Table 2.

Effect of missing data on median time to counseling among n = 395 participants of the 1999 Bassett Health Census.

Median time to counseling (in years) for	N	All records	≤50% missing data	≤33% missing data	≤10% missing data
Weight management (for obese subjects)	94	4.8	5.1	5.6	5.6
Physical activity recommendations (for all subjects)	395	10.9	11.5	11.8	13.3
Diabetic diet (for diabetic subjects)	45	7.5	8.3	8.3	8.3
Hypertensive diet* (for hypertensive subjects)	133	9.4	9.4	9.4	8.8
Foot exam (for diabetic subjects)	45	0.1	0.1	0.1	0.1
Smoking cessation (for smokers)	60	4.2	4.2	4.2	4.2

^*Mean value given as sample did not reach 50% counseled.