Beal, S. J., Negriff, S., Dorn, L. D., Pabst, S., & Schulenberg, J. E. (2014) Longitudinal associations between smoking and depressive symptoms among adolescent girls. Prevention Science, 15(4), 506-515

Slater, S., Chriqui, J., Chaloupka, F. J., & Johnston, L. (2014) Joint use policies: Are they related to adolescent behavior? Preventive Medicine, 69,(Supp 1), S37-43.

Slater, S., & Colabianchi, N. (2014) What influences park use and physical activity? Translational Behavioral Medicine, 4(2), 130.

Staff, J., Kirkpatrick Johnson, M., Patrick, M., & Schulenberg, J. (2014) The Great Recession and recent employment trends among secondary students in the United States. Longitudinal and Life Course Studies, 5(2), 173-188.

Hood, N. E., Colabianchi, N., Terry-McElrath, Y. M., O'Malley, P. M., & Johnston, L. D. (2014) Physical activity breaks and facilities in US secondary schools. Journal of School Health, 84(11), 697-705.

Colabianchi, N., Coulton, C. J., Hibbert, J. D., McClure, S. M., Ievers-Landis, C. E., & Davis, E. M. (2014) Adolescent self-defined neighborhoods and activity spaces: Spatial overlap and relations to physical activity and obesity. Health and Place, 27, 22-29.

Terry-McElrath, Y.M., O'Malley, P.M., & Johnston, L.D. (2014) Alcohol and Marijuana use patterns associated with unsafe driving among US high school seniors: High use frequency, concurrent use, and simultaneous use. Journal of Studies on Alcohol and Drugs, 75(3), 378-389.

Hood, N. E., Turner, L., Colabianchi, N., Chaloupka, F. J., & Johnston, L. D. (2014) Availability of drinking water in US public school cafeterias. Journal of the Academy of Nutrition and Dietetics, 114(9), 1389-1395.

Lewis, M. A., Patrick, M. E., Litt, D. M., Atkins, D. C., Kim, T., Blayney, J. A., Norris, J., George, W. H., & Larimer, M. E. (2014) Randomized controlled trial of a web-delivered personalized normative feedback intervention to reduce alcohol-related risky sexual behavior among college students. Journal of Consulting and Clinical Psychology, 82(3), 429-440.

Terry-McElrath, Y. M., Hood, N. E., Colabianchi, N., O'Malley, P. M., & Johnston, L. D. (2014) Profits, commercial food supplier involvement, and school vending machine snack food availability: Implications for implementing the new competitive foods rule. The Journal of School Health, 84(7), 451-458.

Lewis, M. A., Patrick, M. E., Mittman, A., & Kaysen, D. L. (2014) Sex on the beach: The influence of social norms and trip companion on Spring Break sexual behavior. Prevention Science, 15, 408-418.

Griffin, J., & Patrick, M. E. (2014) Nonresponse bias in a longitudinal measurement design examining substance use across the transition out of high school. Drug and Alcohol Dependence, 143, 232-238.

Terry-McElrath, Y. M., O'Malley, P. M., & Johnson, L. D. (2014) Accessibility over availability: Associations between the school food environment and student fruit and green vegetable consumption. Childhood Obesity, 10(3), 241-50.

Litt, D. M., Lewis, M. A., Patrick, M. E., Rodriguez, L., Neighbors, C., & Kaysen, D. L. (2014) Spring break versus spring broken: predictive utility of spring break alcohol intentions and willingness at varying levels of extremity. Prevention Science, 15, 85-93.

Maslowsky, J., Schulenberg, J. E., O'Malley, P. M., & Kloska, D. D. (2014) Depressive symptoms, conduct problems, and risk for polysubstance use among adolescents: Results from US national surveys. Mental Health and Substance Use, 7(2), 157-169.

Terry-McElrath, Y. M., O'Malley P, M., & Johnston, L. D. (2014) Energy drinks, soft drinks, and substance use among United States secondary school students. Journal of Addiction Medicine, 8(1), 6-13.

Patrick, M. E., Evans-Polce, R., & Maggs, J. L (2014) Alcohol mixed with energy drinks as a predictor of alcohol-related consequences up to two years later. Journal of Studies on Alcohol and Drugs, 75, 753–757.

