Table 1.

The general characteristics of the group of Polish female adolescents participating in the study.

Variable	Subgroups	n	%
Age (years)	14	31	3.6
	15	174	20.5
	16	227	26.8
	17	168	19.8
	18	156	18.4
	19	76	9.0
	20	16	1.9
Place of residence	Town with <20,000 residents or village	161	19.0
	City with 20,000–100,000 residents	510	60.1
	City with >100,000 residents	177	20.9