Variable

OR

95% CI

p-value

Sociodemographics

Age

0.96

0.90, 1.01

.10

Gender

  Male
  Female

Ref
0.54

--
0.40, 0.73

--
<.001

Ethnicity
 
White
  Black
  Other

Ref
1.12
0.81

--
0.78, 1.61
0.55, 1.20

--
.55
.30

Parental education
  < Bachelors degree
  ≥ Bachelors degree

Ref
1.06

--
0.79, 1.41

--
.71

Other risk behaviors

Cigarette smoking past 30 days
 
Nonsmoker
Nondaily smoker
Daily smoker

Ref
2.68
3.67

--
1.90, 3.77
2.23, 6.02

--
<.001
<.001

Alcohol use past 30 days

1.09

1.07, 1.12

<.001

Sex partners in the past year

1.06

0.99, 1.12

.12

Psychosocial factors

Perceived stress

1.04

1.00, 1.09

.06

Sensation seeking

1.57

1.30, 1.89

<.001

Big 5 factors
 
Conscientiousness
  Openness

0.87
1.10

0.82, 0.92
1.02, 1.18

<.001
.01