Table 4.

Linguistic Inquiry and Word Count 2001, 2007, and 2015 sensitivity and specificity with 95% CI (N=63)^a.

Emotion categories	2001 sensitivity (95% CI)	2007 sensitivity (95% CI)	2015 sensitivity (95% CI)	2001 specificity (95% CI)	2007 specificity (95% CI)	2015 specificity (95% CI)
Total affect	0.858a,b (0.845-0.871)	0.896b (0.884-0.906)	0.904c (0.894-0.915)	0.967 (0.966-0.968)	0.955 (0.954-0.956)	0.955 (0.954-0.956)
Positive emotion	0.873b,c (0.855-0.889)	0.913b (0.898-0.927)	0.928 (0.915-0.941)	0.976 (0.975-0.977)	0.967 (0.966-0.967)	0.967 (0.958-0.976)
Negative emotion	0.822 (0.803-0.839)	0.814 (0.793-0.834)	0.810 (0.789-0.830)	0.990 (0.990-0.991)	0.987 (0.987-0.988)	0.988 (0.982-0.994)
Anxiety	0.862 (0.829-0.888)	0.892 (0.863-0.916)	0.883 (0.856-0.910)	0.998 (0.998-0.999)	0.997 (0.996-0.997)	0.997 (0.993-1.00)
Anger	0.663 (0.591-0.729)	0.679 (0.607-0.744)	0.695 (0.629-0.761)	0.998 (0.998-0.999)	0.998 (0.998-0.999)	0.999 (0.995-1.00)
Sadness	0.699c (0.645-0.748)	0.718d (0.664-0.766)	0.856c,d (0.818-0.895)	0.997 (0.997-0.998)	0.997 (0.997-0.997)	0.997 (0.991-1.00)

^aP value corrected after Bonferroni P<.0021 (P=alpha/N).

^bSignificant difference between Linguistic Inquiry and Word Count 2001 and Linguistic Inquiry and Word Count 2007 at P<.0021.

^cSignificant difference between Linguistic Inquiry and Word Count 2001 and Linguistic Inquiry and Word Count 2015 at P<.0021.

^dSignificant difference between Linguistic Inquiry and Word Count 2007 and Linguistic Inquiry and Word Count 2015 at P<.0021.