Table 2

Green tobacco sickness (GTS) incidence density × 100 and prevalence

Dates (1999) Week Number of workers Number of GTS events Incidence density (standard error) Prevalence (standard error)
6/21–6/2715420.94 (0.96)0.037 (0.036)
6/28–7/0525920.51 (0.50)0.023 (0.022)
7/06–7/1134920.65 (0.44)0.037 (0.025)
7/12–7/1846541.64 (1.04)0.046 (0.024)
7/19–7/2557350.83 (0.47)0.044 (0.025)
7/26–8/02676175.33 (1.52)0.187 (0.044)
8/03–8/0875930.69 (0.49)0.039 (0.028)
8/09–8/16879112.32 (1.13)0.101 (0.048)
8/17–8/2295450.95 (0.75)0.057 (0.045)
8/23–8/291055133.91 (1.49)0.207 (0.080)
8/30–9/05113711.36 (1.12)0.077 (0.065)
  • One form dated 9/12 was counted as week 11.