Table 4

Associations between individual Clinical Record Interactive Search Negative Symptoms Scale (CRIS-NSS) components and readmission risk/duration of admission in 2011

Negative symptomReadmission risk (binary logistic regression) (n=1612)Duration of admission (linear regression) (n=1590)
UnadjustedAdjusted*UnadjustedAdjusted*
OR (95% CI)p ValueOR (95% CI)p Valueβ-coefficient (95% CI)p Valueβ-coefficient (95% CI)p Value
Poor motivation1.40 (1.13 to 1.74)0.0021.29 (1.03 to 1.61)0.02623.0 (9.1 to 36.9)0.00119.1 (5.0 to 33.2)0.008
Blunted or flattened affect1.34 (1.08 to 1.65)0.0071.20 (0.97 to 1.50)0.09712.8 (−1.2 to 26.8)0.0738.3 (−5.7 to 22.4)0.242
Poor eye contact1.60 (1.30 to 1.98)<0.0011.48 (1.19 to 1.83)<0.00118.0 (4.2 to 31.8)0.01114.8 (0.9 to 28.6)0.036
Emotional withdrawal1.62 (1.30 to 2.02)<0.0011.49 (1.19 to 1.87)0.00132.5 (18.1 to 46.9)<0.00130.0 (15.6 to 44.4)<0.001
Poor rapport1.63 (1.29 to 2.06)<0.0011.50 (1.18 to 1.90)0.00123.1 (7.5 to 38.6)0.00421.1 (5.5 to 36.6)0.008
Social withdrawal1.16 (0.88 to 1.54)0.2911.02 (0.76 to 1.36)0.91116.4 (−2.9 to 35.7)0.0959.2 (−10.1 to 28.6)0.349
Poverty of speech1.30 (0.98 to 1.70)0.0641.12 (0.85 to 1.49)0.41613.2 (−5.8 to 32.2)0.1738.5 (−10.5 to 27.5)0.379
Mute1.71 (1.27 to 2.30)<0.0011.56 (1.15 to 2.12)0.00428.5 (7.9 to 49.1)0.00729.2 (8.6 to 49.7)0.005
Apathy1.02 (0.71 to 1.47)0.9140.93 (0.64 to 1.35)0.69232.5 (6.7 to 58.2)0.01327.4 (1.8 to 53.1)0.036
Concrete thinking1.37 (0.94 to 2.01)0.1001.25 (0.85 to 1.84)0.25016.8 (−10.2 to 43.9)0.22211.3 (−15.5 to 38.1)0.407
  • *Adjusted for age, sex, marital status, employment status, presence of hallucinations/delusions and depression.