Table 4

Green tobacco sickness (GTS) incidence densities (ID) × 100 and prevalence by risk factors

Variable Number of interviews GTS events Prevalence (standard error) ID
(standard error)
Overall660650.082 (0.018)1.88 (0.45)
Season4-150 4-151
 early (e)227100.036 (0.014)0.93 (0.38)
 middle (m)208250.094 (0.023)2.34 (0.67)
 late (l)225300.109 (0.032)2.13 (0.62)
Type of work4-150 4-151
 prime93210.203 (0.056)4.04 (1.24)
 prime/barn93130.109 (0.041)2.55 (0.87)
 top274240.073 (0.021)1.86 (0.60)
 barn9950.035 (0.028)0.62 (0.49)
 other10120.011 (0.012)0.24 (0.25)
Work with no shirt
 yes3880.133 (0.075)2.29 (1.31)
 no622570.078 (0.018)1.85 (0.47)
Body mass index
 <25231220.075 (0.023)1.79 (0.56)
 25–29319320.093 (0.020)2.09 (0.51)
 30+110110.068 (0.029)1.49 (0.71)
Wear rainsuit
 yes209270.109 (0.036)2.38 (0.76)
 no450380.068 (0.014)1.60 (0.41)
Change out of wet clothes
 yes312400.116 (0.024)2.27 (0.50)
 no156190.079 (0.027)2.16 (0.87)
Years worked in tobacco4-150 4-151
 first191240.108 (0.029)2.41 (0.74)
 2 to 4272290.096 (0.018)2.30 (0.51)
 5 or more197120.039 (0.018)0.87 (0.44)
Skin integrity
 good562530.082 (0.018)1.88 (0.45)
 poor98120.080 (0.037)1.89 (0.91)
Four or more drinks
 yes178150.080 (0.021)1.55 (0.40)
 no480500.083 (0.021)2.04 (0.54)
Work in wet clothes4-150 4-151
 ⩾25%232350.138 (0.028)2.97 (0.71)
 <25%428300.052 (0.016)1.29 (0.42)
Tobacco use4-150 4-151
 yes260170.060 (0.017)1.18 (0.32)
 no400480.098 (0.023)2.39 (0.61)
Live with a smoker
 yes470430.077 (0.018)1.71 (0.45)
 no189210.087 (0.027)2.16 (0.70)
  • Tobacco use is yes if in the past seven days the worker smoked cigarettes or cigars, or dipped snuff. Work in wet clothes at least 25% of the days that were worked in a seven day period.

  • 4-150 Prevalence p<0.05.

  • 4-151 Incidence p<0.05.