Table 6.

T-test comparisons of EPDS, GSDS and sleepiness score for exclusively breastfeeding and exclusively formula feeding women.

		Exclusively breastfeeding women			Exclusively formula feeding women
		n	Mean	S.D.	n	Mean	S.D.	t value	d.f.	p
6 weeks	EPDS	19	4.84	3.934	29	4.48	4.050	0.306	46	0.762
	GSDS	19	45.32	21.226	27	40.11	18.375	0.997	44	0.380
	Sleepiness	19	13.32	4.282	27	5.413	1.042	−0.409	44	0.685
12 weeks	EPDS	17	4.00	4.198	27	3.59	3.598	0.343	42	0.733
	GSDS	17	37.06	19.763	27	31.85	17.611	0.911	42	0.367
	Sleepiness	17	10.94	4.548	29	11.55	5.234	−0.400	44	0.680
18 weeks	EPDS	16	4.75	5.791	23	4.09	3.953	0.426	37	0.673
	GSDS	16	39.69	22.434	23	32.35	18.605	1.114	37	0.273
	Sleepiness	15	10.93	5.216	25	10.04	4.756	0.555	38	0.582