Proposal of the instrument work-related musculoskeletal disorders index

Moraes, Paulo Wenderson Teixeira; Bastos, Antonio Virgílio Bittencourt

doi:10.5935/2595-0118.20190047

Paulo Wenderson Teixeira Moraes Correspondence to: Universidade do Estado da Bahia Rua Silveira Martins, 2555 - Cabula 41150-000 Salvador, BA, Brasil. E-mail: pwmoraes@yahoo.com

Universidade Estadual da Bahia, Salvador BA, Brasil.

http://orcid.org/0000-0001-8037-0906

Antonio Virgílio Bittencourt Bastos

Universidade Federal da Bahia, Salvador, BA, Brasil.

http://orcid.org/0000-0002-1322-5749

Correspondence to: Universidade do Estado da Bahia Rua Silveira Martins, 2555 - Cabula 41150-000 Salvador, BA, Brasil. E-mail: pwmoraes@yahoo.com

Conflict of interests: none - Sponsoring sources: Fundação de Amparo à Pesquisa da Bahia (FAPESB).

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Figure 1
Histogram of the frequency distribution of the musculoskeletal disorders index

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Figure 2
Distribution of the musculoskeletal disorders index around the respective means of the MD and RSI/WRMD groups

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Table 1
Specification of the components of the musculoskeletal disorder equation

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Table 2
Summary of results of the exploratory factor analysis of musculoskeletal disorders index (n=182)

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1. Gender ❑ Male ❑ Female 3. Marital status 5. Nº of children 2. Idade anos 4. Nº de dependentes 6. Idade do filho caçula: 7. What is your level of education? (Specify the course) 7.1 Are you studying? ❑ Yes ❑ No ❑ High school completed ❑ Incomplete higher education ❑ Maters' degree ❑ Complete higher education ❑ PhD ❑ Post-Graduation 8. How old were you when you start working? years 8.1 Length of service in the organization years 9. What's your religion? ❑ I have no religion Are you practising? ❑ Yes ❑ No ❑ Catholic ❑ Protestant ❑ Spiritist ❑ UDV ❑ Buddhist ❑ Candomblé ❑ Other:

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1. Have you ever been diagnosed with RSI/WRMD? ❑ No ❑ Yes When? a. Which doctor made the diagnosis? ❑ From the public health service ❑ From the bank ❑ Private ❑ From the Union ❑ Other: b. Do you have a specific diagnosis? ❑ Tendonitis ❑ Tenosynovitis ❑ Epicondylitis ❑ Carpal tunnel syndrome ❑ Bursitis ❑ Other: 2. Are you currently: ❑ Recovered ❑ Under treatment ❑ In professional rehabilitation 3. Have you ever missed work because of RSI/WRMD? ❑ No ❑ Yes For how long? 4. Have you been on sick leave due to RSI/WRMD? ❑ No ❑ Yes For how long? 5. Are you currently on sick leave? ❑ No ❑ Yes For how long?

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1. Have you experienced any discomfort in your upper limbs or spine in the past 40 days? Mark the site(s) with an "X" in the figure below.

