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Lloyd D Johnston

Explore the profile of Lloyd D Johnston including associated specialties, affiliations and a list of published articles. Areas
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Articles 114
Citations 4510
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Recent Articles
1.
Miech R, Leventhal A, OMalley P, Johnston L, Barrington-Trimis J
JAMA . 2022 Mar; 327(12):1179-1181. PMID: 35315899
No abstract available.
2.
Patrick M, Couper M, Jang B, Laetz V, Schulenberg J, OMalley P, et al.
J Surv Stat Methodol . 2022 Jan; 10(1):149-160. PMID: 35083357
Given the promise of the web push plus e-mail survey design for providing cost-effective and high-quality data (Patrick et al. 2018, 2019) as an alternative to a paper-and-pencil mailed survey...
3.
Terry-McElrath Y, Patrick M, OMalley P, Johnston L
Addict Behav . 2021 Sep; 124:107098. PMID: 34521066
Purpose: This study estimated self-reported perceived negative marijuana use consequences among a national sample of U.S. young adults, examining consequence prevalence differences by use frequency, college attendance, living situation, employment,...
4.
Terry-McElrath Y, OMalley P, Johnston L, Bachman J, Schulenberg J
J Stud Alcohol Drugs . 2020 Oct; 81(5):604-613. PMID: 33028473
Objective: This study estimated the percentage of age 35 and 55 adults reporting using medical marijuana intended for someone else (diverted use) and compared demographics and health status of such...
5.
Terry-McElrath Y, OMalley P, Johnston L
Prev Sci . 2020 Aug; 21(7):960-971. PMID: 32737650
This study (a) examined changes in marijuana and cigarette initiation sequencing and (b) considered implications of such changes for prevention efforts by examining associations between initiation sequencing and current adolescent...
6.
Terry-McElrath Y, OMalley P, Johnston L
Drug Alcohol Depend . 2020 May; 212:108064. PMID: 32470754
Background: More United States adolescents now report high-frequency marijuana use than similar use levels of alcohol or tobacco. Increased high-frequency use raises questions such as (a) is frequent use likelihood...
7.
Patrick M, Miech R, Kloska D, Wagner A, Johnston L
JAMA Pediatr . 2020 Apr; 174(9):900-902. PMID: 32250422
No abstract available.
8.
Miech R, Keyes K, OMalley P, Johnston L
Tob Control . 2020 Jan; 29(6):638-643. PMID: 31941823
Objective: Adolescent cigarette smoking declined steadily and substantially from 2000 to 2018. This paper considers the potential consequences of this 'great decline' for the prevalence of other drug use among...
9.
Patrick M, Couper M, Jang B, Laetz V, Schulenberg J, Johnston L, et al.
Surv Pract . 2019 Dec; 12(1). PMID: 31867145
This study examines the two-year follow up (data collected in 2016 at modal age 21/22) of an original mixed-mode longitudinal survey experiment (data collected at modal age 19/20 in 2014)....
10.
Miech R, Patrick M, OMalley P, Johnston L, Bachman J
JAMA . 2019 Dec; 323(5):475-476. PMID: 31848566
No abstract available.