The types of factors identified were classifiable into groups consistent with Triandis' model, providing additional support for the use of this model in further research.
Firmicutes and Bacteroidetes were the two most dominant phyla and they comprised an average of 93.04% of total classifiable sequences in all groups (group 1: 92.77%, group 2: 93.95%, and group 3: 92.37%) (Fig. 2), as previously reported in many studies [18].
The release profiles are classifiable into three groups according to the released abundances of 4He, i.e. samples #10, #19, #20, and #74 with high 4He concentrations (on the order of 10−3 cm3 STP/g), samples #05 and #45 with medium 4He concentrations (10−4 cm3 STP/g), and samples #18, #27, and #30 with low 4He concentrations (10−5 cm3 STP/g).
SFKs are non-receptor Tyr kinases, classifiable into two groups, based on the phylogenetic tree, namely Src-related (Src, Yes, Fyn and Fgr) and Lyn-related SFKs (Lyn, Hck, Lck and Blk).
The U.S. EPA (2005) classifies 2,4-D as not classifiable (U.S. EPA group D) with regard to human carcinogenicity, and the International Agency for Research on Cancer (IARC 2001) classifies the chlorphenoxy herbicide group as possibly carcinogenic to humans (IARC group 2B).
These two partial evaluations are combined into a preliminary default evaluation that the agent is "carcinogenic to humans" (group 1), "probably carcinogenic to humans" (group 2A), "possibly carcinogenic to humans" (group 2B), "not classifiable as to its carcinogenicity to humans" (group 3), or "probably not carcinogenic to humans" (group 4).
Combination of these two partial evaluations yields a preliminary default evaluation that the agent is one of the following: group 1, carcinogenic to humans; group 2A, probably carcinogenic to humans; group 2B, possibly carcinogenic to humans; group 3, not classifiable as to its carcinogenicity to humans; or group 4, probably not carcinogenic to humans.
In 1997, the International Agency for Research on Cancer (IARC) classified some crystalline silica polymorphs (i.e., quartz and cristobalite) in Group 1 (carcinogenic to humans), whereas amorphous silica (i.e., silicon dioxide without crystalline structure) was classified in Group 3 (not classifiable as to its carcinogenicity for humans) [ 17].
Socioeconomic groups were classified as professional/manager, home duties, non-manual, manual, unemployed and non-classifiable.
Socioeconomic groups were classified as professional/manager/employer, home duties, non-manual, manual, unemployed and non-classifiable.
