Table 1.

Socio-demographic characteristics of participants

Gender	N	%
Male Female	42 251	14.3 85.7
Marital status
Single Married Divorced Widow	66 195 36 3	22.0 65.0 12.0 1.0
Offspring
Yes No	208 92	69.3 30.7
Job
Nurses HSC workers Obstetrician	247 38 15	82.3 12.7 5.0
Night shifts
Yes No	149 150	49.8 50.2
Availability
Yes No	154 144	51.7 48.3