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This study sought to investigate the associations between self-reported perceived health, socio-demographic variables and lifestyle behaviours as predictors of happiness. 4,663 adults completed the survey. Socio demographic information, age, social class, marital status, as well as lifestyle behaviours, smoking, meeting the 150 minutes of moderate intensity physical activity each day, eating five portions of fruit and vegetables a day and having access to a car were all significantly associated with happiness. For healthy individuals these factors, with the exception of having access to a car, were shown to be significant predictors of happiness. While for those in poor health, the same factors with the exception of social class and eating five portions of fruit and vegetables a day predicted happiness.
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Breslin et al. (2013) studied this question.
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