Table 2 Logistic regression analysis predicting the probability of IMA prescription during a visit

2004

0.43

(0.13, 1.48)

2003

0.96

(0.35, 2.64)

2002

0.89

(0.24, 3.32)

2001

0.75

(0.23, 2.47)

2000

0.47

(0.13, 1.63)

1999

0.33

(0.09, 1.30)

1998

Reference

-

0–19

0.39

(0.06, 2.50)

20–39

Reference

-

40–59

0.40

(0.21, 0.79)

60+

0.42

(0.15, 1.15)

Female

1.98

(1.09, 3.58)

Neurologist

6.69

(2.87, 15.59)

Caucasian

0.62

(0.31, 1.22)

Private insurance

Reference

-

Medicare insurance

0.86

(0.43, 1.72)

Medicaid insurance

0.34

(0.11, 0.99)

Other insurance

1.26

(0.47, 3.38)