Factor (test/reference)

All Antipsychotics

Olanzapine group

Non-olanzapine group

OR

95% CI

p-value

OR

95% CI

p-value

OR

95% CI

p-value

Gender (female/male)

1.204

0.920 - 1.576

0.175

1.163

0.803 - 1.686

0.424

1.370

0.913 - 2.056

0.129

Age (units = 10 years old)

0.871

0.797 - 0.953

0.003

0.843

0.743 - 0.957

0.008

0.916

0.804 - 1.044

0.187

Onset of illness (recurrent/initial)

1.145

0.854 - 1.535

0.366

0.994

0.664 - 1.488

0.976

1.294

0.836 - 2.004

0.247

Outpatient or inpatient status

(outpatients/inpatients)

0.508

0.383 - 0.675

<0.001

0.622

0.416 - 0.929

0.020

0.398

0.264 - 0.601

<0.001

Prior use of any antipsychotics* (yes/no)

0.693

0.516 - 0.930

0.015

0.549

0.366 - 0.824

0.004

0.886

0.568 - 1.383

0.595

CGI-S Schizophrenia Score** (units = 1)

1.049

0.900 - 1.223

0.540

1.078

0.879 - 1.322

0.468

1.058

0.830 - 1.348

0.650

Use of anti-parkinson agents** (yes/no)

0.844

0.553 - 1.288

0.431

0.500

0.250 - 0.999

0.050

1.155

0.644 - 2.071

0.629

Use of antidepressants** (yes/no)

0.827

0.472 - 1.448

0.506

1.243

0.553 - 2.792

0.599

0.576

0.252 - 1.315

0.190

Use of anti-anxiety/sleep agents** (yes/no)

0.860

0.653 - 1.133

0.285

0.988

0.679 - 1.437

0.950

0.707

0.463 - 1.079

0.108

Use of antiepileptic agents** (yes/no)

1.088

0.733 - 1.614

0.677

1.719

0.971 - 3.044

0.063

0.821

0.457 - 1.475

0.509

Use of mood-stabilizing drugs** (yes/no)

0.987

0.420 - 2.322

0.977

0.335

0.076 - 1.481

0.149

1.837

0.551 - 6.128

0.323

Treatment (Non-olanzapine/Olanzapine)

1.416

1.086 - 1.846

0.010