Skip to main content
. Author manuscript; available in PMC: 2019 Oct 9.
Published in final edited form as: NeuroRehabilitation. 2016 Jun 30;39(3):371–387. doi: 10.3233/NRE-161369

Table 3.

Safety assessment measure: Scales, items, and content validity

Scale and Associated Item Pool (n = 126 total items) I-CVI Mean Activity/Cause Primary Harm to:
Cognitive Capacity (n = 21 items)
Crosses street inappropriately (e.g., does not look, misinterprets walk signs, misjudges traffic) 100% 3.96 Transportation Self
Mistakenly takes wrong dose of medication (e.g. too little, takes twice) 100% 3.96 Medical Management Self
Forgets to take prescribed medication (e.g. seizure, diabetes, high blood pressure) 100% 3.92 Medical Management Self
Uses other people’s prescribed medications (e.g. pain, sleep) 100% 3.92 Medical Management Self
Does not know when an injury or illness requires medical care (e.g. deep cut, chest pain) 100% 3.77 Medical Management Self
Leaves cooking food unattended 100% 3.67 Fire/Burns Self. Property
Forgets to use mitt or towel when picking up hot items 100% 3.63 Fire/Burns Self
Leaves flammable items too close to fire (e.g. paper bag near burner) 96% 3.74 Fire/Burns Self, Property
Forgets to turn off appliances (e.g. stove, iron, space heater) 96% 3.74 Fire/Burns Self, Property
Does not respond to emergency alarms (e.g. smoke, carbon monoxide, weather) 93% 3.81 Emergency Response Self
Sets stove burner too high 93% 3.30 Fire/Burns Self, Property
Does not follow emergency procedures 89% 3.76 Emergency Response Self
Forgets to avoid foods that cause allergic reaction 85% 3.30 Eating Self
Unable to find way if lost in the community 82% 3.44 Avoid Harmful Others Self
Forgets to lock doors and windows when leaving home 74% 2.85 Money, Possessions Property
Misuses microwave (e.g. puts metal objects inside, burns food) 74% 2.81 Electric, Equipment Property
Loses wallet or purse 67% 2.81 Money, Possessions Property
Forgets to put medications away 62% 2.76 Poisoning Others
Forgets to put sharp objects away (e.g., scissors, knives) 62% 2.71 Sharp Objects Others
* Does not react appropriately to warning signs (e.g. wet floor, construction, etc.) NR NR Avoid Harmful Others Self
* Does not check surroundings before walking through a parking lot NR NR Transportation Self
Visuomotor Capacity (n = 14 items)
Loses balance when walking up or down stairs 100% 3.85 Falls Self
Does not move to an exit in an emergency 100% 3.81 Emergency Response Self
Loses balance getting in or out of tub 100% 3.74 Falls Self
Loses balance getting in and out of car 96% 3.67 Falls Self
Loses balance while getting on or off toilet 96% 3.63 Falls Self
Loses balance when attempting to stand from a sitting position 96% 3.56 Falls Self
Loses balance when reaching forward 96% 3.41 Falls Self
Trips on things (e.g., curbs, objects, uneven surfaces) 93% 3.38 Falls Self
Loses balance when walking on fiat surfaces 93% 3.59 Falls Self
Loses balance when carrying objects 93% 3.52 Falls Self
Trips when walking in low lit areas 93% 3.41 Falls Self
Loses balance when dressing 89% 3.44 Falls Self
* Bumps into walls, objects, or people NR NR Transportation Self, Property
* Trips when walking in well lit areas NR NR Falls Self
Wheelchair Use (n = 6 items)
Uses wheelchair in potentially dangerous environments (e.g. street, rough terrain) 93% 3.78 Wheelchair Use Self
Does not follow wheelchair precautions (e.g. locking brakes, wearing seatbelt, keeping fingers away from spokes, etc.) 89% 3.59 Wheelchair Use Self
Uses wheelchair without required assistance 85% 3.58 Wheelchair Use Self
Moves too fast in wheelchair 81% 3.27 Wheelchair Use Self, Others
Loses control of wheelchair (e.g. tips wheelchair) 81% 3.12 Wheelchair Use Self
* Backs up without checking for people or objects NR NR Wheelchair Use Self, Others
Risk Perception (n = 17 items)
Stands on unstable objects (e.g. chair with wheels, top step of ladder, cardboard box) 100% 3.85 Falls Self
