Table 3

 Pre-training and post-training subgroup comparisons of improvement in safety knowledge for selected questions

Question/statementNo (%) responding incorrectly at pre-training (A)No (%) responding incorrectly at post-training (B)Ratio (B:A)χ2
LSI, Loggers Safety Initiative; ***p<0.01.
Identification of the safest escape path
    Certification (393)146 (37.1)71 (18.1)0.4935.8***
    Recertification (762)239 (31.4)129 (16.9)0.5443.3***
    Owner (731)237 (32.4)141 (19.3)0.6032.9***
    Non-owner (456)164 (36.0)77 (16.9)0.4742.7***
    LSI (256)89 (34.8)41 (16.0)0.4623.7***
    Non-LSI (909)295 (32.4)168 (18.5)0.5746.7***
Identification of the safest notch
    Certification152 (38.7)104 (26.5)0.6813.3***
    Recertification205 (26.9)135 (17.7)0.6618.6***
    Owner219 (30.0)153 (20.9)0.7015.1***
    Non-owner150 (32.9)96 (21.0)0.6416.3***
    LSI62 (24.2)48 (18.7)0.772.3
    Non-LSI299 (32.9)197 (21.7)0.6528.8***
Identification of overloaded log trucks
    Certification133 (33.8)70 (17.8)0.5326.4***
    Recertification207 (27.2)105 (13.8)0.5141.9***
    Owner215 (29.4)114 (15.6)0.5340.0***
    Non-owner136 (29.8)67 (14.7)0.4930.2***
    LSI84 (32.8)41 (16.0)0.4919.6***
    Non-LSI260 (28.6)137 (15.1)0.5348.3***
Safety meetings should be held once a week
    Certification72 (18.3)7 (1.8)0.1059.5***
    Recertification130 (17.1)28 (3.7)0.2173.5***
    Owner131 (17.9)26 (3.6)0.2078.7***
    Non-owner81 (17.8)12 (2.6)0.1557.0***
    LSI42 (16.4)6 (2.3)0.1429.8***
    Non-LSI166 (18.2)31 (3.4)0.19102.7***
Most fatal logging incidents occur within 10 feet of the stump of a felled tree
    Certification70 (17.8)5 (1.3)0.0762.3***
    Recertification133 (17.4)11 (1.4)0.08114.1***
    Owner123 (16.8)8 (1.1)0.06110.9***
    Non-owner88 (19.3)9 (2.0)0.1072.0***
    LSI34 (13.3)4 (1.6)0.1225.6***
    Non-LSI171 (18.8)12 (1.3)0.07153.6***