Table 4.

Descriptive analysis of LIWC word use by patients and companions

LIWC word category	Mean frequency (SD)	Median	Range
Total patient word count	699.8 (788.6)	427	(5–4451)	Average % of total patient talk
Emotional expression	39.9 (41.6)	28	(1–264)	7.2%
Positive emotion	30.8 (32.3)	23	(1–199)	5.8%
Negative emotion	9.0 (11.0)	6	(0–65)	1.3%
Cognitive expression	122.6 (146.8)	70	(0–818)	16.6%
Total companion word count	501.1 (395.8)	383	(3–1792)	Average % of total companion talk
Emotional expression	26.7 (17.8)	24	(0–73)	6.7%
Positive emotion	20.6 (13.9)	18	(0–66)	5.4%
Negative emotion	6.0 (5.9)	4	(0–28)	1.3%
Cognitive expression	86.2 (71.9)	62	(0–334)	16.3%