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Table 2 Overview of epidemiological studies on methyl bromide effects (1990-2011)

From: Prostate cancer and toxicity from critical use exemptions of methyl bromide: Environmental protection helps protect against human health risks

Reference Study design Magnitude of study Specified measure 1    Exposure to methyl bromide cases    p value high vs. low
study year    sample size location   cancer (prostate) Odds Ratio adjusted 95% CI  
[28] 2003 cohort study occupational agriculture, farmers 55, 332 USA, IA, NC exposed/controls *84/482 84 1.10 0.77, 1.36 0.004
       low exposure 6 2.73 1.18, 6.33  
       high exposure 5 3.47 1.37, 8.76  
[29] 2010 data analysis occupational agriculture, farmers 55, 332 USA, IA, NC   5 3.47 1.37, 8.76 0.004
[30] 2003 case-control study occupational agriculture, Hispanic farm workers 1, 332 USA, CA exposed/controls 121/1110 64 1.17 0.77, 1.75 0.25
       low exposure 37 1.20 0.66, 2.18  
       high exposure 32 1.59 0.77, 3.30  
[31] 2011 case-control study population, near intensive agricult. areas   USA, CA exposed/controls 173/162 87 1.62 1.02, 2.59 0.1
       low exposure 45 1.81 1.03, 3.18  
       high exposure 42 1.45 0.82, 2.57  
[29] 2010 data analysis occupational agriculture, farmers 55, 332 USA, IA, NC   5 3.47 1.37, 8.76 0.004
        toxic effects    
[32] 2006 cohort study population, farmers' wives   USA, CA exposed/controls *145/797   1.82 1.02-3.24