Table 2.
Prevelance of distress for odor categories among combat veterans with PTSD (CV+PTSD), without PTSD (CV-PTSD), and healthy controls (HC).
|
HC (N=21) |
CV-PTSD (N=22) |
CV+PTSD (N=30) |
Main effect of Dx | HC vs CV-PTSD | Post-hoc group comparisons HC vs CV+PTSD |
CV-PTSD vs CV+PTSD | |
|---|---|---|---|---|---|---|---|
| Odor Type | % distressed | % distressed | % distressed | χ2 (2, N=73) | p-value | p-value | p-value |
| Human Body Fluids/Excretions | 100.0 | 68.2 | 80.0 | χ2=7.60, p=.022 | 0.005a | 0.029b | |
| Garbage | 61.9 | 13.6 | 23.3 | χ2=13.18, p=.001 | 0.001c | 0.005d | |
| Burning | 61.9 | 54.5 | 93.3 | χ2=11.30, p=.004 | 0.005e | 0.001f | |
| Death/Decay | 52.4 | 59.1 | 76.7 | ns | |||
| Environmental | 57.1 | 22.7 | 33.3 | ns | |||
| Drugs | 33.3 | 18.2 | 13.3 | ns | |||
| Flammables | 4.8 | 18.2 | 40.0 | χ2=9.05, p=.011 | 0.004g | ||
| Floral | 4.8 | 0.0 | 6.7 | ns | |||
| Food | 0.0 | 9.1 | 0.0 | ns | |||
The entire odor category was rated "distressing" for an individual if he/she reported 1 or more odors within that category to elicit distress. ns = nonsignificant with a p-value >.05
a
= χ2 (1, N=43) = 7.98
b
= χ2 (1, N=51) = 4.76
c
= χ2 (1, N=43) = 10.71
d
= χ2 (1, N=51) = 7.71
e
= χ2 (1, N=51) = 7.74
f
= χ2 (1, N=52) = 10.76
g
= χ2 (1, N=51) = 8.08