Rides in a motor vehicle driven by someone who has been drinking or doing drugs 100% 3.77 Transportation Self
Inappropriately reveals personal information (e.g. bank acct number, social security number) 100% 3.73 Money, Possessions Property
Easily influenced to do risky behaviors 96% 3.63 Avoid Harmful Others Self, Property
Falls asleep while smoking 93% 3.85 Fire, Burns Self, Property
Invites strangers into home 93% 3.67 Avoid Harmful Others Self, Property
Operates equipment while drowsy (e.g., power tools, lawnmower) 93% 3.63 Electric, Equipment Self
Meets in person with strangers found on the internet 93% 3.58 Avoid Harmful Others Self, Property
Goes alone in dangerous areas (e.g. high crime, poorly lit areas) 89% 3.65 Avoid Harmful Others Self, Property
Jumps or dives into a body of water without knowing depth 85% 3.62 Recreation Self
Goes with stranger (e.g., gets in car, goes to home) 85% 3.60 Avoid Harmful Others Self, Property
Swings objects without looking for others in path (e.g., clubs, yard equipment) 85% 3.31 Recreation and Equip. Others, Property
Goes on slippery surfaces 82% 3.37 Falls Self
Easily tricked into giving strangers money 81% 3.19 Avoid Harmful Others Property
Readily gives money to family or friends without considering consequences 78% 3.04 Money, Possessions Property
Approaches unknown animals 74% 3.00 Avoid Harmful Others Self
Does not prepare for weather (e.g. dress warm on a cold day, wear sunscreen on sunny day) 67% 2.73 Recreation Self
Compliance Failures with Safety Recommendations (n = 20 items)
Refuses to take prescribed medications (e.g., seizure, diabetes, high blood pressure) 100% 3.96 Medical Management Self
Drives motor vehicle against recommendations 100% 3.89 Transportation Self, Others
Does not wear a helmet when recommended (e.g. bicycle, scooter, motorcycle) 100% 3.77 Transportation Self
Does not follow precautions when using electrical equipment (e.g. power tools, kitchen appliances) 100% 3.73 Electric, Equipment Self, Property
Does not follow precautions when using fire 100% 3.69 Fire, Burns Self, Property
Does not follow precautions when using sharp devices 100% 3.48 Sharp Objects Self
Uses firearms against recommendations 96% 3.78 Firearms Self, Others
Operates recreational vehicle (e.g. golf cart, boat, jet ski) against recommendations 96% 3.63 Recreation Self, Others
Climbs against recommendations (e.g., stool, ladder, stairs) 93% 3.62 Falls Self
Ignores advice to seek medical care 93% 3.48 Medical Management Self
Participates in sports or recreational activities against recommendations 93% 3.46 Recreation Self
Does not follow precautions on warning labels 93% 3.33 Medical/Fire, Burns Self
Is not responsible with firearms 91% 3.61 Firearms Self, Others
Does not wear a seatbelt 85% 3.44 Transportation Self
Does not follow exercise precautions (e.g. runs in severe heat, lifts too much weight) 85% 3.37 Recreation Self
Goes on amusement park rides (e.g. roller coaster) against recommendations 85% 3.22 Recreation Self
Ignores important diet restrictions for medical condition (e.g. diabetes, swallowing disorder) 82% 3.42 Medical/Eating Self
Goes in water without recommended supervision (e.g., bath, pool, natural body of water) 82% 3.35 Medical/Recreation Self
Does not follow precautions when using chemical solutions (e.g. mixing cleaning products, insecticide in closed space) 78% 3.40 Poisoning Self
Does not use recommended safety equipment (e.g., walker, safety rails, shower chair) 74% 3.20 Falls Self
Self Regulation (n = 20 items)
Physically attacks strangers 100% 3.89 Aggressive, Violent Self, Others
Easily provoked into physical fight 100% 3.78 Aggressive, Violent Self, Others
Makes unwelcome physical contact with others 100% 3.73 Sexual Self, Others
Keeps doing activities after being told to stop 100% 3.62 Falls/Transportation Self
Physically abuses family members or caregivers 96% 3.81 Aggressive, Violent Self, Others
