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. 2012 Jul 1;176(1):52–59. doi: 10.1093/aje/kwr473

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American Journal of Epidemiology © The Author 2012. Published by Oxford University Press on behalf of the Johns Hopkins Bloomberg School of Public Health.

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0), which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

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Figure 2. — One-year incidence of major depressive disorder (MDD) according to quartile of effort-reward imbalance, overall (A), in men (B), and in women (C), Alberta, Canada, 2008–2011. The overall incidence proportions for quartiles 1–4 were 1.5 (95% confidence interval (CI): 0.8, 2.9), 3.6 (95% CI: 2.1, 5.6), 3.3 (95% CI: 1.9, 5.7), and 6.4 (95% CI: 6.3, 9.4), respectively. In men, the incidence proportions for quartiles 1–4 were 1.6 (95% CI: 0.7, 3.9), 2.7 (95% CI: 1.3, 5.7), 2.5 (95% CI: 1.0, 6.0), and 5 (95% CI: 2.6, 9.2), respectively. In women, the incidence proportions for quartiles 1–4 were 1.3 (95% CI: 0.5, 3.6), 4.3 (95% CI: 2.3, 7.8), 4.4 (95% CI: 2.2, 8.6), and 7.8 (95% CI: 4.7, 12.6), respectively.