Table 1 Baseline characteristics of the study population at inclusion in HUNT2, n = 64,040.

From: Explaining sex differences in risk of bloodstream infections using mediation analysis in the population-based HUNT study in Norway

 

Men

Women

Total population n (%)

29,962 (46.8)

34,087 (53.2)

First-time BSI n (%)1

943 (51.3)

897 (48.7)

BSI mortality n (%)2

224 (56.6)

172 (43.4)

Age (mean, IQR)

48.6 (36.5–62.9)

48.7 (36.2–64.2)

Smoking

Current (%)

8334 (27.8)

9726 (28.5)

Prior (%)

9422 (31.4)

6516 (19.1)

Never (%)

10,668 (35.6)

15,230 (44.7)

Alcohol use

 < 1 unit/2 weeks (%)

8448 (28.2)

16,069 (47.3)

1–7 units/2 weeks (%)

14,258 (47.6)

14,484 (42.6)

8–14 units/2 weeks (%)

4602 (15.4)

1861 (5.5)

 ≥ 15 units/2 weeks (%)

1643 (5.5)

272 (0.8)

Education

 < 10 years (%)

20,625 (68.9)

22,259 (65.3)

10–12 years (%)

2302 (7.7)

3436 (10.1)

 > 12 years (%)

5650 (18.9)

6412 (18.8)

BMI (kg/m2)

 < 18.5 (%)

118 (3.9)

349 (1.0)

18.5–24.9 (%)

10,498 (35.0)

14,736 (43.2)

25–29.9 (%)

14,757 (49.3)

12,345 (36.2)

30–34.9 (%)

3674 (12.3)

4640 (13.6)

35–39.9 (%)

496 (1.7)

1236 (3.6)

 ≥ 40 (%)

74 (0.3)

344 (1.0)

Systolic blood pressure (mmHg) median (IQR)

137 (127–150)

131 (118–149)

Non-HDL cholesterol (mmol/L) median (IQR)

4.5 (3.7–5.3)

4.3 (3.5–5.3)

Comorbidities

Cardiovascular disease3 (%)

2918 (9.7)

2014 (5.9)

Chronic kidney disease (%)

979 (3.3)

1802 (5.3)

Diabetes (%)

895 (3.1)

970 (2.9)

Cancer history (%)

878 (2.8)

1413 (4.1)

Chronic lung disease4 (%)

1183 (4.0)

1011 (3.0)

  1. BSI bloodstream infection, n numbers, IQR interquartile range, BMI body mass index, HDL high-density lipoprotein.
  2. 1Percentage of total first-time BSI in both sexes.
  3. 2BSI mortality was defined as all-cause mortality within 30 days after a BSI. Percentage of BSI mortality on both sexes.
  4. 3History of myocardial infarction, angina pectoris and/or stroke.
  5. 4History of chronic obstructive pulmonary disease or asthma.
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