Table 1.

Frequency counts of subjects at each level of TF Index score

Photographic TF Score	City (frequency counts)				Total
	Newcastle		Manchester
	n	%	n	%
0	409	45%	638	73%	1047
1	355	39%	209	24%	564
2	79	9%	16	2%	95
3	53	6%	4	1%	57
4	8	1%	0	0%	8
5	1	0.1%	2	0.2%	3
Total	905		869		1774