Wiecha, J. L., Beets, M. W., Colabianchi, N., Ferree, A., Hall, G., Hofman, J., & Rauworth, A. (2014) Promoting physical activity in out-of-school-time programs: We built the bridge-Can we walk over it? Preventative Medicine, 69, Suppl 1, S114-116.

Maslowsky, J., Schulenberg, J. E., & Zucker, R. A. (2014) Influence of conduct problems and depressive symptomatology on adolescent substance use: Developmentally proximal versus distal effects. Developmental Psychology, 50(4), 1179-1189.

Terry-McElrath, Y. M., Turner, L., Sandoval, A., Johnston, L. D., & Chaloupka, F. J. (2014) Commercialism in US elementary and secondary school nutrition environments: Trends from 2007 to 2012. JAMA Pediatrics, 168(3), 234-242.

Patrick, M. E., Lee, C. M., & Neighbors, C. (2014) Web-based intervention to change perceived norms of college student alcohol use and sexual behavior on Spring Break. Addictive Behaviors, 39, 600-606.

Wilson, D. K., Van Horn, M. L., Siceloff, E. R., Alia, K. A., St. George, S. M., Lawman, H. G., Trumpeter, N. N., Coulon, S. M., Griffin, S. F., Wandersman, A., Egan, B., Colabianchi, N., Forthofer, M., & Gadson, B. (2014) The results of the “Positive Action for Today’s Health” (PATH) Trial for increasing walking and physical activity in underserved African-American communities. Annals of Behavioral Medicine.

McCabe, S. E., Schulenberg, J. E., O'Malley, P. M., Patrick, M. E., & Kloska, D. D. (2014) Non-medical use of prescription opioids during the transition to adulthood: A multi-cohort national longitudinal study. Addiction, 109(1), 102-110.

Patrick, M. E., & Maggs, J. L. (2014) Energy drinks and alcohol: Links to alcohol behaviors and consequences across 56 days. Journal of Adolescent Health. 54, 454-459.

Liese, A. D., Bell, B. A., Barnes, T. L., Colabianchi, N., Hibbert, J. D., Blake, C. E., & Freedman, D. A. (2014) Environmental influences on fruit and vegetable intake: Results from a path analytic model. Public Health Nutrition, 17(11), 2595-2604.

O'Malley, P. M. (2014) A review of studies of drinking patterns in the United States since 1940. Journal of Studies on Alcohol and Drugs, 75(Supp 17), 18-25.

Patrick, M. E., Maggs, J. L., Greene, K., Morgan, N. R., & Schulenberg, J. E. (2014) The link between mother and adolescent substance use: Intergenerational findings from the British Cohort Study. Longitudinal and Life Course Studies, 5, 56-63.

Howard, V. J., David Rhodes, J., Mosher, A., Hutto, B., Stewart, M. S., Colabianchi, N., Vena, J. E., Blair, S. N., & Hooker, S.P. (2014) Obtaining accelerometer data in a national cohort of Black and White adults. Medicine and Science in Sports and Exercise, 47(7), 1531-1537.

Patrick, M.E., & Schulenberg, J.E. (2014) Prevalence and predictors of adolescent alcohol use and binge drinking in the United States. Alcohol Research, 35, 193-200.

Banda, J. A., Wilcox, S., Colabianchi, N., Hooker, S. P., Kaczynski, A. T., & Hussey, J. (2014) The associations between park environments and park use in southern US communities. Journal of Rural Health, 30(4), 369-378.

Siennick, S. E., Staff, J., Osgood, D. W., Schulenberg, J. E., Bachman, J. G., & VanEseltine, M. (2014) Partnership transitions and antisocial behavior in young adulthood: A within-person, multi-cohort analysis. Journal of Research in Crime and Delinquency, 51(6), 735-758.

Terry-McElrath, Y. M., O'Malley, P. M., & Johnston, L. D. (2013) Simultaneous alcohol and marijuana use among US high school seniors from 1976 to 2011: Trends, reasons, and situations. Drug and Alcohol Dependence, 133(1), 71-9.

Noonan, D., & Patrick, M. E. (2013) Factors associated with perceptions of hookah addictiveness and harmfulness among college students. Substance Abuse, 34, 83-85.

Patrick, M. E. (2013) Daily associations of alcohol use with sexual behavior and condom use during Spring Break. Drug and Alcohol Review, 32, 215-217.

