Table 3

Severity of cold induced finger blanching

		Men				Women
		n	%^3-150			n	%^3-150
Attack frequency (/year):
⩽9	465	63.5		554	69.5
10–49	173	23.6		167	21.0
⩾50	57	7.8		52	6.5
Missing	37	5.1		24	3.0
Digits affected (n):
⩽2	245	33.5		224	28.1
3–7	247	33.7		311	39.0
⩾8	240	32.8		262	32.9
Phalanges affected (n):
⩽3	183	25.0		172	21.6
4–14	339	46.3		394	49.4
⩾15	210	28.7		231	29.0
Attacks ever disabling^3-151:
No	432	59.0		497	62.4
Yes	287	39.2		291	36.5
Missing	13	1.8		9	1.1
Consulted a doctor about symptoms:
No	575	78.6		613	76.9
Yes	138	18.9		167	21.0
Missing	19	2.6		17	2.1

↵3-150 Of those with cold induced finger blanching.
↵3-151 Attacks so bad that the subject had been forced on occasion to discontinue what he or she had been doing at the time.