Table 2

Eleven year cumulated incidence of peptic ulcer disease (PUD) in 1994 by categories of baseline exposures: medication at study entry and five years preceding follow up. Unadjusted and sex and age adjusted odds ratios (OR, 95% confidence intervals (CI))

Baseline exposure
(reference category)
PUD incidenceUnadjustedSex and age adjusted
%nOdds ratio95% CIOdds ratio95% CI
Medication: previous or current daily, weekly, or monthly use. Blank cells indicate missing data or that numbers do not allow inferences.
Uspecified gastrointestinal drugs in 1982
    (Never-infrequent use)2.420711.01.0
    Previous use2.41251.00.3;3.21.20.4;4.0
    Current use7.32323.21.8;5.63.21.7;5.5
Antirheumatic drug use at study entry in 1982
    (Never-infrequent use)2.921561.01.0
    Previous use2.61900.90.4;2.30.90.3;2.2
    Current use2.4820.80.2;3.50.70.2;3.0
Antibiotic use at study entry in 1982
    (Never-infrequent use)2.824021.01.0
    Previous use0.08
    Current use11.1184.10.9;18.14.21.1;16.9
Major tranquilliser use at study entry in 1982
    (Never-infrequent use)2.423811.01.0
    Previous use0.01
    Current use2.0372.30.5;9.92.20.5;9.6
Minor tranquilliser use at study entry in 1982
    (Never-infrequent use)2.123731.01.0
    Previous use3.6281.70.2;12.91.80.2;13.4
    Current use8.51184.32.1;8.74.42.1;9.2
Antacid use in the past 5 years
    (Never-infrequent use)2.323671.01.0
    Previous use9.5214.41.0;19.54.10.9;18.2
    Current use6.5312.90.7;12.52.80.7;12.3
H2 receptor antagonist use in the past 5 years
    (Never-infrequent use)1.723711.01.0
    Previous use34.62630.112.7;71.530.512.6;74.0
    Current use40.92239.315.9;97.238.615.4;97.2
Proton pump inhibitor use in the past 5 years
    (Never-infrequent use)2.223971.01.0
    Previous use33.3922.15.4;90.920.14.8;83.9
    Current use30.01019.04.8;75.416.64.1;67.0
NSAID use in the past 5 years
    (Never-infrequent use)2.522561.01.0
    Previous use0.033
    Current use2.31300.90.3;3.00.90.3;3.0
ASA use in the past 5 years
    (Never-infrequent use)2.423051.01.0
    Previous use0.01
    Current use2.71131.10.3;3.60.90.3;3.1
Paracetamol use in the past 5 years
    (Never-infrequent use)2.321591.01.0
    Previous use0.09
    Current use4.02511.80.9;3.61.80.9;3.7
Antibiotic use in the past 5 years
    (Never-infrequent use)2.423901.01.0
    Previous use0.01
    Current use7.4273.30.8;14.23.20.7;13.7