Table 1. Demographic data.

	Female		Male
	Fluid testing	Crystallised testing	Fluid testing	Crystallised testing
N	42	49	25	21
% total N	30.7	35.8	18.2	15.3
Age	24.2±3.3	24.0±2.9	25.8±3.6	25.0±3.3
Years at school	12.8±1.0	12.7±0.9	12.9±0.9	12.9±0.4

Values indicate the mean ± standard deviation. No significant differences between the test groups exist.