Dependent variable	Age	N	Mean	Mean difference	Std deviation	T	Df	P-value
Age of child (months) as an independent variable
Total direct cost	0 - 23	23	43.46	12.47	33.29	4.87	27	0.04
Total direct cost	24 - 59	6	30.98	12.47	20.19
Total indirect cost (DMW)	0 - 23	23	5.32	−0.71	6.16	−0.25	27	0.81
Total indirect cost (DMW)	24 - 59	6	6.03	−0.71	6.81
Sex of child as an independent variable
Total direct cost	Male	13	37.82	−5.55	20.81	−4.47	27	0.05
Total direct cost	Female	16	43.36	−5.55	38.08
Total indirect cost (DMW)	Male	13	5.38	−0.17	4.92	−0.08	27	0.94
Total indirect cost (DMW)	Female	16	5.55	−0.17	7.20	−0.08