Table 1.

Mention level classification results

Variable	TPa	FPb	FNc	Send	NPVe	PPVf	Accg	F-scoreh
Housing Situation
Homeless/marginally housed	79	39	11	0.87	0.38	0.66	0.63	0.75
Lives at home/not homeless	6382	111	335	0.95	0.02	0.98	0.93	0.96
Lives in a facility	426	131	141	0.75	0.26	0.76	0.63	0.75
Living Alone
Does not live alone	1329	123	88	0.93	0.11	0.91	0.86	0.92
Lives alone	710	19	17	0.97	0.05	0.97	0.95	0.97
Social Support
Has social support	5174	525	337	0.93	0.21	0.90	0.85	0.92
No social support	220	59	19	0.92	0.78	0.78	0.78	0.84

^aTrue positive

^bFalse positive

^cFalse negative

^dSensitivity (i.e. recall)

^eNegative predictive value

^fPositive predictive value (i.e. precision)

^gAccuracy

^hF-score (harmonic mean of positive predictive value and sensitivity)