Intra- and inter-rater reliability of the Individual Lifestyle Profile (ILP) questionnaire for individuals with musculoskeletal pain

Modenutte, Gabriela de Souza; Martins, Jaqueline; Hotta, Gisele Harumi; Oliveira, Anamaria Siriani de

doi:10.1590/1809-2950/18007426012019

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ORIGINAL RESEARCH • Fisioter. Pesqui. 26 (1) • Mar 2019 • https://doi.org/10.1590/1809-2950/18007426012019 copy

Intra- and inter-rater reliability of the Individual Lifestyle Profile (ILP) questionnaire for individuals with musculoskeletal pain

Authorship SCIMAGO INSTITUTIONS RANKINGS

ABSTRACT

The aim of this study was to test all the reliability properties of the Individual Lifestyle Profile (ILP) in patients with musculoskeletal pain. A total of 105 patients with musculoskeletal pain participated in this study after being recruited from a public secondary physical therapy care. ILP was applied by Rater 1 at the initial assessment and by Rater 2 after one hour. After three to seven days of the initial assessment, Rater 1 reapplied ILP. ILP and its components showed internal consistency from 0.27 to 0.61 and intra- and inter-rater reliability values from moderate to excellent (ICC=0.68 to 0.90) and from moderate to almost perfect (K=0.59 to 0.83). Percent agreement was 61% to 98%, the SEM of ILP was 4.1 points and the MDC was 5.7 points. We conclude that ILP is a reliable instrument to assess the lifestyle of patients with musculoskeletal pain.

Keywords
Reproducibility of Results; Musculoskeletal Pain; Lifestyle

Variables		Values
Age, mean (standard deviation)		58 (14.1)
Sex, N (%)		58 (14.1)
	Male / Female	20 (17)/101 (84)
Schooling, N (%)		20 (17)/101 (84)
	Semi-illiterate	1 (1)
	Some elementary school / Elementary school	46 (38)/23 (19)
	Some high school / High school	12 (10)/29 (24)
	Some college / College degree	6 (5)/4 (3)
Profession, N (%)		6 (5)/4 (3)
	Active / Retired or homemaker	62 (51)/59 (49)
Time of injury, N (%)		62 (51)/59 (49)
	1 to 6 months / >6 months	9 (7)/112 (93)
Comorbidities, N (%)		9 (7)/112 (93)
	No comorbidity	68 (56)
	Diabetes / High blood pressure	1 (1)/9 (7)
	Respiratory diseases	19 (16)
	Two or more of these comorbidities	24 (20)
Diagnostics (ICD), N (%)		24 (20)
	Arthroses (M15-M19)	26 (21.5)
	Internal derangement of the knee (M23)	1 (0.8)
	Other specified deforming dorsopathies (M43, M40-M54)	35 (28.9)
	Spondylosis (M47)	7 (5.8)
	Synovitis and tenosynovitis (M65)	1 (0.8)
	Other and unspecified soft tissue disorders (M70-M79)	37 (30.6)
	Osteopathies and chondropathies (M80-M94)	3 (2.5)
	Birth injury to peripheral nervous system (P14)	1 (0.8)
	Fracture of rib(s), sternum and thoracic spine (S22)	1 (0.8)
	Superficial injury of hip and thigh (S70) and fracture of lower limb (T12)	4 (3.3)
	Mononeuropathy of upper limb (G56)	5 (4.1)
		Mean (SD)	Profile
ILP (0-45 points)		29.7 (6.2)	regular
	Nutrition (0-3 points)	1.5 (0.8)	regular
	Physical activity (0-3 points)	1.5 (0.7)	regular
	Preventive health behavior (0-3 points)	2.7 (0.4)	positive
	Social relationships (0-3 points)	2.2 (0.7)	positive
	Stress control (0-3 points)	1.9 (0.7)	regular

	Cronbach’s Alpha (n=121)	ICC _2,1 (95%CI) Inter-rater (n=105)	ICC _2,1 (95%CI) Intra-rater (n=101)
Total ILP	0.61	0.83 (0.72; 0.89)	0.90 (0.86; 0.93)
Nutrition	0.46	0.84 (0.77; 0.89)	0.90 (0.85; 0.93)
Physical Activity	0.22	0.78 (0.69; 0.84)	0.68 (0.56; 0.78)
Preventive Health Behavior	0.24	0.74 (0.63; 0.82)	0.83 (0.75; 0.88)
Social Relationships	0.53	0.79 (0.64; 0.87)	0.86 (0.80; 0.91)
Stress Control	0.27	0.68 (0.54; 0.78)	0.83 (0.75; 0.88)

	Inter-rater (n=105)		Intra-rater (n=101)
	Proportion of Agreement	Kappa (95%CI)	Proportion of Agreement	Kappa (95%CI)
Total ILP	66%	0.71 (0.51; 0.91)	74%	0.83 (0.73; 0.93)
Nutrition	72%	0.77 (0.69; 0.86)	78%	0.83 (0.75; 0.90)
Physical Activity	71%	0.67 (0.54; 0.80)	61%	0.59 (0.44; 0.73)
Preventive Health Behavior	98%	NC	98%	0.83 (0.54; 1)
Social Relationships	81%	0.73 (0.59; 0.87)	82%	0.79 (0.69; 0.89)
Stress Control	65%	0.63 (0.50; 0.76)	80%	0.83 (0.74; 0,90)

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[1] Corresponding address: Anamaria Siriani de Oliveira - Prédio da Fisioterapia e Terapia Ocupacional da Faculdade de Medicina de Ribeirão Preto da Universidade de São Paulo - Avenida dos Bandeirantes, 3900 - Monte Alegre - Zip Code: 14049-900 - Ribeirão Preto (SP) - Brazil - E-mail: siriani@fmrp.usp.br - Phone: (+55) (16) 3315-4415