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Table 1 Baseline Characteristics of the patient population with reported weight and height

From: Obesity is associated with more disability at presentation and after treatment in low back pain but not in neck pain: findings from the OIOC registry

  LBP cross-sectional LBP longitudinal Neck cross-sectional Neck longitudinal
General Characteristics     
 Patients 548 211 191 71
 Age: median (IQR) 49 (37; 61) 51 (38; 61) 46 (37; 56) 47 (38; 59)
 No age reported: n (%) 28 (5) 2 (1) 14 (7) 0 (0)
 Gender female: n (%) 288 (53) 113 (54) 114 (60) 47 (66)
 Missing gender information: n (%) 25 (4) 2 (1) 13 (7) 0 (0)
 BMI: median (IQR) 26.6 (23.1; 30.2) 26 (22.8; 29.1) 24.8 (22.4; 28.3) 24.7 (22.5; 28.1)
 Married or in a relationship: n (%) 229 (42) 90 (43) 81 (47) 34 (48)
 No relationship, divorced: n (%) 275 (50) 110 (52) 90 (47) 34 (48)
 Not reported: n (%) 44 (8) 11 (5) 20 (11) 3 (4)
 Low education (high school): n (%) 126 (23) 45 (21) 28 (15) 13 (18)
 Higher education: n (%) 361 (66) 150 (71) 138 (71) 52 (73)
 No education reported: n (%) 61 (11) 16 (8) 25 (16) 6 (9)
Insurance Type     
 Medicare/Medicaid: n (%) 162 (29) 68 (32) 29 (15) 11 (15)
 No fault: n (%) 4 (1) 3 (1) 10 (5) 5 (7)
 Workers compensation: n (%) 33 (6) 14 (7) 11 (6) 6 (8)
 Other (private, others): n (%) 322 (59) 124 (59) 128 (67) 49 (69)
 None: n (%) 1 (0.001) 0 (0) 0 (0) 0 (0)
 Not reported: n (%) 26 (5) 2 (1) 13 (7) 0 (0)
Occupation     
 White collar worker: n (%) 159 (29) 62 (29) 71 (37) 24 (34)
 Blue collar worker: n (%) 85 (16) 29 (14) 24 (13) 10 (14)
 Other: n (%) 0 (0) 0 (0) 0 (0) 0 (0)
 Not reported: n (%) 58 (10) 15 (7) 24 (13) 6 (8)
Work Status     
 Working full time/part time: n (%) 273 (50) 106 (50) 118 (62) 46 (64)
 Retired: n (%) 55 (10) 24 (4) 12 (6) 6 (8)
 Mainly not working during the last 12 months: n (%) 373 (68) 152 (28) 57 (30) 22 (31)
 Currently not working: n (%) 231 (42) 89 (42) 103 (54) 37 (52)
 Not working because of ill health or pain: n (%) 95 (17) 40 (19) 20 (10) 7 (10
Not working because of main complaint     
 Job-related injury: n (%) 28 (5) 13 (6) 10 (5) 1 (1)
 Workers compensation case to the main complaint: n (%) 22 (4) 11 (5) 7 (4) 6 (8)
 Limited duty: n (%) 18 (3) 7 (3) 4 (2) 1 (1)
Pain-related     
 Acute: to 6 weeks: n (%) 39 (8) 17 (8) 17 (9) 4 (6)
 Subacute: 6 to 12 weeks: n (%) 79 (14) 34 (16) 30 (16) 17 (24)
 Chronic: more than 12 weeks: n (%) 363 (66) 137 (65) 119 (62) 46 (65)
 No pain duration reported: n (%) 67 (12) 23 (11) 25 (13) 4 (6)
 Sciatica/neck and arm pain: n (%) 44 (8) 27 (13) 4 (2) 0 (0)
 Time under therapy: median (IQR) days   44 (32; 67)   46 (35; 63)
Self-reported measures     
 Baseline ODI/NDI: median, IQR 30 (18; 47) 28 (18; 45) 15 (9; 22) 13.3 (10; 20)
 End of treatment ODI/NDI: median, IQR 20 (10; 36) 10 (5; 15)
 No end of treatment ODI/NDI 13 2
 Baseline NRS: median, IQR 6 (4; 8) 7 (4; 8) 6 (4; 7) 6 (3; 7)
 No baseline NRS 50 17 21 3
 End of treatment NRS: median, IQR 4.5 (3; 7) 4 (2; 5)
 No end of treatment NRS 165 50
 Baseline FABQ-W: median, IQR 9 (0; 21) 7 (0; 18) 11 (3; 21) 13 (1; 22)-
 High FABQ-W (>25): n (%) 80 (15) 27 (13) 30 (16) 15 (21)
 No baseline FABQ-W 57 (10) 26 (12) 24 (13) 3 (4)
 End of treatment FABQ-W: median, IQR 6 (0; 17) 10 (0; 16)
 No end of treatment FABQ-W  
 Baseline FABQ-P: median, IQR 15 (12; 19) 15 (11; 18) 15 (11; 19) 15 (9; 19)
 High FABQ-P (>15): n (%) 231 (42) 92 (44) 75 (39) 18 (25)
 No baseline FABQ-P 40 12 20 (10) 2 (2.8)
 End of treatment FABQ-P: median, IQR 12 (6.75, 16.3) 11 (3; 21)
 No end of treatment FABQ-P 43 15 (4.7)
  1. n number of subjects; IQR interquartile range; ODI Oswestry Disability Index (range 0–100), NDI Neck Disability Index (range 0–100); FABQ fear avoidance questionnaire; FABQ-W work sub-scale (range 0–42); FABQ-P physical activity subscale (range 0–24); BMI body mass index