Table 2.

Hierarchical linear regression analysis of predictors of the impact of critical illness on families

Predictor Variables	Δ R2	β at entry	β at final
Step 1 (demographics)	.09
Sexa		−.02	.06
Race/ethnicityb		−.18	−.06
Age at Injury (years)		.09	−.03
Insurancec		−.16	−.11
Step 2 (injury characteristics)	.10
Glasgow Coma Scale		.02	−.06
Family Involvementd		−.35	−.26
Family Deathe		.27	.29
Step 3 (parent characteristics)
Parent PTSSf			−.57***
R2 for total model	.41
F for total model	2.92*

Note: The PedsQL-Family Impact Module total score was the outcome variable

^acoded as 0=male, 1=female

^bcoded as 0=not a racial/ethnic minority, 1=racial/ethnic minority

^ccoded as 0=private, 1=public

^dcoded as 0=indirect or no family involvement, 1=direct family involvement

^ecoded as 0=no, 1=yes

^fPrimary Care PTSD Screener for DSM-5 total score.

^*p ≤ .05

^**p ≤ .01

^***p ≤ .001.