The pool thread got me thinking. DD is a responsible yet anxious 8 year old now and I have let her go to the toilets with her 10yo cousin when somewhere like a bistro. I've also stood just at the very entrance to the ladies in the shopping centre while she goes in (eg. If DS is in the pram eating something and I don't want him near the germs). Other than that she has to go with an adult.
What age did you/do you think you will let your child go to the public toilet alone?
[Of course there will always be exception - there are some public toilets I won't go into on my own! But generally speaking.]