TABLE 2.

Diabetes-Specific Characteristics and Management-Related Behaviors of Adults by Primary Use of Glucose Monitoring Device, BRFSS

	Before matching			After matching
	CGM n = 231	SMBG n = 11,822	P value	CGM n = 231	SMBG n = 217	P value
Behavior related to diabetes self-management
Age when first diagnosed with diabetes, mean (SD), years	27.8 (1.2)	35.9 (0.3)	0.0050	30.6 (18.3)	35.6 (18.3)	0.005
Currently on insulin therapy, %	81.8	87.6	0.2260	88.7	86.6	0.580
Not seen doctor because of cost concern, %	6.0	14.8	0.0500	2.6	7.8	0.011
Had routine check-up in the past 12 months, %	90.0	91.9	0.5179	92.6	92.2	0.860
Seen provider for diabetes ≥2 times in the past 12 months, %	89.4	89.1	0.9075	92.2	87.1	0.150
Check hemoglobin A1c ≥2 times in the past 12 months, %	91.6	87.2	0.2181	91.3	86.6	0.047
Feet check, self-examination daily, %	53.3	69.4	0.0019	58.9	69.6	0.028
Feet check, health care professional examination ≥1 time in the past 12 months, %	87.7	86.7	0.7952	87.9	93.5	0.048
Was told to have retinopathy, %	25.8	33.6	0.0870	31.2	31.3	0.970
Eye check, health care professional screened ≥1 time in the past 12 months, %	84.1	75.2	0.0404	85.3	85.7	0.990
Took a course on how to manage diabetes, %	21.7	27.0	0.2095	72.7	77.4	0.280
Done any exercise in the past month, %	78.4	60.8	0.0005	71.0	70.0	0.720
Received vaccines in the past
Shingles, %	39.9	30.5	0.2174	16.5	10.1	0.024
Pneumonia, %	66.6	70.5	0.3960	59.3	64.1	0.700
Annual influenza, %	66.9	59.5	0.1263	62.3	60.8	0.670

Behavioral Risk Factor Surveillance System; CGM = continuous glucose monitoring; SMBG = self-monitoring of blood glucose.