Table 3 Univariate logistic regression analysis of potential predictors at baseline for improvement at 4/5^th visit

Gender (male)

1.31 (1.03 to 1.66)

0.025

0.92 (0.72 to 1.18)

0.514

*Age (higher)

0.99 (0.99 to 1.00)

0.192

1.00 (0.99 to 1.01)

0.955

*Posterior area body pain (higher)

0.99 (0.97 to 1.01)

0.231

0.99 (0.97 to 1.01)

0.213

*Anterior area body pain (higher)

1.02 (0.98 to 1.06)

0.275

0.99 (0.96 to 1.01)

0.360

Marked area of posterior body pain (high)

0.77 (0.59 to 0.95)

0.018

0.92 (0.72 to 1.17)

0.494

Inappropriate markings

0.99 (0.68 to 1.44)

0.938

0.81 (0.59 to 1.11)

0.195

Back pain

1.16 (0.89 to 1.51)

0.275

0.81 (0.63 to 1.05)

0.113

Leg pain

0.84 (0.62 to 1.14)

0.268

0.96 (0.72 to 1.28)

0.784

Neck pain

0.90 (0.70 to 1.14)

0.374

1.34 (1.05 to 1.70)

0.020

Headache

0.80 (0.49 to 1.34)

0.409

1.19 (0.83 to 1.71)

0.342

Shoulder and/or arm pain

0.69 (0.53 to 0.90)

0.007

1.01 (0.78 to 1.30)

0.968

Widespread pain

0.79 (0.33 to 1.87)

0.584

0.87 (0.56 to 1.35)

0.533

Trauma

1.03 (0.79 to 1.35)

0.804

1.07 (0.80 to 1.42)

0.648

Similar complaint in past

0.94 (0.73 to 1.21)

0.632

0.94 (0.73 to 1.22)

0.657

Taking medication

1.43 (1.06 to 1.92)

0.019

1.03 (0.78 to 1.36)

0.835

Expect to recover

1.68 (1.27 to 2.23)

0.001

1.57 (1.23 to 2.01)

0.001

Paid employment

1.41 (1.04 to 1.93)

0.028

1.00 (0.76 to 1.33)

0.981

Satisfied with work status

0.80 (0.48 to 1.33)

0.391

1.19 (0.82 to 1.73)

0.368

Smoke

1.28 (1.01 to 1.62)

0.042

1.02 (0.80 to 1.30)

0.882

Alcohol

0.95 (0.72 to 1.26)

0.728

0.74 (0.57 to 0.96)

0.023

Physically active

1.18 (0.85 to 1.63)

0.326

1.01 (0.76 to 1.34)

0.948

In good health

1.19 (0.81 to 1.76)

0.384

1.66 (1.19 to 2.30)

0.003

*BQ Pain

1.11 (1.05 to 1.17)

0.001

1.03 (0.97 to 1.09)

0.340

*BQ Disability

1.16 (1.11 to 1.21)

0.001

1.03 (0.99 to 1.08)

0.194

*BQ Social disability

1.14 (1.10 to 1.19)

0.001

1.02 (0.98 to 1.06)

0.407

*BQ Anxiety

1.07 (1.03 to 1.12)

0.001

1.03 (0.99 to 1.07)

0.197

*BQ Depression

0.99 (0.95 to 1.03)

0.510

1.01 (0.97 to 1.06)

0.494

*BQ WFAB

1.06 (1.02 to 1.10)

0.003

1.00 (0.96 to 1.04)

0.962

*BQ LOC

1.06 (1.02 to 1.11)

0.010

0.98 (0.94 to 1.02)

0.324

*BQ Total

1.02 (1.01 to 1.03)

0.001

1.00 (1.00 to 1.01)

0.334