Skip to main content

Table 1 Description (mean and standard deviation: SD) of anthropometric, schooling and clinical/ psychosocial data of patients recruited in this study (n = 108)

From: The Brazilian Portuguese version of the Exercise Adherence Rating Scale (EARS-Br) showed acceptable reliability, validity and responsiveness in chronic low back pain

Sample
 Pre-testing sample Mean (SD)Reliability sample Mean (SD)Responsiveness sample Mean (SD)Validity sample Mean (SD)ANOVA (F(3, 288), p)
Sample Size257683108 
Age46.33 (10.51)46.84 (10.06)46.71 (9.89)46.62 (9.98)0.01, p = 0.98
Weight80.72 (19.44)77.33 (14.93)77.77 (14.84)78.47 (16.01)0.32, p = 0.72
Height1.68 (0.10)1.67 (0.08)1.66 (0.08)1.68 (0.09)0.29 p = 0.74
Pain intensity3.52 (2.27)4.08 (2.91)4.08 (2.87)3.95 (2.74)0.40, p = 0.66
Years lived with pain7.80 (5.77)6.06 (6.47)6.06 (6.54)6.74 (6.48)0.71, p = 0.49
Female prevalence (%)64% (n = 16)67% (n = 52)55% (n = 45)57% (n = 61)0.28, p = 0.75
Level of educationa1.6 (0.57)1.69 (0.73)1.6 (0.72)1.6 (0.69)0.19, p = 0.82
Mean score (SD)
 EARS16.28 (6.32)17.91 (6.71)17.75 (6.62)17.41 (6.55)0.48, p = 0.61
 EARS-RA23.36 (7.39)25.14 (6.41)27.45 (6.67)26.50 (7.03)3.34, p = 0.03*
 HADS anxiety (0–21)9.64 (4.07)7.34 (3.97)8.39 (3.71)9.10 (3.79)0.32, p = 0.72
 HADS depression (0–21)6.60 (4.18)5.36 (4.00)6.66 (3.78)6.64 (3.79)0.00, p = 0.99
 PESQ (0–60)36.64 (17.57)44.75 (13.58)40.13 (15.27)39.32 (15.81)0.46, p = 0.62
 PCS magnification (0–12)5.40 (3.13)4.68 (3.31)4.76 (3.32)4.91 (3.27)0.07, p = 0.92
 PCS rumination (0–16)7.56 (3.90)7.57 (3.44)7.66 (3.51)7.64 (3.58)0.03, p = 0.97
 PCS helplessness (0–24)8.36 (6.05)8.48 (5.96)8.47 (5.98)8.44 (5.96)0.13, p = 0.87
 FABQ phys (0–24)12.56 (6.70)10.73 (6.96)14.30 (6.79)13.89 (3.78)0.63, p = 0.53
 FABQ work (0–42)27.8 (12.35)21.77 (13.09)25.04 (13.61)25.68 (13.32)0.40, p = 0.66
 RMDQ (0–24)12.8 (6.29)11.69 (5.88)13.42 (5.36)13.27 (5.57)0.11, p = 0.88
  1. aLevel of education: 1 = Incomplete/complete basic education; 2 = Incomplete/complete high school; 3 = Incomplete/complete higher education
  2. EARS = Exercise Adherence Rating Scale; EARS-RA = Exercise Adherence Rating Scale, reasons for adherence; HADS = Hospital Anxiety and Depression Scale; PESQ = Pain Self-Efficacy Questionnaire; PCS = Pain Catastrophizing Scale; FABQ = Fear Avoidance Beliefs Questionnaire; RMDQ = Roland Morris Disability Questionnaire; MMSE = Mini-Mental State Examination
  3. n = sample size. *p < 0.05