Terry-McElrath, Y. M., O'Malley, P. M., & Johnston, L. D. (2013) Middle and high school drug testing and student illicit drug use: A national study 1998-2011. Journal of Adolescent Health, 52, 707-715.

O'Malley, P. M., & Johnston, L. D. (2013) Driving after drug use or alcohol use by American high school seniors, 2001-2011. American Journal of Public Health, 103(11).

Patrick, M. E., Lewis, M. A., Lee, C. M., & Maggs, J. L. (2013) Semester and event-specific motives for alcohol use during Spring Break: Associated protective strategies and negative consequences. Addictive Behaviors, 38, 1980-1987.

Terry-McElrath, Y. M., O'Malley, P. M., & Johnston, L. D. (2013) School soft drink availability and consumption among U.S. secondary students. American Journal of Preventative Medicine, 44(6), 573-582.

Hutto, B., Howard, V. J., Blair, S. N., Colabianchi, N., Vena, J. E., Rhodes, D., & Hooker, S. P. (2013) Identifying accelerometer nonwear and wear time in older adults. International Journal of Behavioral Nutrition and Physical Activity, 10, 120.

Bachman, J. G., Staff, J., O'Malley, P. M., & Freedman-Doan, P. (2013) Adolescent work intensity, school performance, and substance use: Links vary by race/ethnicity and socioeconomic status. Developmental Psychology, 49(11), 2125-34.

Patrick, M. E., Singer, E., Boyd, C. J., Cranford, J. A., & McCabe, S. E. (2013) Incentives for college student participation in web-based substance use surveys. Addictive Behaviors, 38, 1710-1714.

Blake, C. E., Bell, B. A., Freedman, D. A., Colabianchi, N., & Liese, A. D. (2013) The Eating Identity Type Inventory (EITI). Development and associations with diet. Appetite, 69, 15-22.

Jackson, K. M., & Schulenberg, J. E. (2013) Alcohol use during the transition from middle school to high school: National panel data on prevalence and moderators. Developmental Psychology, 49(11), 2147-58.

Liese, A. D., Barnes, T. L., Lamichhane, A. P., Hibbert, J. D., Colabianchi, N., & Lawson, A. B. (2013) Characterizing the food retail environment: impact of count, type, and geospatial error in 2 secondary data sources. Journal of Nutrition Education and Behavior, 45(5), 435-442.

Jager, J., Schulenberg, J., O'Malley, P. M., & Bachman, J. G. (2013) Historical variation in drug use trajectories across the transition to adulthood: The trend toward lower intercepts and steeper, ascending slopes. Development and Psychopathology, 25(2), 527-543.

Pate, R. R., O'Neill, J. R., Liese, A. D., Janz, K. F., Granberg, E. M., Colabianchi, N., Harsha, D. W., Condrasky, M. M., O'Neil, P. M., Lau, E. Y., & Taverno Ross, S. E. (2013) Factors associated with development of excessive fatness in children and adolescents: a review of prospective studies. Obesity Reviews, 14(8), 645-658.

Maslowsky, J., & Schulenberg, J. E. (2013) Interaction matters: Quantifying conduct problem by depressive symptoms interaction and its association with adolescent alcohol, cigarette, and marijuana use in a national sample. Development and Psychopathology, 25(4 Pt 1), 1029-1043

Ma, X., Barnes, T. L., Freedman, D. A., Bell, B. A., Colabianchi, N., & Liese, A. D. (2013) Test-retest reliability of a questionnaire measuring perceptions of neighborhood food environment. Health & Place, 21, 65-69.

O'Malley, P. M., & Johnston, L. D. (2013) Driving after drug use or alcohol use by American high school seniors, 2001-2011. American Journal of Public Health, 103(11), 2027-34.

Clarke, P., O'Malley, P. M., Schulenberg, J. E., Lee, H., Colabianchi, N., & Johnston, L. D. (2013) College expectations in high school mitigate weight gain over early adulthood: Findings from a national study of American youth. Obesity, 21(7), 1321-1327.

Trapl, E. S., Taylor, H. G., Colabianchi, N., Litaker, D., & Borawski, E. A. (2013) Value of audio-enhanced handheld computers over paper surveys with adolescents. American Journal of Health Behavior, 37(1), 62-69.

