Table 4.

ALS cohort stratified by behavioral category, displaying % of endorsed items per group

BBI symptom	No behavior change (n = 180)	Mild‐moderate behavioral change (n = 95)	Clinically severe behavioral change (n = 42)
Increased irritability	35.7	32.6	46.3
Less aware of physical senses	3.6	22.3	53.8
Difficulties with conversation	7.7	36.8	60
Not aware of mistakes	4.7	36.8	82.5
Less reactive to difficulties	8.3	48.4	87.5
Acts without thinking	7.7	36.8	82.9
Emotional lability	28.7	57.4	76.2
Lack of appropriate embarrassment	6.5	33	65
Less concerned about others	0.6	30.5	71.4
More selfish behavior	1.8	19.1	43.9
New unusual habits	19.8	44.7	66.4
More withdrawn	3.6	21.1	68.3
Perseverative speech	6.5	26.3	51.2
Less concerned about hygiene	17.2	52.1	82.9
More aggressive	2.4	21.1	61.9
Obsessive counting	0	3.2	20
Excessively storing food in mouth	0	9.5	31
Eats much more	5.9	13.7	22
Hyperorality	0.6	0	14.6
Overly sensitive to stimuli (Noise)	15.3	41.1	51.2
New food preferences	5.3	33.7	35.7
Less picky about food	1.8	26.3	31.7
Difficulty with everyday language	8.4	27.7	65.9
Smokes more	4.9	9.4	14.3
Change in sexual interest	7.9	17.1	33.3
Sees/Hears Things/People	0	3	11.8
New bizarre beliefs	0	9.1	17.6
Repetitious behavior	4.1	25.5	53.7
Repeats phrases again and again	0	12.8	53.7
Dislikes change in routine	4.1	25.6	54.8
Seeks social contact	1.2	12.6	43.9
Constantly aligns things	0.6	13.4	48.8
Overly concerned with neatness	0.6	4.3	20
Constantly checking clocks etc.	0.6	8.5	29.3
Shows less emotion	1.2	22.3	61
Acts inappropriately in public	0	4.2	31.7
Developed unusual rituals	0	1.1	2.6
Hoards, hides, or collects things	0.6	6.3	35
Handles things for no reason	0	0	22
More distractible	4.7	35.8	65.9
Mimics/Repeats Words/Phrases	0	5.3	39