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Table 2 Relationship between mental factors and clinical outcome scores based on gender

From: The relationship between mental health/physical activity and pain/dysfunction in working-age patients with knee osteoarthritis being considered for total knee arthroplasty: a retrospective study

Exposure

Male patients

Female patients

B

P-value

adjusted Ba

P-value

B

P-value

adjusted Ba

P-value

SF-36 Pain

 Per 10 points in SF-36 mental health

4.27 (0.74, 7.81)

0.0210

0.83 (−3.67, 5.32)

0.7209

3.20 (0.00, 6.40)

0.0532

3.38 (−0.15, 6.91)

0.0660

 Depression PHQ-9 score

−2.01 (− 3.54, − 0.49)

0.0121

− 0.97 (− 2.98, 1.03)

0.3485

−1.92 (− 3.00, − 0.84)

0.0008

− 1.71 (− 2.98, − 0.44)

0.0107

WOMAC Pain

 Per 10 points in SF-36 mental health

3.56 (0.22, 6.91)

0.0410

1.18 (− 3.37, 5.72)

0.6152

3.02 (0.37, 5.67)

0.0280

1.69 (−1.36, 4.73)

0.2823

 Depression PHQ-9 score

−1.64 (−3.09, − 0.20)

0.0296

− 1.20 (− 3.22, 0.81)

0.2508

−1.98 (− 2.84, − 1.12)

< 0.0001

−1.15 (− 2.24, − 0.05)

0.0451

SF-36 Physical Functioning

 Per 10 points in SF-36 mental health

1.88 (−1.05, 4.82)

0.2132

1.51 (− 2.38, 5.39)

0.4526

3.00 (1.12, 4.87)

0.0024

1.99 (− 0.13, 4.11)

0.0712

 Depression PHQ-9 score

− 0.94 (− 2.19, 0.32)

0.1479

−1.01 (− 2.73, 0.70)

0.2546

− 1.44 (− 2.07, − 0.82)

< 0.0001

−1.16 (− 1.90, − 0.41)

0.0037

SF-36 Physical Role Functioning

 Per 10 points in SF-36 Mental health

0.34 (0.08, 0.60)

0.0142

0.28 (− 0.12, 0.68)

0.1782

0.39 (0.18, 0.59)

0.0004

0.40 (0.16, 0.63)

0.0017

 Depression PHQ-9 Score

− 0.15 (− 0.26, − 0.03)

0.0128

− 0.10 (− 0.19, − 0.01)

0.2621

− 0.14 (− 0.21, − 0.07)

0.0002

− 0.10 (− 0.19, − 0.01)

0.0342

WOMAC Physical Functioning

 Per 10 points in SF-36 mental health

3.00 (−0.24, 6.24)

0.0752

1.16 (− 3.54, 5.85)

0.6339

2.38 (−0.32, 5.09)

0.0887

2.20 (−0.70, 5.10)

0.1442

 Depression PHQ-9 score

− 1.18 (− 2.56, 0.20)

0.1013

− 1.11 (− 3.26, 1.05)

0.3239

− 1.84 (− 2.72, − 0.97)

< 0.0001

− 1.46 (− 2.48, − 0.45)

0.0067

  1. B beta coefficient, OR odds ratio, PHQ-9 Patient Health Questionnaire, SF-36 36-Item Short Form Survey Instrument, WOMAC Western Ontario and McMaster Universities Arthritis Index
  2. a: adjusted by age, BMI, educational levels and physical activity