From: Comparison of generalized estimating equations and quadratic inference functions using data from the National Longitudinal Survey of Children and Youth (NLSCY) database
With quadratic Term
Without Quadratic Term
AIC (the smaller the better)
31.74
40.82
BIC (the smaller the better)
81.33
85.45
Q (p-value)
11.74 (0.3027)
22.82 (0.0066)