In the research over view Article “Stress and Development of Depression and Heavy Drinking in Adulthood: Moderating Effects of Childhood Trauma” Written by Coleman, Garad, Zeng, Naicker, Weeks, Patten, Jones, Thompson, Wild. The Authors go in depth with how they our replicating a study from The Nations Population Heath Survey which is known to be a nationwide longitudinal study conducted by Statistics Canada. This study used measures over a 16 year time period starting from 1994/1995 and continuing until 2008/2009. A total of 17,276 individuals were randomly selected in 1994/1995 but only 3,930 participants successfully finished the study in 2008/2009. Extra precautions were made to make sure the data remained representative to the Canadian population and all the participants will be followed up every two years. The introduction starts off with educating facts like, traumatic events can lead to depression and heavy drinking in forms such as physical or sexual abuse, parental divorce and violence. They mention the objectives are to find that individuals who suffer from traumatic childhood events are more likely to become depressed after stressful events in adulthood compared to those without
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Two weeks or longer in the hospital; 2. Parental divorce; 3. Parental unemployment; 4. Frightening experience that was thought about for years after; 5. being sent away from home for wrongdoing; 6. Family problems due to parental substance abuse; 7. Physical abuse by someone “close.” Based on these questions three groups were made assigning individuals by experiencing none of these events, one of these events or two or more of these events throughout their childhood. Just like any other study there will be minor errors and participants dropping out, mixed models/Bootstrap methods were used much like a survey to calculate data to include into the study to make up for people that were no longer participating. All the data collected was put into percentile/number
Two weeks or longer in the hospital; 2. Parental divorce; 3. Parental unemployment; 4. Frightening experience that was thought about for years after; 5. being sent away from home for wrongdoing; 6. Family problems due to parental substance abuse; 7. Physical abuse by someone “close.” Based on these questions three groups were made assigning individuals by experiencing none of these events, one of these events or two or more of these events throughout their childhood. Just like any other study there will be minor errors and participants dropping out, mixed models/Bootstrap methods were used much like a survey to calculate data to include into the study to make up for people that were no longer participating. All the data collected was put into percentile/number