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. Author manuscript; available in PMC: 2024 Jan 23.
Published in final edited form as: Biol Psychiatry. 2023 Feb 9;94(8):630–639. doi: 10.1016/j.biopsych.2023.01.027

Table 1: Demographics of MDD Cases and Controls.

The demographics of MDD cases and controls are displayed (rows: MDD cases and MDD controls). Age, BMI, and SES are displayed as the mean values within the cohorts. % Ethnicity shows the ratio of White, Mixed and Other populations (Supplementary Information: Materials and Methods: Covariates).

MDD controls MDD cases
N 20917 8840
Age 56.67 (SD = 7.67) 54.12 (SD = 7.55)
BMI 26.48 (SD = 4.18) 27.26 (SD = 5.12)
% Female 49.95 68.82
SES −1.92 −1.37
% Never Smoked 59.72 52.58
% Ethnicity 97:0.45:2.2 97:0.7:2
% Attended University/College 46.36 45.67