Table I.

Demographic characteristics of participants.

Participant’s code	Age	Gender	Period of PhD training	Relationship status
No. 1	26	Male	1st Year PhD Student	Single
No. 2	27	Female	1st Year PhD Student	Single
No. 3	28	Male	2nd Year PhD Student	Married
No. 4	32	Female	2nd Year PhD Student	Single
No. 5	29	Female	3rd Year PhD Student	Single
No. 6	42	Male	3rd Year PhD Student	Married
No. 7	48	Male	4th Year PhD Student	Married
No. 8	36	Female	4th Year PhD Student	Married
No. 9	40	Female	5th Year PhD Student	Married
No. 10	39	Male	5th Year PhD Student	Married