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2. When did the discomfort begin, were you at the current job? ❑ No ❑ Yes 3. How long have you been feeling this discomfort? ❑ Up to 1 month ❑ 1 to 3 months ❑ 3 to 6 months ❑ 6 to 12 months ❑ 1 to 2 years ❑ more than 2 years 4. What you feel, you rate as: ❑ 1. Insignificant ❑ 2. Mild ❑ 3. Moderate ❑ 4. Strong ❑ 5. Very strong ❑ 6. Unbearable 5. Write down the most critical site(s) of discomfort (1st to 3rd) and tick the types of sensation below. Body site: 1º: 2º: 3º: Types of sensation: ❑ Fatigue ❑ Fatigue ❑ Fatigue ❑ Shocks ❑ Shocks ❑ Shocks ❑ Pain ❑ Pain ❑ Pain ❑ Crackling ❑ Crackling ❑ Crackling ❑ Numb ❑ Numb ❑ Numb ❑ Weight ❑ Weight ❑ Weight ❑ Loss of strength ❑ Loss of strength ❑ Loss of strength ❑ Feeling sore ❑ Feeling sore ❑ Feeling sore ❑ Tingling ❑ Tingling ❑ Tingling 6. Does what you feel increase when you are working? ❑ No ❑ Yes When? (Answer below) ❑ During the normal working hours ❑ During overtime ❑ At night work ❑ At peak times 7. What do you feel improves with rest? ❑ No ❑ Yes When? (Answer below) ❑ When taking turns with other tasks ❑ During break time ❑ At lunch break ❑ When worktime is over ❑ At night ❑ On weekends ❑ On vacation 8. Has the discomfort affected other activities outside of work? ❑ No ❑ Very little ❑ A little ❑ Somehow ❑ A lot ❑ Very much ❑ Completely 9. Has the discomfort affected your work productivity? ❑ No ❑ Very little ❑ A little ❑ Somehow ❑ A lot ❑ Very much ❑ Completely 10. Are you taking drugs or using patches or bandage to work? ❑ No ❑ Very little ❑ A little ❑ Sometimes ❑ A lot ❑ Almost always ❑ Everyday 11. Have you had any medical treatment? ❑ No ❑ Yes Which: 12. Do you practice physical activity? ❑ No ❑ Very little ❑ A little ❑ Somehow ❑ A lot ❑ Almost always ❑ Everyday 13. What type of physical activity?

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	Keywords	Sources
"p"	Number of body parts affected by discomfort	Question 1
"t_r"	Indicates if symptoms started in the current job	Question 2
"t"	Length of service in the organization	Demographic data
"d"	Length of discomfort time, whose assigned value ranges from "1" (up to one month) to "6" (more than two years)	Question 3
"i"	intensity, whose assigned value ranges from "1" (insignificant) to "6" (unbearable)	Question 4
"s"	Feeling Types	Question5
"t_ra"	Assessment of increased work discomfort, whose value is "zero" (no) or "1" (yes)	Question 6
"q_tra"	Period when work discomfort increases where "peak hours" equals "1" and "during normal hours" equals "4"	Question 6 (Cont.)
"r_ep"	Improves with rest, which the assigned value is "zero" (no) or "1" (yes)	Question 7
"q"	Period when there is an improvement ranging from "7" (during relay on other tasks) to "1" (on vacation), where q equals zero when not improving with rest	Question 7 (Cont.)
"a"	Impact on other activities, which the assigned value ranges from "zero" (not) to "6" (completely)	Question 8
"i_m"	Impact on productivity, which the assigned value ranges from "zero" (not) to "6" (completely)	Question 9
"r_em"	Use of drugs or compresses to work, which the assigned value ranges from "zero" (not) to "6" (every day)	Question 10

			Components
			1	2	3
Scope and intensity of pain	Q8	Affects other activities outside of work	.869	-.207	.054
	Q9	Affects productivity	.868	-.053	-.126
	Q10	Has been taking drugs to work	.803	.015	.057
	Q4	Pain intensity	.766	.002	.198
	Q1	No. of body parts	.758	.072	-.054
	Q5	No. of sensations	.749	.138	-.211
Relationship with work	Q2	Started at current job^* * multiplied by the length of service	-.147	.925	.057
Relationship with work	Q6	What you feel increases with work^* * multiplied by the length of service	.121	.819	-.063
Chronicity of pain	Q7	Improves with rest	-.092	-.022	.943
Chronicity of pain	Q3	Time when you feel discomfort	.393	.163	.403
Eigenvalues			4.436	1.319	1.100
% f variance explained			44.4	13.2	10.9
Cronbach's Alpha			0.884	0.701	0.325

IDORT = [(Σ p_{*} 10 / 8) + (t_{r}_{*} t_{*} 10 / 30) + (d_{*} 0 / 6) + (i_{*} 10 / 6) + (Σ s_{*} 10 / 9) + {(t_{ra} + q_{tra})}_{*} t_{*} 2 / 30 + (10 - r_{ep} - q) + (a_{*} 10 / 6) + (i_{m}_{*} 10 / 6) + (r_{em}_{*} 10 / 6)] / 10 .

