Table 2. Odds ratio of acceptance of home visit delegation, logistic regression skeptics (0) versus supporters (1).

	OR supporters	(95-%-CI)	P
Sex (female) (reference value: male, OR=1)	1.29	(0.77−2.16)	0.34
Age (years)	0.96	(0.92−0.99)	0.03
Specialty (primary care physician) (reference value: specialists in internal medicine practicing as primary care physicians, OR=1)	0.82	(0.39−1. 71)	0.59
Population in practice area (reference:<10000, or=1)
10000−50000	1.11	(0.62−1.97)	0.70
>50000	2.12	(0.98−4.58)	0.06
Average number of health insurance certificates per quarter (reference value: <800 certificates, or=1)
800–999 certificates	1.40	(0.53−3.68)	0.49
1000–1199 certificates	1.56	(0.61−3.98)	0.35
1200–1599 certificates	1.61	(0.66−3.90)	0.30
≥ 1600 certificates	2.99	(1.24−7.22)	0.02
Average number of home visits in the past quarter (reference value: up to 5 per week, OR=1)
6−10 per week	1.52	(0.52−4.49)	0.45
11−15 per week	1.11	(0.44−2.79)	0.83
16−20 per week	1.20	(0.49−2.96)	0.70
21 and more per week	1.74	(0.71−4.28)	0.23
Time spent on home visits (including traveling time in hours)	1.04	(0.99−1.10)	0.15
Time spent in the practice (total time spent in hours)	0.97	(0.95−0.99)	<0.01
Number of qualified medical practice assistants in the office (less than 3) (reference value: <10000. or=1)	0.69	(0.36−1.33)	0.27
Current home visit delegation to qualified medical practice assistants (yes)(Referenz: No, OR=1)	3.31	(1.73−5.23)	<0.01

95-% CI, 95-% confidence interval