Patrick, M. E., Schulenberg, J. E., Martz, M. E., Maggs, J. L., O'Malley, P. M., & Johnston, L. (2013) Extreme binge drinking among American 12th-grade students in the United States: Prevalence and predictors. JAMA Pediatrics, 167(11), 1019-1025.

Hood, N., Colabianchi, N., Terry-McElrath, Y. M., O'Malley, P. M., & Johnston, L. D. (2013) School wellness policies and foods and beverages available in schools. American Journal of Preventive Medicine, 45(2), 143-149.

Sudano, J. J., Perzynski, A., Wong, D. W., Colabianchi, N., & Litaker, D. (2013) Neighborhood racial residential segregation and changes in health or death among older adults. Health Place, 19, 80-88.

Kumar, R., O'Malley, P.M., Johnston, L.D., & Laetz, V.B. (2013) Alcohol, tobacco, and other drug use prevention programs in U.S. schools: A descriptive summary. Prevention Science, 14(6), 581-592.

Staff, J., Schulenberg, J. E., Bachman, J. G., Parks, M. J., & VanEseltine, M. (2013) Identifying good and bad jobs in adolescence. NIOSH proceedings "Health and Safety of Young Workers: Proceedings of a U.S. & Canadian Series of Symposia".

Slater, S. J., Nicholson, L., Chriqui, J., Barker, D. C., Chaloupka, F. J., & Johnston, L. D. (2013) Walkable communities and adolescent weight. American Journal of Preventative Medicine, 44(2), 164-168.

Falk, E. B. (1), Hyde, L. W. (1), Mitchell, C. (1), Faul, J., Gonzalez, R., Heitzeg, M., Keating, D. P., Langa, K. M., Martz, M. E., Maslowsky, J., Morrison, F. J., Noll, D. C., Patrick, M. E., Pfeffer, F. T., Reuter-Lorenz, P. A., Thomason, M. E., Davis-Kean, P. (2), Monk, C. S. (2), & Schulenberg, J. (2) [ (1)Joint First Authors, (2)Senior Authors] (2013) What is a representative brain? Neuroscience meets population science. Proceedings of the National Academy of Sciences of the United States of America, 110(44), 17615-17622.

Patrick, M. E., Wightman, P., Schoeni, R. F., & Schulenberg, J. E. (2012) Socioeconomic status and substance use among young adults: A comparison across constructs and drugs. Journal of Studies on Alcohol and Drugs, 73, 772-782.

Terry-McElrath, Y.M., O'Malley, P.M., & Johnston, L.D. (2012) Factors affecting sugar-sweetened beverage availability in competitive venues of US secondary schools. Journal of School Health, 82(1), 44-55.

Meyers, D. C., Wilson, D. K., Kugler, K. A., Colabianchi, N., McKenzie, T. L., Ainsworth, B. E., Reed, J., & Schmidt, S. C. (2012) Assessing urban walking trail use and changes in the trail environment using systematic observational protocols. Health & Place, 18(5), 991-999.

Liu, R., Sui, X., Laditka, J. N., Church, T. S., Colabianchi, N., Hussey, J., & Blair, S. N. (2012) Cardiorespiratory fitness as a predictor of dementia mortality in men and women. Medicine and Science in Sports and Exercise, 44(2), 253-259.

Lefkowitz, E. S., Patrick, M. E., Morgan, N., Bezemer, D. H., & Vasilenko, S. A. (2012) State Patty’s Day: College student drinking and local crime increased on a student-constructed holiday. Journal of Adolescent Research, 27, 323-350.

Lewis, M. A., Patrick, M. E., Lee, C. M., Kaysen, D. L., Mittman, A., & Neighbors, C. (2012) Use of protective behavioral strategies and their association to 21st birthday alcohol consumption and related negative consequences: A between- and within-person evaluation. Psychology of Addictive Behaviors, 26, 179-186

Maggs, J. L., Jager, J., Patrick, M. E., & Schulenberg, J. (2012) Social role patterning in early adulthood in the USA: Adolescent predictors and concurrent well-being across four distinct configurations. Longitudinal and Life Course Studies, 3, 190-210.

Dever, B. V., Schulenberg, J. E., Dworkin, J. B., O'Malley, P. M., Kloska, D. D., & Bachman, J. G. (2012) Predicting risk-taking with and without substance use: The effects of parental monitoring, school bonding, and sports participation. Prevention Science, 13(6), 605-615.

