From: The need for race-specific reference equations for pulmonary diffusing capacity for nitric oxide
N = 118 | Unstandardized coefficients | Standardized coefficients | 95% Confidence interval for beta | Collinearity statistics | ||||
---|---|---|---|---|---|---|---|---|
Beta | SE | Beta | t-statistic | Lower bound | Upper bound | Tolerance | VIF | |
Constant | 2.02 | 7.93 |  | 0.26 | − 13.7 | 17.7 |  |  |
Sex (0 = females; 1 = males) | 8.40 | 0.96 | 0.60 | 8.77* | 6.50 | 10.29 | 0.52 | 1.91 |
Race (0 = black; 1 = white | 3.87 | 0.71 | 0.28 | 5.48* | 2.5 | 5.3 | 0.95 | 1.05 |
Age2 | − 0.002 | 0.00 | − 0.23 | − 4.44* | − 0.003 | − 0.001 | 0.93 | 1.07 |
Height (cm) | 0.14 | 0.049 | 0.19 | 2.78* | 0.4 | 0.2 | 0.52 | 1.92 |
 | Sum of squares | Df | Mean square | F | Sig. |  |  |  |
---|---|---|---|---|---|---|---|---|
ANOVA results | Â | Â | Â | Â | Â | Â | Â | Â |
Regression | 4209 | 4 | 1052 | 75 | 0.000 | Â | Â | Â |
Residual | 1587 | 113 | 14.05 | Â | Â | Â | Â | Â |
Total | 5796 | 117 | Â | Â | Â | Â | Â | Â |