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. Author manuscript; available in PMC: 2023 May 15.
Published in final edited form as: J Affect Disord. 2022 Mar 7;305:115–121. doi: 10.1016/j.jad.2022.03.004

Table 2.

Univariate co-relative model

School Grades
HR (95% CI)		 IQ
HR (95% CI)		 Education level
HR (95% CI)
Observed Predicted Observed Predicted Observed Predicted
Population 0.60 (0.60; 0.61) 0.61 (0.61; 0.61) 0.67 (0.66; 0.67) 0.67 (0.66; 0.67) 0.62 (0.62; 0.63) 0.62 (0.62; 0.62)
Cousins 0.65 (0.64; 0.65) 0.63 (0.63; 0.63) 0.70 (0.69; 0.71) 0.69 (0.68; 0.69) 0.63 (0.62; 0.62) 0.64 (0.63; 0.64)
Half Siblings 0.69 (0.68; 0.70) 0.65 (0.65; 0.66) 0.72 (0.70; 0.74) 0.71 (0.70; 0.72) 0.62 (0.61; 0.63) 0.65 (0.65; 0.65)
Full Siblings 0.68 (0.67; 0.69) 0.70 (0.69; 0.71) 0.74 (0.74; 0.75) 0.75 (0.73; 0.76) 0.70 (0.69; 0.70) 0.68 (0.68; 0.69)
MZ Twins - 0.80 (0.78; 0.82) - 0.83 (0.81; 0.86) - 0.76 (0.74; 0.77)
AIC 2646159.2 2646252.3 1527238.9 1527239.3 3592342.2 3592379.6