Exchanges in sex for goods (e.g., money, drugs, cigarettes; pays for sex) 96% 3.69 Sexual Self, Others
Engages in unsafe sex (e.g., unprotected sex, one night stands, multiple partners) 96% 3.69 Sexual Self, Others
Shoves or pushes others 93% 3.48 Aggressive, Violent Self, Others
Physically abuses animals 92% 3.58 Aggressive, Violent Self, Animals
Wanders 89% 3.48 Avoid Harmful Others Self
Makes unwelcome sexual remarks 89% 3.33 Sexual Others
Throws, hits, or kicks objects in anger 89% 3.26 Aggressive, Violent Self, Others
Gambles excessively 88% 3.20 Money, Possessions Self, Property
Verbally abuses others 85% 3.52 Aggressive, Violent Others
Sends abusive or obscene messages (e.g. email, text, voicemail) 85% 3.31 Aggressive, Violent Self, Others
Tries to eat non-food items 85% 3.11 Poisoning Self
Cannot stop spending money 84% 3.12 Money, Possessions Self, Property
Verbally abuses family and friends 81% 3.36 Aggressive, Violent Self, Others
Takes other people’s things 81% 3.28 Aggressive, Violent Self, Others
Provokes animals 74% 2.93 Avoid Harmful Others Self, Animals
Motor Vehicle Operation (n = 19 items)
Does not stop at red lights or stop signs 100% 3.89 Transportation Self, Others
Texts messages while driving 100% 3.89 Transportation Self, Others
Does not yield when required (e.g. for pedestrians, before merging onto road) 100% 3.85 Transportation Self, Others
Does not look out for pedestrians or bicyclists 100% 3.85 Transportation Self, Others
Changes lanes without looking 100% 3.78 Transportation Self, Others
Operates motor vehicle when on sedating medications 100% 3.78 Transportation Self, Others
Backs up without looking 93% 3.78 Transportation Self, Others
Easily distracted when driving 93% 3.77 Transportation Self, Others
Talks on cell phone while driving 93% 3.70 Transportation Self, Others
Operates motor vehicle when drowsy 93% 3.63 Transportation Self, Others
Misjudges turns (e.g. hits curbs, goes too wide) 89% 3.58 Transportation Self, Others
Reacts slowly to changing traffic (e.g., missing traffic signs, not braking soon enough) 89% 3.54 Transportation Self, Others
Drives too closely behind other vehicles 89% 3.52 Transportation Self, Others
Makes illegal turns 87% 3.63 Transportation Self, Others
Drives too fast (15 + MPH over limit) 83% 3.33 Transportation Self, Others
Gets lost when driving 81% 3.33 Transportation Self
* Drifts out of lane NR NR Transportation Self, Others
* Impulsively exits or makes turns (e.g. crosses multiple lanes, swerves at last minute) NR NR Transportation Self, Others
* Forgets where he or she is going NR NR Transportation Self
Child Caretaking (n = 9 items)
Leaves children unattended (e.g., left alone in home, in bath, in park) 100% 4.00 Multiple Self, Others
Drives with child in the car after using alcohol or drugs 100% 3.96 Transportation Self, Others
Physically harmful to children 100% 3.93 Aggressive, Violent Self, Others
Does not buckle child in seatbelt, car seat, or booster seat 100% 3.85 Transportation Self, Others
Allows small child to ride in the front passenger seat 96% 3.65 Transportation Self, Others
Verbally harmful to children 93% 3.74 Aggressive, Violent Self, Others
* Leaves child in car while running errands NR NR Poisoning Self, Others
* Does not seek medical help when child is injured or ill NR NR Medical Management Self, Others
* Carries child despite physical limitations NR NR Falls Self, Others

Each SAM item was rated for its relevance to preventing unintentional injury or harm as follows: 1 = not at all important; 2 = somewhat important; 3 = very important; 4 = critically important. I-CVI = Item Level-Content Validity Index (the percentage of stakeholders who rated an item as very or critically important; Mean = Average of Item Level Content Validity Ratings; ‘*’ = items added as a result of feedback from the health provider focus groups or family interviews. NR = not rated because they were newly generated from feedback during the focus group and consumer rating sessions