Table 1 Demographic characteristics of patients aged 20 years or older with head and neck cancer (HNC) and propensity score-matched control patients.

From: Associations of head and neck cancers with herpes zoster in the preceding five years

Variable

Patients with HNC (n = 9191)

Propensity score-matched controls

(n = 36,764)

p value

Total no.

%

Total no.

%

Age, mean (SD)

60.4 (13.3)

60.5 (13.3)

0.493

Males

7359

80.1

29,436

80.1

> 0.999

Monthly Income

    

0.346

< NT$1 ~ 15,841

2398

26.1

9362

25.5

 

NT$15,841 ~ 25,000

3542

38.5

14,143

38.5

 

≥NT$25,001

3251

35.4

13,259

36.1

 

Geographic region

    

0.145

Northern

3841

41.8

15,445

42.0

 

Central

2372

25.8

9567

26.0

 

Southern

2668

29.0

10,681

29.1

 

Eastern

310

3.4

1071

2.9

 

Residential urbanization level

    

0.758

1 (most urbanized)

2308

25.1

9108

24.8

 

2

2500

27.2

10,152

27.6

 

3

1629

17.7

6585

17.9

 

4

1325

14.4

5355

14.6

 

5 (least urbanized)

1429

15.6

5564

15.1

 

Hypertension

4381

47.7

17,524

47.7

> 0.999

Hyperlipidemia

3555

38.7

14,220

38.7

> 0.999

Diabetes

2752

29.9

11,008

29.9

> 0.999

HPV infection

588

6.4

2352

6.4

> 0.999

Tobacco use disorder

947

10.3

3788

10.3

> 0.999

Alcohol abuse/dependence

357

3.9

1428

3.9

> 0.999