Table 2.

Logistic regression analysis for blood hypertension in 7152 study participants.

Variables	Unadjusted OR (95% CI)	Adjusted OR (95% CI)
Sex
Male	Ref.	Ref.
Female	1.05 (0.95–1.17)	1.13 (1.00–1.28) *
Age
30–49 years	Ref.	Ref.
50–59 years	4.99 (4.11–6.07) **	4.36 (3.58–5.31) **
60–69 years	10.70 (8.89–12.86) **	8.54 (7.07–10.31) **
70–79 years	16.65 (13.70–20.24) **	12.98 (10.62–15.86) **
≥80 years	16.89 (12.85–22.20) **	13.48 (10.17–17.87) **
Body mass index
<25 kg/m²	Ref.	Ref.
25–29 kg/m²	1.72 (1.54–1.93) **	1.33 (1.17–1.52) **
≥30 kg/m²	2.20 (1.89–2.57) **	1.92 (1.61–2.28) **
Smoke
Never smoker	Ref.	Ref.
Former smoker	0.92 (0.83–1.03)	0.98 (0.75–1.28)
Current smoker	1.25 (1.02–1.59) *	1.13 (0.98–1.94)
Dyslipidemia
No	Ref.	Ref.
Yes	3.94 (3.39–4.57) **	2.38 (2.02–2.81) **
Diabetes
No	Ref.	Ref.
Yes	4.76 (4.02–5.64) **	3.94 (2.17–4.36) **
History of H. pylori infection
No	Ref.	Ref.
Yes	1.19 (1.07–1.32) *	1.13 (1.01–1.26) *
H. pylori status
No infection	Ref.	Ref.
Long-lasting infection §	1.31 (1.16–1.46) **	1.17 (1.02–1.35) *
Current infection ‡	0.93 (0.84–1.05)	0.99 (0.86–1.14)

* p < 0.05; ** p < 0.01, ^§ Presence of H. pylori infection associated with atrophy/metaplasia/dysplasia was interpreted as a long-lasting infection. ^‡ Presence of chronic-active gastritis in addition to the bacteria on gastric specimens.