Table 4.

Adherence to TD prevention advice

	TD group n = positive/information available (% of these)	Asymptomatic group n = positive/information available (% of these)
Ignored any “TD prevention advice”	28/38 (69)	4/6 (67)
Drank only bottled water	38/39 (97)	6/6 (100)
Ate cold salads	24/38 (63)	4/6 (67)
Ate uncooked meat or fish	3/15 (20)	1/2 (50)
Consumed alcohol 3 or more units/day	19/33 (58)	4/6 (67)
Ate without utensils (bare fingers)	10/39 (26)	2/6 (33)
Washed hands only seldom	3/39 (8)	1/6 (17)

The figures are given separately for those with and without TD. Differences between the two groups were statistically insignificant when analyzed with Chi-square tests.