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. 2022 Mar 6;22:61. doi: 10.1186/s12874-022-01531-x

Fig. 2.

Fig. 2

Bias in the 8 non-response correlates in women by the 7 study-arm manipulations. Grid lines range from − 12 (the center point) to + 12 percentage points. Negative numbers indicate under-representation of the characteristic in respondents compared to the sample, and positive numbers, over-representation. The blue circle represents 0 or no bias. MST = military sexual trauma. OEF/OIF/OND = Operation Enduring Freedom, Operation Iraqi Freedom, Operation New Dawn. SMI = Serious mental illness diagnosis