Table 2 Adjusted^a relative risk (RR) of risk-taking behaviors reported at 18 years per 10-fold increase in mean prenatal total urinary DAP concentrations (nmol/gL), overall and stratified by sex, in the CHAMACOS study population, enrolled 1999–2000 in Salinas Valley, California

 Very drunk in last 30 days

315

30 (9.5)

0.96 (0.43, 2.15)

1.53 (0.55, 4.25)

0.65 (0.20, 2.16)

0.27

 Smoked/vaped nicotine in last 30 days

315

28 (8.9)

1.89 (1.00, 3.56)

1.46 (0.56, 3.79)

2.50 (1.10, 5.66)

0.41

 Smoked/vaped marijuana in the past last 30 days

315

78 (24.8)

1.11 (0.71, 1.73)

1.26 (0.72, 2.19)

0.99 (0.52, 1.89)

0.56

 Sex before age 16

311

47 (15.1)

1.16 (0.64, 2.12)

1.91 (0.84, 4.34)

0.81 (0.34, 1.92)

0.15

 Doesn’t always use a condom

310

70 (22.6)

0.98 (0.63, 1.51)

0.91 (0.46, 1.82)

1.02 (0.59, 1.78)

0.79

 Doesn’t always use seatbelt (driver or passenger)

315

102 (32.4)

1.03 (0.72, 1.45)

1.19 (0.63, 2.23)

0.94 (0.62, 1.43)

0.55

 Texts/looks at phone while driving

221

110 (49.8)

0.85 (0.63, 1.15)

0.81 (0.51, 1.27)

0.88 (0.59, 1.31)

0.77

 Drives without license (regularly)

221

96 (43.4)

1.74 (1.25, 2.42)

2.18 (1.35, 3.50)

1.46 (0.93, 2.28)

0.23

 Police encounters

315

77 (24.4)

1.16 (0.76, 1.78)

1.25 (0.70, 2.24)

1.07 (0.57, 2.02)

0.72

 Any delinquent act

315

221 (70.2)

0.97 (0.83, 1.13)

1.09 (0.90, 1.32)

0.88 (0.69, 1.11)

0.15

Delinquency/police encounters (counts)^c

median (25–75%ile)

IRR (95% CI)^a

Males IRR (95% CI)^a

Females IRR (95% CI)^a

 Police encounters

315

0 (0–0)

1.56 (0.91, 2.70)

2.10 (0.97, 4.54)

1.10 (0.51, 2.38)

0.24

 Delinquent acts: number of different types of acts

315

2 (0–6)

1.01 (0.76, 1.35)

1.29 (0.88, 1.88)

0.85 (0.56, 1.27)

0.13

 Delinquent acts: frequency of behaviors

315

8 (0–34)

1.13 (0.75, 1.69)

1.51 (0.86, 2.64)

0.90 (0.52, 1.55)

0.19