2. When did the discomfort begin, were you at the current job?						❑ No	❑ Yes
3. How long have you been feeling this discomfort?
❑ Up to 1 month	❑ 1 to 3 months	❑ 3 to 6 months	❑ 6 to 12 months		❑ 1 to 2 years	❑ more than 2 years
4. What you feel, you rate as:
❑ 1. Insignificant	❑ 2. Mild	❑ 3. Moderate	❑ 4. Strong		❑ 5. Very strong	❑ 6. Unbearable
5. Write down the most critical site(s) of discomfort (1st to 3rd) and tick the types of sensation below.
Body site:	1º:		2º:			3º:
Types of sensation:	❑ Fatigue		❑ Fatigue			❑ Fatigue
	❑ Shocks		❑ Shocks			❑ Shocks
	❑ Pain		❑ Pain			❑ Pain
	❑ Crackling		❑ Crackling			❑ Crackling
	❑ Numb		❑ Numb			❑ Numb
	❑ Weight		❑ Weight			❑ Weight
	❑ Loss of strength		❑ Loss of strength			❑ Loss of strength
	❑ Feeling sore		❑ Feeling sore			❑ Feeling sore
	❑ Tingling		❑ Tingling			❑ Tingling
6. Does what you feel increase when you are working?					❑ No	❑ Yes When? (Answer below)
❑ During the normal working hours		❑ During overtime		❑ At night work		❑ At peak times
7. What do you feel improves with rest?					❑ No	❑ Yes When? (Answer below)
❑ When taking turns with other tasks				❑ During break time		❑ At lunch break
❑ When worktime is over		❑ At night		❑ On weekends		❑ On vacation
8. Has the discomfort affected other activities outside of work?
❑ No	❑ Very little	❑ A little	❑ Somehow		❑ A lot	❑ Very much	❑ Completely
9. Has the discomfort affected your work productivity?
❑ No	❑ Very little	❑ A little	❑ Somehow		❑ A lot	❑ Very much	❑ Completely
10. Are you taking drugs or using patches or bandage to work?
❑ No	❑ Very little	❑ A little	❑ Sometimes		❑ A lot	❑ Almost always	❑ Everyday
11. Have you had any medical treatment?			❑ No		❑ Yes	Which:
12. Do you practice physical activity?
❑ No	❑ Very little	❑ A little	❑ Somehow		❑ A lot	❑ Almost always	❑ Everyday
13. What type of physical activity?

[1] Correspondence to: Universidade do Estado da Bahia Rua Silveira Martins, 2555 - Cabula 41150-000 Salvador, BA, Brasil. E-mail: pwmoraes@yahoo.com

Brasil

Brasil

Proposal of the instrument work-related musculoskeletal disorders index

ABSTRACT

BACKGROUND AND OBJECTIVES:

METHODS:

RESULTS:

CONCLUSION:

1. Gender	❑ Male		❑ Female		3. Marital status			5. Nº of children
2. Idade	anos				4. Nº de dependentes			6. Idade do filho caçula:
7. What is your level of education? (Specify the course)					7.1 Are you studying? ❑ Yes ❑ No
❑ High school completed		❑ Incomplete higher education
❑ Maters' degree		❑ Complete higher education
❑ PhD		❑ Post-Graduation
8. How old were you when you start working?				years		8.1 Length of service in the organization			years
9. What's your religion?			❑ I have no religion				Are you practising? ❑ Yes ❑ No
❑ Catholic	❑ Protestant		❑ Spiritist		❑ UDV		❑ Buddhist	❑ Candomblé	❑ Other: