Security staff at Southampton General Hospital say they will go ahead with a second strike on Good Friday.
The Mitie Security employees held their first day of action over safety concerns and pay earlier this month.
They say they are regularly being attacked by members of the public, most either under the influence of drink or drugs or with mental health problems.
The Unite union says that talks with the company had made progress but it was not sufficient for the strike to be called off. Mitie says it has offered a further pay increase and four weeks' sick pay.
In a statement, Mitie said:
“Ensuring the safety of patients and members of the public visiting the hospital remains paramount. During the strike action, we have arranged for a fully trained team of officers with relevant experience to provide cover onsite to maintain a usual level of service.”
The company also stated:
- The number of incidents has remained static over the past three years, as has the number of staff injuries.
- None of our staff have been directly targeted and the number of incidents occurring at Southampton is relatively low.