Patrick, M. E., & Lee, C. M. (2012) Daily variations in Spring Break alcohol and sexual behaviors based on intentions, perceived norms, and daily trip context. Journal of Studies on Alcohol and Drugs, 73(4), 591-596.

Keyes, K. M., Schulenberg, J. E., O'Malley, P. M., Johnston, L. D. , Bachman, J. G., Li, G., & Hasin, D. (2012) Birth cohort effects on adolescent alcohol use: The influence of social norms from 1976-2007. Archives of General Psychiatry, 69(12), 1304-1313.

Patrick, M. E., Neighbors, C., & Lee, C. M. (2012) A hierarchy of 21st birthday drinking norms. Journal of College Student Development, 53, 581-585.

Schulenberg, J. E., & Schoon, I. (2012) The transition to adulthood across time and space: Overview of special issue. Longitudinal and Life Course Studies, 3(2), 164-172.

Patrick, M. E., O’Malley, P. M., Johnston, L., Terry-McElrath, Y. M., & Schulenberg, J. E. (2012) HIV/AIDS risk behaviors and substance use by young adults in the United States. Prevention Science, 13(5), 532-538.

Terry-McElrath, Y. M., Johnston, L. D., & O'Malley, P. M. (2012) Trends in competitive venue beverage availability: Findings from US public secondary schools. Archives of Pediatric and Adolescent Medicine, 166(8), 776-778.

Taverno Ross, S. E., Dowda, M., Colabianchi, N., Saunders, R., & Pate, R. R. (2012) After-school setting, physical activity, and sedentary behavior in 5th grade boys and girls. Health & Place, 18(5), 951-955.

Wray-Lake, L., Maggs, J. L., Johnston, L. D., Bachman, J. G., O'Malley, P. M., Schulenberg, J. E. (2012) Associations between community attachments and adolescent substance use in nationally representative samples. Journal of Adolescent Health, 51(4), 325-331.

Bachman, J. G., O'Malley, P. M., Freedman-Doan, P., Trzesniewski, K. H., & Donnellan, M. B. (2011) Adolescent self-esteem: Differences by race/ethnicity, gender, and age. Self and Identity, 10(4), 445-473.

Terry-McElrath, Y.M., Emery, S., Wakefield, M.A., O'Malley, P.M., Szczypka, G., & Johnston, L.D. (2011) Effects of tobacco-related media campaigns on smoking among 20-30-year-old adults: Longitudinal data from the USA. Tobacco Control, 22(1), 38-45.

Lee, C. M., Maggs, J. L., Neighbors, C., & Patrick, M. E. (2011) Positive and negative alcohol-related consequences: Associations with past drinking. Journal of Adolescence, 34, 87-94,

Bachman, J. G., O'Malley, P. M., Johnston, L. D., Schulenberg, J. E., & Wallace, J. M., Jr. (2011) Racial/ethnic differences in the relationship between parental education and substance use among U.S. 8th-, 10th-, and 12th-grade students: Findings from the Monitoring the Future project. Journal of Studies on Alcohol and Drugs, 72(2), 279-285.

Palen, L., Caldwell, L. L., Smith, E. A., Gleeson, S. L., & Patrick, M. E. (2011) A mixed-method analysis of free time involvement and motivation among adolescents in Cape Town, South Africa. Leisure/Loisir, 35(3), 227–252.

Sui, X., Lavie, C. J., Hooker, S. P., Lee, D. C., Colabianchi, N., Lee, C. D., & Blair, S. N. (2011) A prospective study of fasting plasma glucose and risk of stroke in asymptomatic men. Mayo Clinic Proceedings, 86(11), 1042-1049.

Bachman, J. G., Staff, J., O'Malley, P. M., Schulenberg, J. E., & Freedman-Doan, P. (2011) Twelfth-grade student work intensity linked to later educational attainment and substance use: New longitudinal evidence. Developmental Psychology, 47(2), 344-363

Patrick, M. E., Lee, C. M., & Larimer, M. E. (2011) Drinking motives, protective behavioral strategies, and experienced consequences: Identifying students at risk. Addictive Behaviors, 36, 270-273.

Colabianchi, N., Maslow, A. L., & Swayampakala, K. (2011) Features and amenities of school playgrounds: a direct observation study of utilization and physical activity levels outside of school time. International Journal of Behavioral Nutrition and Physical Activity, 8, 32.

