Table 3.

Model selection for each variable.*

Adjusting for---SexSexSex
ACEAEADEACEAEADE
Intercanine width (9 years)AICc483.07483.07482.58*482.64482.64484.04
Intercanine width (12 years)AICc455.72455.72455.66456.78454.58454.56*
Intercanine width (15 years)AICc329.47339.09327.93326.61327.09324.87*
Maxillary width (9 years)AICc462.23460.35458.23457.58455.69453.52*
Maxillary width (12 years)AICc528.92526.76522.34*525.31523.12523.92
Maxillary width (15 years)AICc397.12397.12395.61386.01383.73*385.92
Mandibular width (9 years)AICc512.52511.15509.03*514.73513.30511.13
Mandibular width (12 years)AICc591.80589.64588.16*592.43590.23588.72
Mandibular width (15 years)AICc442.55440.33437.91437.92435.63431.34*
Nasal width (9 years)AICc398.77396.60*396.60*400.56398.34398.34
Nasal width (12 years)AICc451.03448.87*450.59453.16450.96452.73
Nasal width (15 years)AICc365.31363.09365.15362.23*362.23*359.67
Facial width (9 years)AICc598.22596.05596.00596.19593.97*593.97*
Facial width (12 years)AICc661.56659.41655.19656.29654.09650.19*
Facial width (15 years)AICc476.44474.22476.39466.73464.46462.24*
Adjusting for---SexSexSex
ACEAEADEACEAEADE
Intercanine width (9 years)AICc483.07483.07482.58*482.64482.64484.04
Intercanine width (12 years)AICc455.72455.72455.66456.78454.58454.56*
Intercanine width (15 years)AICc329.47339.09327.93326.61327.09324.87*
Maxillary width (9 years)AICc462.23460.35458.23457.58455.69453.52*
Maxillary width (12 years)AICc528.92526.76522.34*525.31523.12523.92
Maxillary width (15 years)AICc397.12397.12395.61386.01383.73*385.92
Mandibular width (9 years)AICc512.52511.15509.03*514.73513.30511.13
Mandibular width (12 years)AICc591.80589.64588.16*592.43590.23588.72
Mandibular width (15 years)AICc442.55440.33437.91437.92435.63431.34*
Nasal width (9 years)AICc398.77396.60*396.60*400.56398.34398.34
Nasal width (12 years)AICc451.03448.87*450.59453.16450.96452.73
Nasal width (15 years)AICc365.31363.09365.15362.23*362.23*359.67
Facial width (9 years)AICc598.22596.05596.00596.19593.97*593.97*
Facial width (12 years)AICc661.56659.41655.19656.29654.09650.19*
Facial width (15 years)AICc476.44474.22476.39466.73464.46462.24*

A, additive genetic variance; AICc, corrected Akaike information criterion; C, shared environmental variance;.

D, dominant genetic variance; E, unique environmental variance.

*the most parsimonious model that better fits the data.

Table 3.

Model selection for each variable.*

Adjusting for---SexSexSex
ACEAEADEACEAEADE
Intercanine width (9 years)AICc483.07483.07482.58*482.64482.64484.04
Intercanine width (12 years)AICc455.72455.72455.66456.78454.58454.56*
Intercanine width (15 years)AICc329.47339.09327.93326.61327.09324.87*
Maxillary width (9 years)AICc462.23460.35458.23457.58455.69453.52*
Maxillary width (12 years)AICc528.92526.76522.34*525.31523.12523.92
Maxillary width (15 years)AICc397.12397.12395.61386.01383.73*385.92
Mandibular width (9 years)AICc512.52511.15509.03*514.73513.30511.13
Mandibular width (12 years)AICc591.80589.64588.16*592.43590.23588.72
Mandibular width (15 years)AICc442.55440.33437.91437.92435.63431.34*
Nasal width (9 years)AICc398.77396.60*396.60*400.56398.34398.34
Nasal width (12 years)AICc451.03448.87*450.59453.16450.96452.73
Nasal width (15 years)AICc365.31363.09365.15362.23*362.23*359.67
Facial width (9 years)AICc598.22596.05596.00596.19593.97*593.97*
Facial width (12 years)AICc661.56659.41655.19656.29654.09650.19*
Facial width (15 years)AICc476.44474.22476.39466.73464.46462.24*
Adjusting for---SexSexSex
ACEAEADEACEAEADE
Intercanine width (9 years)AICc483.07483.07482.58*482.64482.64484.04
Intercanine width (12 years)AICc455.72455.72455.66456.78454.58454.56*
Intercanine width (15 years)AICc329.47339.09327.93326.61327.09324.87*
Maxillary width (9 years)AICc462.23460.35458.23457.58455.69453.52*
Maxillary width (12 years)AICc528.92526.76522.34*525.31523.12523.92
Maxillary width (15 years)AICc397.12397.12395.61386.01383.73*385.92
Mandibular width (9 years)AICc512.52511.15509.03*514.73513.30511.13
Mandibular width (12 years)AICc591.80589.64588.16*592.43590.23588.72
Mandibular width (15 years)AICc442.55440.33437.91437.92435.63431.34*
Nasal width (9 years)AICc398.77396.60*396.60*400.56398.34398.34
Nasal width (12 years)AICc451.03448.87*450.59453.16450.96452.73
Nasal width (15 years)AICc365.31363.09365.15362.23*362.23*359.67
Facial width (9 years)AICc598.22596.05596.00596.19593.97*593.97*
Facial width (12 years)AICc661.56659.41655.19656.29654.09650.19*
Facial width (15 years)AICc476.44474.22476.39466.73464.46462.24*

A, additive genetic variance; AICc, corrected Akaike information criterion; C, shared environmental variance;.

D, dominant genetic variance; E, unique environmental variance.

*the most parsimonious model that better fits the data.

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