The geographic identification of elevated suicide risk model: evaluating a method for examining suicide-related behaviors at the neighborhood level in Harris County, Texas

Table 1 Normality of rates of positive suicidal ideation and suicide attempt screens by minimum cell size

	N	Mean (SD)	Range Min, Max	Skew Est. (SE)	Kurtosis Est. (SE)	Kolmogorov-Smirnov test	Shapiro-Wilk
Census Tracts ≥ 1 screen	2388
Suicidal ideation		0.19 (0.21)	0.00, 1.00	2.15 (0.05)	5.69 (0.10)	0.19***	0.76***
Suicide attempt		0.12 (0.18)	0.00, 1.00	3.24 (0.05)	12.62 (0.10)	0.26***	0.62***
Census Tracts ≥ 5 screens	1574
Suicidal ideation		0.19 (0.11)	0.00, 0.71	0.55 (0.06)	1.16 (0.12)	0.07***	0.97***
Suicide attempt		0.12 (0.09)	0.00, 0.60	0.92 (0.06)	1.55 (0.12)	0.09***	0.93***
Census Tracts ≥ 10 screens	1240
Suicidal ideation		0.19 (0.09)	0.00, 0.58	0.44 (0.07)	0.81 (0.14)	0.06***	0.98***
Suicide attempt		0.12 (0.07)	0.00, 0.50	0.69 (0.07)	0.89 (0.14)	0.07***	0.97***
Census Tracts ≥ 20 screens	768
Suicidal ideation		0.19 (0.08)	0.00, 0.52	0.33 (0.09)	0.52 (0.17)	0.05***	0.99***
Suicide attempt		0.11 (0.06)	0.00, 0.41	0.73 (0.95)	0.95 (0.17)	0.06***	0.97***
Census Tracts ≥ 30 screens	469
Suicidal ideation		0.18 (0.07)	0.00, 0.41	0.31 (0.11)	0.44 (0.21)	0.05**	0.99***
Suicide attempt		0.11 (0.06)	0.00, 0.41	0.95 (0.11)	1.87 (0.21)	0.08***	0.95***
Census Tracts ≥ 40 screens	250
Suicidal ideation		0.18 (0.06)	0.03, 0.39	0.08 (0.14)	0.29 (0.28)	0.03	0.99
Suicide attempt		0.11 (0.05)	0.00, 0.41	1.44 (0.14)	4.52 (0.28)	0.08***	0.92***

Note. N = total number of census tracts; SD = standard deviation; SE = standard error; ** p <.01; *** p <.001

ISSN: 1471-2458