Maslow, A. L., & Colabianchi, N. (2011) Youth physical activity resource use and activity measured by accelerometry. American Journal of Health Behavior, 35(2), 219-227.

Ilgen, M.A., Schulenberg, J.E., Kloska, D.D., Czyz, E., Johnston, L.D., & O'Malley, P.M. (2011) Prevalence and characteristics of substance abuse treatment utilization by US adolescents: National data from 1987-2008. Addictive Behaviors, 36, 1349-1352.

Patrick, M. E., & Maggs, J. L. (2011) College students’ evaluations of alcohol consequences as positive and negative. Addictive Behaviors, 36, 1148-1153.

Patrick, M. E., Morgan, N., Maggs, J. L., & Lefkowitz, E. (2011) “I got your back”: Friends’ understandings regarding college student Spring Break behavior. Journal of Youth and Adolescence, 40, 108–120.

Van Meter, E., Lawson, A. B., Colabianchi, N., Nichols, M., Hibbert, J., Porter, D., & Liese, A.D. (2011) Spatial accessibility and availability measures and statistical properties in the food environment. Spatial Spatio-temporal Epidemiology, 2(1), 35-47.

Keyes, K. M., Schulenberg, J. E.,O'Malley, P. M., Johnston, L. D., Bachman, J. G., Li, G., & Hasin, D. (2011) The social norms of birth cohorts and adolescent marijuana use in the United States, 1976-2007. Addiction, 106(10), 1790-8000.

Patrick, M. E., Maggs, J. L., Cooper, M. L., & Lee, C. M. (2011) Measurement of motivations for and against sexual behavior. Assessment, 18, 502-516.

Patrick, M. E., & Schulenberg, J. E. (2011) How trajectories of reasons for alcohol use relate to trajectories of binge drinking: National panel data spanning late adolescence to early adulthood. Developmental Psychology, 47(2), 311-317.

Price, A. E., Corwin, S. J., Friedman, D. B., Laditka, S. B., Colabianchi, N., & Montgomery, K. M. (2011) Older adults’ perceptions of physical activity and cognitive health: implications for health communication. Health Education and Behavior, 38(1), 15-24.

Terry-McElrath, Y.M., Emery, S., Szczypka, G., & Johnston, L. D. (2011) Potential exposure to anti-drug advertising and drug-related attitudes, beliefs, and behaviors among United States youth, 1995-2006. Addictive Behaviors, 36(1-2), 116-124.

Patrick, M. E., Schulenberg, J. E., O’Malley, P. M., Maggs, J. L., Kloska, D. D., Johnston, L., & Bachman, J. (2011) Age-related changes in reasons for using alcohol and marijuana from ages 18 to 30 in a national sample. Psychology of Addictive Behaviors, 25(2), 330-339.

Patrick, M. E., Schulenberg, J. E., O’Malley, P. M., Johnston, L., & Bachman, J. (2011) Adolescents’ reported reasons for alcohol and marijuana use as predictors of substance use and problems in adulthood. Journal of Studies on Alcohol and Drugs, 72(1), 106-116.

Pfeiffer, K., Colabianchi, N., Dowda, M., Porter, D., Hibbert, J., & Pate, R. R. (2011) Examining the role of churches in adolescent girls’ physical activity. Journal of Physical Activity and Health, 8(2), 227-233.

Terry-McElrath, Y. M., & O'Malley, P. M. (2011) Substance use and exercise participation among young adults: Parallel trajectories in a national cohort-sequential study. Addition, 106(10), 1855-1865.

Terry-McElrath Y. M., O'Malley P. M., & Johnston L. D. (2011) Exercise and substance use among American youth, 1991-2009. American Journal of Preventive Medicine, 40(5), 530-540.

Price, A. E., Corwin, S. J., Friedman, D. B., Laditka, S. B., Colabianchi, N., & Montgomery, K. M. (2011) Physical activity and cognitive-health content in top-circulating magazines, 2006-2008. Journal of Aging and Physical Activity, 19(2), 147-168.

Palen, L., Patrick, M. E., Gleeson, S. L., Caldwell, L. L., Smith, E. A., Wegner, L., & Flisher, A. A. (2010) Leisure constraints for adolescents in Cape Town, South Africa: A qualitative study. Leisure Sciences, 32, 434–452.