Table 3.

Example symptom items factorized together under memory-attention and physical subscales of BISQ.

Memory and attention items

Physical symptom items

Becoming confused in familiar places Being easily distracted Forgetting what happened yesterday Forgetting names of people Forgetting to turn off appliances Difficulty making decisions Difficulty solving problems Difficulty planning future events Difficulty following instructions, written or oral Difficulty learning new skills and information Forgetting what you just read Difficulties with reading, writing and math Difficulty making conversation

Having trouble staying awake Having trouble falling asleep or staying asleep Having trouble waking up after sleep or a nap Feeling cold Feeling dizzy Experiencing ringing in the ears or having trouble hearing Having double vision or blurred vision Food not tasting right Having headaches Increased or decreased sexual interest or behavior Avoiding family members or friends