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. Author manuscript; available in PMC: 2017 Sep 6.
Published in final edited form as: Drug Alcohol Depend. 2017 May 10;176:14–20. doi: 10.1016/j.drugalcdep.2017.02.024

Table 3.

Comparison of propensity scores between CTN-0053 (ACCENT) and NSDUH, ACCENT and NESARC-III, and ACCENT and TEDS-A.

Mean propensity
score
Survey ACCENT Survey Δp Pooled
standard
deviation		 Standardized
Δp		 t-test p-value
NSDUH1 0.0010 0.0002 0.0008 0.0002 3.65 62.40 <.001
NESARC-III2 0.0008 0.0001 0.0007 0.0001 6.67 114.13 <.001
TEDS-A3 0.0452 0.0109 0.0343 0.0199 1.72 29.35 <.001
1

Propensity score calculated based on age, gender, race, ethnicity, education, employment, marital status, age at first cannabis use, number of days of cannabis use in the past month, and cigarette smoking status.

2

Propensity score calculated based on age, gender, race, ethnicity, education, employment, marital status, age at first cannabis use, cannabis use in the past month, and cigarette smoking status.

3

Propensity score calculated based on age, gender, race, ethnicity, education, employment, marital status, age at first cannabis use, and cannabis use in the past month.