Table 2 Content validation outcomes of the Persian JRPD questionnaire (N = 7)
Item | Description | CVI | CVR |
|---|---|---|---|
1 | I work with my hands at or above chest level | 0.93 | 1.00 |
2 | To get to or do my work, I must lay on my back or side and work with my arm up | 0.93 | 0.90 |
3 | I must hold or carry materials (or large stacks of files) during the course of my work | 1.00 | 1.00 |
4 | I force or yank components of work objects in order to complete a task | 0.90 | 0.90 |
5 | I reach / hold my arms in front of or behind my body (e.g. Using keyboard, filing, handling parts, perform inspection tasks, pushing/ pulling carts, etc.) | 1.00 | 0.90 |
6 | My neck is tipped forward or backward when I work | 0.96 | 1.00 |
7 | I cradle a phone or other device between my neck and shoulder | 1.00 | 0.70 |
8 | My wrists are bent (up, down, to the thumb, or little finger side) while I work | 0.93 | 1.00 |
9 | I apple pressure or hold an item /material /tool (e.g., screwdriver, spray gun, mouse, etc. in my hand for longer than 10 s at a time) | 0.96 | 0.90 |
10 | My work requires me to use my hands in a way that is similar to wringing out clothes | 1.00 | 0.90 |
11 | I perform a series of repetitive tasks/ movement during the normal course of my work (e.g. using keyboard, tightening fastener, cutting meat, etc.) | 0.93 | 1.00 |
12 | The work surface (e.g., desk, bench, etc.) or tool(s) that I use presses into my palm(s),wrist(s), or against the sides of my fingers leaving red marks on or beneath the skin | 0.93 | 1.00 |
13 | I use my hand/ palm like a hammer to do aspects of my work | 0.96 | 1.00 |
14 | My hands and fingers are cold when I work | 0.90 | 0.80 |
15 | I work at a fast pace to keep up with the machine production quota or performance incentive | 0.83 | 0.80 |
16 | The tool(s) that I use vibrates and/ or jerks my hand(s)/arm(s) | 1.00 | 1.00 |
17 | My work requires that I repeatedly throw or toss items | 0.96 | 0.90 |
18 | My work requires me to twist my forearms, such as turning a screwdriver | 1.00 | 1.00 |
19 | I wear gloves that are bulky, or reduce my ability to grip | 0.96 | 0.70 |
20 | I squeeze or pinch work objects with a force similar to that which is required to open a lid on a new jar | 0.90 | 0.80 |
21 | I grip work objects or tools as if I am griping tightly onto a pencil | 0.86 | 0.80 |
22 | When I lift, move components, or do other aspects of my work, my hands are lower than my knees | 0.83 | 1.00 |
23 | I lean forward continually when I work (e.g., when sitting, when standing, when pushing carts, etc.) | 0.93 | 0.90 |
24 | The personal protective equipment or clothing that I wear limits or restricts my movement | 1.00 | 0.80 |
25 | I repeatedly bend my back (e.g., forward, backward, to the side, or twist) in the course of my work | 1.00 | 1.00 |
26 | When I lift, my body is twisted and/ or I lift quickly | 0.96 | 0.80 |
27 | I can feel vibration through the surface that I stand on, or through my seat | 0.90 | 0.90 |
28 | I lift and/ or carry items with my hand | 1.00 | 0.90 |
29 | I lift or handle bulky items | 1.00 | 1.00 |
30 | I lift materials that weigh more than 25 pounds | 0.96 | 0.90 |
31 | My work requires that I kneel or squat | 1.00 | 1.00 |
32 | I must constantly move or apply pressure with one or both feet (e.g. using foot pedals, driving, etc.) | 0.96 | 0.90 |
33 | When I’m sitting, I cannot rest both feet flat on the floor | 0.80 | 1.00 |
34 | I stand on hard surface | 1.00 | 0.90 |
35 | I can see glare on my computer screen or work surface | 0.76 | 0.60 |
36 | It is difficult to hear a person on the phone or to concentrate because of other activity, voices, or noise in/ near my work area | 0.83 | 0.60 |
37 | I must look at the monitor screen constantly so that I do not miss important information (e.g. radar scope) | 0.93 | 0.60 |
38 | It is difficult to see what I am working with (monitor, paper, parts, etc.) | 0.76 | 0.60 |