence
 No 97.87 (97.6-98.1) 2.13 (1.9-2.4) 1.00 1.00
 Yes 96.81 (96.2-97.3) 3.19 (2.7-3.8) 1.51 (1.22-1.88) 1.54 (1.24-1.92)
Theft (< $50)
 No 97.78 (97.5-98.0) 2.22 (2.0-2.5) 1.00 1.00
 Yes 93.16 (90.2-95.3) 6.84 (4.7-9.8) 3.23 (2.14-4.87) 2.19 (1.43-3.37)
Sold Drugs
 No 97.80 (97.5-98.0) 2.20 (2.0-2.5) 1.00 1.00
 Yes 93.63 (91.1-95.4) 6.37 (4.5-8.8) 3.02 (2.08-4.39) 1.80 (1.21-2.68)
Violent Attack
 No 97.79 (97.5-98.0) 2.21 (2.0-2.5) 1.00 1.00
 Yes 93.21 (90.7-95.1) 6.79 (4.9-9.3) 3.22 (2.24-4.63) 1.95 (1.35-2.83)
Criminal Justice
System
Parole
 No 97.76 (97.5-98.0) 2.24 (2.0-2.5) 1.00 1.00
 Yes 91.61 (85.7-95.2) 8.39 (4.8-14.2) 4.00 (2.18-7.34) 2.13 (1.16-3.90)
Larceny
 No 97.76 (97.5-98.0) 2.24 (2.0-2.5) 1.00 1.00
 Yes 93.94 (89.3-96.6) 6.06 (3.3-10.7) 2.81 (1.49-5.29) 1.58 (0.83-2.99)
Lethal Violence
 No 97.76 (97.5-98.0) 2.24 (2.0-2.5) 1.00 1.00
 Yes 88.77 (76.7-94.9) 11.23 (5.0-23.3) 5.52 (2.29-13.3) 3.57 (1.36-9.33)
Assault
 No 97.77 (97.5-98.0) 2.23 (2.0-2.5) 1.00 1.00
 Yes 93.47 (88.5-96.4) 6.53 (3.6-11.5) 3.05 (1.63-5.73) 1.73 (0.88-3.39)
Drug
Possession/Sale
 No 97.76 (97.5-98.0) 2.24 (2.0-2.5) 1.00 1.00
 Yes 93.94 (90.0-96.4) 6.06 (3.6-10.0) 2.82 (1.61-4.92) 1.36 (0.76-2.44)
Psychological
Morbidity
Mild
 No 97.87 (97.6-98.1) 2.13 (1.9-2.4) 1.00 1.00
 Yes 96.60 (95.3-97.5) 3.40 (2.5-4.7) 1.61 (1.13-2.30) 1.47 (1.01-2.13)
Moderate
 No 97.80 (97.5-98.0) 2.21 (2.0-2.5) 1.00 1.00
 Yes 96.27 (94.4-97.5) 3.73 (2.4-5.6) 1.71 (1.09-2.68) 1.47 0.93-2.30)
Serious
 No 97.85 (97.6-98.1) 2.15 (1.9-2.4) 1.00 1.00
 Yes 96.42 (95.3-97.3) 3.58 (2.7-4.7) 1.69 (1.24-2.30) 1.48 (1.07-2.03)
Dual Diagnosis
 No 97.80 (97.6-98.1) 2.18 (1.9-2.4) 1.00 1.00
 Yes 95.40 (94.1-96.4) 4.60 (3.6-5.9) 2.17 (1.63-2.88) 1.62 (1.22-2.16)

Note: Adjusted odds ratios adjusted for age, gender, race/ethnicity, income, education level, and county population density. Odds ratios and confidence intervals in bold are statistically significant (p < .05)