Dietary and socio-economic factors in relation to Helicobacter pylori re-infection

Table 3 Comparison of selected lifestyle factors in examined groups n (%)

Factors	Responses	Group I HP (+) n = 1111	Group II HP (-) n = 1751
Working	Yes	28 (25)	39 (23)
	No	83 (75)	134 (77)
Working overtime or on weekends	Yes	18 (78)	22 (60)
	Sometimes	1 (4)	3 (8)
	No	4 (18)	12 (32)
Additional work outside the main job	Yes	6 (8)	8 (7)
	No	65 (92)	110 (93)
Feeling tired	Very often	58 (53)	96 (55)
	Rather often	16 (14)	27 (16)
	Rather rarely	26 (24)	40 (23)
	Hardly ever	10 (9)	11 (6)
Self-assessed stress exposure	Very often	47 (43)	89 (51)
	Rather often	15 (13)	27 (16)
	Rather rarely	37 (34)	42 (24)
	Hardly ever	11 (10)	15 (9)
Smoking	Yes	36 (32)	54 (31)
	No	75 (68)	120 (69)

¹Number of persons changed between 23-111 persons in group I and 37-175 persons in group II, which results from the fact that some patients did not provide an answer to some questions.