Child Care Exhaustion (Six Items)		No Support from Partners (Four Items)		Worry about Child Development (Six Items)
	Two Months	Six Months	Two Months	Six Months	Two Months	Six Months
Cronbach’s alpha Child Care Exhaustion	0.836	0.853	0.763	0.828	0.863	0.880
I do not have enough time to do what I want to do because of infant care.	0.689	0.691	0.106	0.180	0.088	0.174
I feel so frustrated because I don’t have a free time due to infant care.	0.689	0.637	0.119	0.163	0.296	0.352
I feel so exhausted for taking care of my child.	0.772	0.789	0.070	0.168	0.069	0.048
I do not have enough time to relief from child care stress.	0.704	0.737	0.300	0.317	0.104	0.120
I have to wake up many times at night for my child.	0.642	0.718	0.044	−0.029	0.280	0.177
I have not slept sufficiently these days.	0.776	0.790	0.015	0.035	0.060	0.048
No Support from Partners My husband does not understand my suffering from taking care of my child.	0.143	0.191	0.851	0.830	0.071	0.174
My husband mainly thinks his life first more than his child.	0.108	0.152	0.852	0.847	0.045	0.063
My husband is not supportive for raising child.	0.071	0.103	0.878	0.889	0.078	0.105
The support from my husband is not always helpful.	0.123	0.124	0.725	0.753	0.188	0.233
Worry about Child Development I worry about intelligence of my child.	0.050	0.043	0.000	0.078	0.694	0.762
I do not know how I communicate with my baby.	0.266	0.262	0.061	0.076	0.576	0.600
I worry whether my child develops delayed compared with other children.	0.061	0.048	0.230	0.162	0.644	0.705
I feel anxious when I think of child raising.	0.435	0.339	0.041	0.129	0.547	0.625
I worry about characteristics of my child.	0.167	0.177	0.061	0.129	0.735	0.783
I worry about the physical appearance of my child.	0.069	0.051	0.080	0.094	0.658	0.754