Table 1.

Characteristics of the study sample

	Intervention group N = 72	Controls N = 89
Demographic variables
Age [mean (S.D.)]	42.9 (8.6)	43.1 (8.4)
Sex (% female)	80.6	83.2
Eduvational level (%)
Unskilled or skilled workers	58.3	52.8
Middle or high educated workers	41.7	47.2
With partnership (%)	59.7	66.3
Danish nationality (%)	97.2	94.4
Intervention variables
Duration of treatment (mean, range days)	156 (4-347)	-
Number of consultations (mean, range)	5.3 (1-11)	-