Volume 11, Number 8—August 2005
Dispatch
Posttraumatic Stress after SARS
Table 2
Summary of multiple regression analyses of IES-R and HADS subscales (N = 131)*
Predictor variables | B | ß | sr2 | R | R2 | Overall F |
---|---|---|---|---|---|---|
Regression analysis to predict IES–R intrusion score | ||||||
Subjective threat | 0.12 | 0.18 | 0.03† | 0.22‡ | ||
Emotional support | –0.17 | –0.18 | 0.03† | –0.21‡ | ||
SaO2 | –0.04 | –0.22 | 0.04† | –0.26‡ | 0.13 | F3, 127 = 6.57§ |
Regression analysis to predict IES–R hyperarousal score | ||||||
Subjective threat | 0.13 | 0.19 | 0.04† | 0.22‡ | ||
Emotional support | –0.14 | –0.15 | 0.02 | –0.17† | ||
SaO2 | –0.02 | –0.13 | 0.02 | –0.16† | 0.09 | F3, 127 = 4.15† |
Regression analysis to predict IES–R avoidance score | ||||||
Subjective threat | 0.15 | 0.22 | 0.05‡ | 0.26‡ | ||
Emotional support | –0.17 | –0.19 | 0.03† | –0.22‡ | ||
SaO2 | –0.05 | –0.24 | 0.06‡ | –0.29§ | 0.17 | F3, 127 = 8.62§ |
Regression analysis to predict HADS anxiety score | ||||||
Subjective threat | 0.73 | 0.18 | 0.03† | 0.20‡ | ||
Emotional support | –0.77 | –0.13 | 0.02 | –0.15† | ||
SaO2 | –0.16 | –0.12 | 0.01 | –0.15† | 0.07 | F3, 127 = 3.43* |
Regression analysis to predict HADS depression score | ||||||
Subjective threat | 0.24 | 0.06 | 0.00 | 0.09 | ||
Emotional support | –10.03 | –0.18 | 0.03† | –0.20† | ||
SaO2 | –0.18 | –0.14 | 0.02 | –0.16† | 0.06 | F3, 127 = 20.91† |
*IES-R, Impact of Event Scale – Revised; HADS, Hospital Anxiety and Depression Scale, Subjective threat, subjective sense of threat; emotional support, number of persons one could talk to and share worries with; SaO2, lowest level of blood oxygen saturation during hospitalization.
†p<0.05.
‡p<0.01.
§p<0.001.