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. Author manuscript; available in PMC: 2014 May 1.
Published in final edited form as: Contemp Clin Trials. 2013 Mar 16;35(1):117–126. doi: 10.1016/j.cct.2013.03.003

Table 4.

Characteristics of the sample at baseline

Mean (SD)/Proportion Range
Age 70.74 (9.01) 60–100
Gender (proportion male) 0.29
Live alone 0.62
White 0.76
Years of education 14.15 (3.12) 3–21
PHQ-9 total score 7.74 (4.99) 0–22
INQ thwarted belongingness 5.26 (3.86) 0–18
INQ perceived burdensomeness 0.61 (1.36) 0–6
GSIS suicide ideation 18.37 (7.19) 10–74
GSIS death ideation 10.38 (4.23) 5–29
GSIS perceived meaning in life 32.61 (5.41) 14–58

INQ = Interpersonal Needs Questionnaire; GSIS = Geriatric Suicide Ideation Scale. All continuous scores indicate greater scores on the respective construct, including greater thwarted belongingness, greater perceived burdensomeness, greater suicide ideation, greater death ideation, and greater perceived meaning in life.