Table 2

 Characteristics of the study population by seropositivity for H pylori and hepatitis A virus

H pyloriHepatitis A virus
Seropositive (n=446)Seronegative (n=259)Seropositive (n=407)Seronegative (n=59)
Mean (SD) age (years)52 (17)40 (21)52 (17)20 (17)
Sex
 Male157 (35)80 (31)141 (86)22 (14)
 Female289 (65)179 (69)266 (88)37 (12)
Mean (SD) weight (kg)67 (12)60 (18)67 (12)45 (22)
Mean (SD) height (cm)162 (9)156 (21)162 (9)141 (31)
Mean (SD) BMI 25.27 (4)23.7 (5)25.5 (4)20.6 (4)
History of:
 Hypertension156 (35)68 (26)141 (34)1 (2)
 Diabetes62 (14)33 (13)60 (15)3 (5)
 Cardiovascular disease56 (12)20 (8)50 (12)1 (2)
 Dyspepsia256 (57)94 (36)215 (53)13 (22)
 Peptic ulcer79 (18)18 (7)65 (16)0
Smokers69 (15)36 (14)66 (16)3 (5)
Alcohol drinkers58 (13)25 (9.6)56 (14)1 (2)
Mean (SD) systolic blood pressure (mm Hg)141 (22)135 (23)141 (22)121 (11)
Mean (SD) diastolic blood pressure (mm Hg)84 (8)82 (8)84 (8)74 (6)
Mean (SD) cholesterol (mg/dl)198 (39)* 189 (43)** 197 (40) 162 (29)††
Mean (SD) triglycerides (mg/dl)134 (81)* 118 (68)** 133 (78) 83 (26)††
Mean (SD) glucose (mg/dl)105 (35)* 99 (31)** 103 (34) 95 (29)††
Occupation
 Manual330 (74)142 (55)301 (74)16 (27)
 Non-manual116 (26)117 (45)106 (26)43 (73)
Social class grouping
 Low237 (53)84 (32)208 (51)6 (10)
 Middle209 (47)175 (68)199 (49)53 (90)
Years of school education
 0183 (41)85 (33)156 (38)21 (36)
 1–5128 (29)57 (22)118 (29)9 (15)
 6–863 (14)50 (19)54 (13)16 (27)
 9–1462 (14)60 (23)68 (17)12 (20)
 > 1410 (2)7 (3)11 (3)1 (20
Seropositive for:
H pylori 446 (100)0275 (67)16 (27)
 Hepatitis A virus275 (94) 132 (75)‡‡ 407 (100)0
  • In subsets of *355, **173, 326, ††23, 291, and ‡‡175 subjects.

  • Values are numbers (%) or mean (SD) as indicated.