Table 2 Relationship between mental factors and clinical outcome scores based on gender
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
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
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
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
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
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
a: adjusted by age, BMI, educational levels and physical activity