Adolescent smoking and depression: evidence for self-medication and peer smoking mediation

被引:159
作者
Audrain-McGovern, Janet [1 ]
Rodriguez, Daniel [1 ]
Kassel, Jon D. [2 ]
机构
[1] Univ Penn, Dept Psychiat, Philadelphia, PA 19104 USA
[2] Univ Illinois, Dept Psychol, Chicago, IL 60680 USA
关键词
Adolescence; adolescent smoking; depression; longitudinal; peer smoking; self-medication; smoking; CIGARETTE-SMOKING; MAJOR DEPRESSION; PSYCHIATRIC-DISORDERS; SUBSTANCE USE; RISK-FACTORS; PSYCHOLOGICAL-FACTORS; NICOTINE DEPENDENCE; PHYSICAL-ACTIVITY; FAMILIAL FACTORS; TOBACCO SMOKING;
D O I
10.1111/j.1360-0443.2009.02617.x
中图分类号
R194 [卫生标准、卫生检查、医药管理];
学科分类号
100404 [儿少卫生与妇幼保健学];
摘要
Aims The nature of the relationship between adolescent smoking and depression is unclear and the mechanisms that account for the comorbidity have received little investigation. The present study sought to clarify the temporal precedence for smoking and depression and to determine whether these variables are linked indirectly through peer smoking. Participants The sample was composed of 1093 adolescents participating in a longitudinal study of the behavioral predictors of smoking adoption. Design and measurements In this prospective cohort study, smoking, depression, peer smoking and other covariates were measured annually from mid-adolescence (9th grade; age 14) to late adolescence (12th grade, age 18). Findings Parallel processes latent growth curve models supported a bidirectional relationship between adolescent smoking and depression, where higher depression symptoms in mid-adolescence (age 14) predicted adolescent smoking progression from mid- to late adolescence (ages 14-18). A significant indirect effect indicated that higher depression symptoms across time predicted an increase in the number of smoking peers, which in turn predicted smoking progression from mid-adolescence to late adolescence. In addition, smoking progression predicted a deceleration of depression symptoms from mid- to late adolescence. A significant indirect effect indicated that greater smoking at baseline predicted a deceleration in the number of smoking peers across time, which predicted a deceleration in depression symptoms from mid-adolescence to late adolescence. Conclusions The current study provides the first evidence of bidirectional self-medication processes in the relationship between adolescent smoking and depression and highlights peer smoking as one explanation for the comorbidity.
引用
收藏
页码:1743 / 1756
页数:14
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