Table 2 Statistical models describing intervention effects on city-wide taxicab driver homicide rates: United States, 1996—2010

Variables

Cameras installed

0.22 (0.10, 0.52)

0.11 (0.06, 0.24)

0.31 (0.14, 0.72)

0.32 (0.15, 0.67)

—

—

Partitions installed

—

—

—

—

1.11 (0.59, 2.09)

0.78 (0.41, 1.47)

Year^¶

—

1.09 (1.00, 1.19)

—

0.98 (0.92, 1.04)

—

0.88 (0.83, 0.94)

City homicide rate**

—

1.10 (1.01, 1.20)

—

1.12 (1.03, 1.23)

—

1.12 (1.06, 1.19)