Table 4 Odds ratio [95 % CI] for medication use over time

3 months

1.50*

1.12*

1.21

1.31

1.19

[1.05, 2.15]

[1.00, 1.25]

[0.84, 1.75]

[0.91, 1.89]

[0.85, 1.66]

6 months

1.92**

1.34

1.38

1.75*

1.52*

[1.27, 2.92]

[0.99, 1.81]

[0.92, 2.09]

[1.07, 2.85]

[1.01, 2.29]

12 months

1.81**

1.52*

1.13

1.75*

1.34

[1.17, 2.79]

[1.07, 2.16]

[0.72, 1.78]

[1.07, 2.85]

[0.87, 2.06]

Age

1.02

0.99

1.03

0.99

1.03

[0.98, 1.06]

[0.94, 1.04]

[0.98, 1.08]

[0.93, 1.06]

[0.99, 1.08]

Black

0.90

1.16

0.90

0.43

0.87

[0.36, 2.22]

[0.43, 3.08]

[0.36, 2.28]

[0.10, 1.84]

[0.35, 2.13]

Female

1.27

2.06

0.77

0.77

0.72

[0.54, 2.97]

[0.83, 5.07]

[0.31, 1.89]

[0.19, 3.10]

[0.30, 1.70]

Medicaid

0.35

2.75

0.56

0.36

0.46

[0.11, 1.07]

[0.80, 9.38]

[0.17, 1.81]

[0.07, 1.95]

[0.15, 1.38]

Medicare

0.96

2.16

0.71

0.70

0.74

[0.34, 2.72]

[0.73, 6.40]

[0.24, 2.05]

[0.11, 4.68]

[0.26, 2.10]

Charlson index

1.16

1.03

0.83

1.09

0.83

[0.85, 1.59]

[0.74, 1.42]

[0.61, 1.13]

[0.70, 1.71]

[0.61,1.12]

N obs.

300

316

296

132

332