Table 3.

Multivariate linear regression analysis of the independent predictors of SCA severity

Dependent Variable	Independent predictors	Standard βcoefficient	t-test	p-value
Sickle Cell Severity Score	Foetal haemoglobin	-0.17	-1.15	0.26
	Classmates’ domain of social support	-0.37	-2.41	0.02
	Parents’ domain of social support	-0.04	-0.24	0.81
	Teachers’ domain of social support	-0.003	-0.02	0.99
	Perceived stress Score	-0.10	-0.69	0.50
	Age	-0.01	-0.11	0.91
	Gender	-0.11	-0.86	0.40
	Social class	-0.004	-0.03	0.98
	Platelet count	0.12	0.97	0.34

Coefficient of multiple determination (R²) = 0.125