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Association between casino opening or expansion and risk of childhood overweight and obesity.

ABSTRACT: Economic resources have been inversely associated with risk of childhood overweight/obesity. Few studies have evaluated whether this association is a direct effect of economic resources or is attributable to unmeasured confounding or reverse causation. American Indian-owned casinos have resulted in increased economic resources for some tribes and provide an opportunity to test whether these resources are associated with overweight/obesity.To assess whether openings or expansions of American Indian-owned casinos were associated with childhood overweight/obesity risk.We used repeated cross-sectional anthropometric measurements from fitness testing of American Indian children (aged 7-18 years) from 117 school districts that encompassed tribal lands in California between 2001 and 2012. Children in school districts encompassing American Indian tribal lands that either gained or expanded a casino were compared with children in districts with tribal lands that did not gain or expand a casino.Per capita annual income, median annual household income, percentage of population in poverty, total population, child overweight/obesity (body mass index [BMI] ?85th age- and sex-specific percentile) and BMI z score.Of the 117 school districts, 57 gained or expanded a casino, 24 had a preexisting casino but did not expand, and 36 never had a casino. The mean slots per capita was 7 (SD, 12) and the median was 3 (interquartile range [IQR], 0.3-8). Among districts where a casino opened or expanded, the mean change in slots per capita was 13 (SD, 19) and the median was 3 (IQR, 1-11). Forty-eight percent of the anthropometric measurements were classified as overweight/obese (11,048/22,863). Every casino slot machine per capita gained was associated with an increase in per capita annual income (??=?$541; 95% CI, $245-$836) and a decrease in percentage in poverty (??=?-0.6%; 95% CI, -1.1% to -0.20%) among American Indians living on tribal lands. Among American Indian children, every slot machine per capita gained was associated with a decreased probability of overweight/obesity by 0.19 percentage points (95% CI, -0.26 to -0.11 percentage points) and a decrease in BMI z score (??=?-0.003; 95% CI, -0.005 to -0.0002).In this study, opening or expanding a casino was associated with increased economic resources and decreased risk of childhood overweight/obesity. Given the limitations of an ecological study, further research is needed to better understand the mechanisms behind this association.

SUBMITTER: Jones-Smith JC

PROVIDER: S-EPMC4170916 | biostudies-literature | 2014 Mar

REPOSITORIES: biostudies-literature

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Association between casino opening or expansion and risk of childhood overweight and obesity.

Jones-Smith Jessica C JC Dow William H WH Chichlowska Kristal K

JAMA 20140301 9

<h4>Importance</h4>Economic resources have been inversely associated with risk of childhood overweight/obesity. Few studies have evaluated whether this association is a direct effect of economic resources or is attributable to unmeasured confounding or reverse causation. American Indian-owned casinos have resulted in increased economic resources for some tribes and provide an opportunity to test whether these resources are associated with overweight/obesity.<h4>Objective</h4>To assess whether op ...[more]

PMID: 24595777

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Association between casino opening or expansion and risk of childhood overweight and obesity.

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Association between casino opening or expansion and risk of childhood overweight and obesity.

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