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. Author manuscript; available in PMC: 2015 Mar 1.
Published in final edited form as: J Adolesc Health. 2013 Nov 13;54(3):341–349. doi: 10.1016/j.jadohealth.2013.09.003

Table 2.

Lifetime prevalence rates for alcohol, cigarette, and marijuana use by HIV-infection status and unadjusted and adjusted comparisons of lifetime prevalence between groups for youth participating in the PHACS AMP protocol, 2007–2011

Type of Use PHIV+ lifetime prevalence (95% CI)* Events (count) PHEU lifetime prevalence (95% CI)** Events (count) Comparison between PHIV+ and PHEU groups
OR (95% CI) P-value aOR (95% CI)a P-valuea
Alcohol
 Any alcohol use 0.60 (0.55, 0.65) 208 0.42 (0.35, 0.50) 62 2.00 (1.40, 3.00) <.001 1.43 (0.88, 2.33) 0.15
 Alcohol (excluding just a sip) 0.36 (0.31, 0.42) 127 0.27 (0.20, 0.34) 37 1.57 (1.02, 2.43) 0.042 1.26 (0.72, 2.20) 0.42
Marijuana use (any) 0.27 (0.23, 0.32) 101 0.19 (0.13, 0.26) 29 1.59 (0.98, 2.60) 0.061 0.86 (0.45, 1.64) 0.65
Cigarettes
 Any cigarette use 0.25 (0.21, 0.31) 92 0.16 (0.10, 0.23) 21 1.84 (1.06, 3.20) 0.031 1.27 (0.61, 2.65) 0.52
 At Least One Cigarette 0.17 (0.14, 0.22) 59 0.08 (0.05, 0.14) 13 2.32 (1.19, 4.54) 0.014 1.65 (0.65, 4.20) 0.29
 At Least Two Cigarettes 0.12 (0.09, 0.17) 41 0.08 (0.04, 0.14) 11 1.72 (0.83, 3.55) 0.14 0.83 (0.29, 2.41) 0.74

PHACS Pediatric HIV/AIDS Cohort Study, AMP Adolescent Master Protocol, PHIV+ perinatally HIV-infected, PHEU perinatally HIV-exposed but uninfected, CI Confidence Interval, OR odds ratio, aOR adjusted odds ratio

*

Average age across visits: 14.5 years

**

Average age across visits: 13.2 years

a

Adjusted for race, ethnicity, age at visit, income, caregiver substance use, sex, and caregiver type.