Assuming that these leadership behaviors are appropriate at all levels of organizations, do you use these behaviors in your work with others? Subordinates? If so, how are they effective in producing results? If not, could they be added to your personal repertoire of leadership behaviors?

Considering my Boss presently their supportive attitude contribute more efficiently to our work environment and output. Spending some time with to know us better , find out our interest, recreational activities, and most especially family is a great thing that build more commitment.

When you know that someone cares about your feelings and, always show concern about your personal issue and ready to assist then, you'll be rest assure and concentrate on your work. 
When mistakes occur, they already have words that will encourage you that you can do better and will provide factual information that will help, or refer the person to a professional who will assists.
When necessary, relevant training will be set up to retrain the personnel. I am not in leadership role now but our text make more meaning of what I see everyday at work.

Now, I understand more benefits of supportive leadership because I've benefited much from it and help my attitude to work and work environment. Even when something go wrong you are not afraid to report, because your report will give you a better understanding of the incident rather than punishment.

The fact that supporting behavior increase subordinate self-confidence and reduce the amount of stress in the job cannot be undermine. When you're happy with what you are doing then you will not feel stressed.

Reference: Burke, Wier, & duncan, 1976; Kaplan & Cowen, 1981. Yukl.