Table 4.

Unadjusted Sensitivities of Each Awareness Question Stratified by Severity of CKD, Poverty Level, Health Literacy Status, and Having Health Insurance

Severity of CKD
Awareness Question	CKD Stages 1-2	CKD Stages 3-4	Unadjusted P
	Sensitivity	Sensitivity
Diagnosed with weak kidneys, failing kidneys, or kidney disease	26/230 (11.3%)	56/191 (29.3%)	0.001
Kidney problem	5/222 (2.3%)	16/183 (8.7%)	0.003
Kidney disease	3/224 (1.3%)	7/184 (3.8%)	0.1
Kidney damage	2/224 (0.89%)	7/184 (3.8%)	0.05
Protein in the urinea	3/222 (1.4%)	4/62 (6.45%)	0.5

Poverty Level
Awareness Question	Above Poverty Level	Below Poverty Level	Unadjusted P
	Sensitivity	Sensitivity
Diagnosed with weak kidneys, failing kidneys, or kidney disease	36/224 (16.1%)	46/197 (23.8%)	0.003
Kidney problem	9/218 (4.1%)	12/187 (6.4%)	0.1
Kidney disease	3/221 (1.4%)	6/187 (3.2%)	0.9
Kidney damage	6/221 (2.7%)	4/187 (2.1%)	0.1
Protein in the urinea	3/151 (2.0%)	4/133 (3.0%)	0.4

Health Literacy
Awareness Question	Adequate Health Literacy	Inadequate Health Literacy	Unadjusted P
	Sensitivity	Sensitivity
Diagnosed with weak kidneys, failing kidneys, or kidney disease	39/236 (16.5%)	17/65 (26.2%)	0.006
Kidney problem	6/231 (2.6%)	0/62 (0.0%)	0.3
Kidney disease	3/232 (1.3%)	1/62 (1.6%)	0.7
Kidney damage	3/232 (1.3%)	0/62 (0.0%)	0.4
Protein in the urinea	4/158 (2.5%)	0/45 (0.0%)	0.4

Health Insurance
Awareness Question	Has Health Insurance	Does Not Have Health Insurance	Unadjusted P
	Sensitivity	Sensitivity
Diagnosed with weak kidneys, failing kidneys, or kidney disease	61/288 (21.2%)	21/133 (15.8%)	0.07
Kidney problem	13/278 (4.7%)	8/127 (6.3%)	0.8
Kidney disease	6/279 (2.1%)	3/129 (2.3%)	0.7
Kidney damage	6/279 (2.1%)	4/129 (3.1%)	0.9
Protein in the urinea	5/190 (2.6%)	2/94 (2.1%)	0.7

Note: P values identify significant differences in sensitivity of awareness questions, in unadjusted models.

Abbreviation: CKD, chronic kidney disease.

^aAmong those with proteinuria only.