Table 5 Assessment of predictive baseline factors associated with satisfaction rate

Age (continuous)

1.067

(1.02, 1.12)

1.066

(1.02, 1.12)

Gender, male (ref. female)

1.257

(0.51, 3.12)

1.093

(0.43, 2.81)

 Past smoker (ref. non-smoker)

2.520

(0.52, 12.24)

 Current smoker (ref. non-smoker)

0.707

(0.27, 1.89)

Drinking (ref. no)

2.427

(0.73, 8.07)

Body mass index (continuous)

1.054

(0.90, 1.23)

Previous neck pain episode (ref. no pain)

0.543

(0.20, 1.52)

Comorbid illness (ref. no comorbidity)^a

1.325

(0.54, 3.26)

 Unilateral (ref. none)

2.654

(0.86, 8.18)

4.513

(1.2, 17.03)

 Bilateral (ref. none)

0.875

(0.26, 2.96)

0.977

(0.24, 3.95)

ROM restriction (ref.no)^b

1.938

(0.77, 4.87)

Positive physical exam result (ref.no)^c

1.522

(0.58, 4.02)

 Epidural injections (ref. no)

0.974

(0.29, 3.26)

 Analgesic medications (ref. no)

1.132

(0.46, 2.79)

 CAM (ref. no)

2.200

(0.60, 8.08)

8.793

(1.46, 52.97)

 Between 1 and 6 months (ref. <1 mos.)

0.862

(0.26, 2.83)

 Over 6 months (ref. <1 mos.)

0.345

(0.10, 1.19)