Table 1. Primary health care centre characteristics and inclusion of participants.

Primary health care centre			Primary health care patients
No.	Provision	Location1	Eligible	Declined	Ex-cluded2	Included in RCT	Included in study3
1	Public	Accessible small town	103	10	6	87	79
2	Public	Accessible rural area	9	0	1	8	8
3	Private	Large urban area	20	2	0	18	18
4	Public	Other urban area	57	3	3	51	42
5	Public	Accessible small town	30	0	1	29	23
6	Public	Other urban area	48	3	1	44	34
7	Private	Large urban area	36	2	0	34	28
		Total	303	20	12	271	232

¹ Classified according to the Urban Rural classification [46].

² Patients who gave their consent to participate, but was not included in the RCT due to logistic reasons.

³ Patients who completed the Work Stress Questionnaire.