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Society for the Scientific Study of Religion
Religiosity, Marijuana Use, and Binge Drinking: The Role of Dimensions of Faith Craig Rivera, PhD Niagara University Society for the Scientific Study of Religion November 8, 2013 Boston, MA
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Background (Continued)
Empirical support for direct effects of religiosity on substance use (e.g., Bahr & Hoffman, 2008; Ulmer et al., 2012; Wallace et al., 2007) Empirical support for indirect effects of religiosity, such as through peer selection or social bonds (e.g., Bahr et al., 1998; Ulmer et al., 2012) Baier & Wright (2001), Chitwood et al. (2008), and Johnson et al. (2000) have thorough reviews of the impact of religiosity on deviance in general and substance use in particular
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Background (Continued)
Religiosity has been operationalized both as a single global scale (e.g., Barr & Hoffmann, 2008; Ulmer et al., 2012) and as separate dimensions (e.g., Benda & Corwyn, 1997; Nonnemaker et al., 2003) Common dimensions examined are public vs. private expressions (e.g., Nonnemaker et al., 2003), as well as organizational religiosity, subjective religiosity, and religious affiliation (see Chitwood et al., 2008 for a review) Evidence exists that different dimensions may have different effects on outcomes (e.g., Chitwood et al., 2008; Nonnemaker et al., 2003)
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Background (continued)
To build upon this research, the current study first examines the effects of religiosity operationalized as a single global scale, and then examines the effects of religiosity operationalized as separate dimensions Specifically, the current study utilizes factor analysis to identify two dimensions of religiosity – public and private Similar to Nonnemaker et al. (2003), but adds measures to each dimension Public dimension consists of behaviors engaged in around others, such as attending religious services Private dimension consists of behaviors and expressions made alone, such as frequency of praying alone and closeness to God
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Research Questions Is there an association between a youth’s overall religiosity and his or her use of marijuana and binge drinking? Do different dimensions of religious faith, specifically public vs. private dimensions, have different effects on marijuana use and binge drinking?
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Methods – Sample National Study of Youth and Religion (Smith and Pearce) Three wave, nationally representative study of adolescents and emerging adults (n=3,290) Wave 1: ages 13-17; Wave 2: ages 16-20; Wave 3: ages 18-23 Data collection involved telephone interviews with youth on topics ranging from religious faith, to family and school life, to a range of developmental issues Current analyses use Waves 2 and 3 (n=2,532) Data were made available through the Association of Religion Data Archives
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Methods – Measurement Marijuana Use – measured at Wave 3
Original survey question: “How often, if ever, do you use marijuana?” Seven category response set ranging from “Never” to “Once a Day or More” Highly skewed distribution – more than 80% answered “Never” or “A Few Times A Year” Variable recoded into a dichotomy reflecting whether or not the youth has ever used marijuana: 1=No (69.2%); 2=Yes (30.8%)
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Methods -- Measurement
Binge Drinking – measured at Wave 3 Original survey question: “How many times, if at all, over the past two weeks have you drunk at least 5 drinks [4 for females] in the same night?” Four category response set ranging from “Never” to “Five or More Times” Highly skewed distribution – more than 82% answered “Never” or “Once or Twice” Variable recoded into a dichotomy reflecting whether or not the youth has drunk at least 5 (or 4) drinks in one night at all in the past two weeks: 1=No (52.1%); 2=Yes (47.9%)
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Methods – Measurement Religiosity – seven items, measured at Wave 2:
How often do you attend religious services? (Six categories: “Never” to “Once a week or more”) How often do you attend Sunday School or other religious education classes? (Seven categories: “Never” to “More than once a week”) How often do you attend any organized religious groups such as Bible study, prayer group, or religious group?
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Methods – Measurement Religiosity -- continued
How often, if ever, do you pray by yourself? (Six categories: “Never” to “Once a day or more”) How often, if ever, do you read from the sacred scriptures of your particular religious tradition by yourself? How distant or close do you feel to God most of the time? (Four categories: “Very distant” to “Very close”) How important or unimportant is religious faith in shaping how you live your daily life? (Four categories: “Not important at all” to “Extremely important”)
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Methods – Measurement Religiosity – continued
Overall Religiosity Scale (α = .872) Standardized and computed mean for all seven items Public Dimension (α = .807) Frequency of attending religious services Frequency of attending Sunday School Frequency of attending organized religious groups Private Dimension (α = .835) Frequency of solitary prayer Frequency of reading sacred scriptures How close you feel to God Importance of religious faith
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Methods – Measurement Overall scale and both subscales each recoded into three categories: Lowest quartile = Low Religiosity Middle quartiles = Medium Religiosity Upper quartile = High Religiosity Draws on Smith and Denton (2005) and logic of risk and protective factor research (e.g., Farrington and Loeber, 2000)
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Methods – Measurement Control Variables – measured at Wave 2
All models control for the following variables: age gender # of friends who drink or use drugs closeness to mother how often they feel sad how much they like to take risks dichotomous measure of previous marijuana use or binge drinking
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Methods – Analysis Plan
Logistic regression models, run separately for marijuana use and binge drinking: Overall scale of religiosity Public dimension of religiosity Private dimension of religiosity Public and private dimensions of religiosity
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Model 4: Public and Private
Results – Logistic Regression Wave 2 Religiosity Predicting Wave 3 Marijuana Use Model 1: Overall (n=1,964) Model 2: Public (n=2,071) Model 3: Private (n=2,002) Model 4: Public and Private β High Overall Religiosity High Public Religiosity High Private Religiosity -.778*** -- -.533*** -.476*** -.384** -.319* *p < .10; ** p < .05; ***p < .01 Note: Combined low and medium religiosity is the comparison group
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Model 4: Public and Private
Results – Logistic Regression Wave 2 Religiosity Predicting Wave 3 Binge Drinking Model 1: Overall (n=1,971) Model 2: Public (n=2,078) Model 3: Private (n=2,010) Model 4: Public and Private β High Overall Religiosity High Public Religiosity High Private Religiosity -.563*** -- -.369*** -.525*** -.223* -.431*** *p < .10; ** p < .05; ***p < .01 Note: Combined low and medium religiosity is the comparison group
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Summary and Conclusions
When measured as a single, global scale, youth with high levels of religiosity have significantly lower odds of using marijuana and engaging in binge drinking, controlling for several relevant factors Findings are similar when religiosity is divided into public and private dimensions; however… Public religiosity may have a stronger impact on marijuana use compared to private religiosity Private religiosity may have a stronger impact on binge drinking compared to public religiosity
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Directions for Future Research
Examine additional outcomes such as hard drug use and serious delinquency Examine other dimensions of religiosity Examine denomination-specific effects (e.g., building on Regnerus, 2003)
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