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Table 1 Sample characteristics, total and by status of flu vaccination N = 5037

From: Psychological determinants of influenza vaccination

Variables

Total

N = 5037 (100%)

Non-user

n = 2357 (46.8%)

Regular user

n = 2680 (53.2%)

p-value1

Missings (%)

 

N/Mean

%/SD

N/Mean

%/SD

N/Mean

%/SD

  

Gender: Female

2647

47.5%

1120

47.5%

1270

47.4%

0.927

0.0

Age in years

71.2

(7.2)

69.7

(6.9)

72.6

(7.2)

0.000

0.0

Marital status: Others (married, living separated from spouse; divorced; widowed; single) than ‘married and living together with spouse’

1478

29.4%

709

30.2%

769

28.7%

0.262

0.2

Monthly net equivalence income in Euro

1870.3

(1401.6)

2011.2

(1573.3)

1747.7

(1220.0)

0.000

5.5

Region: East Germany

1711

34.0%

525

22.3%

1186

44.3%

0.000

0.0

Body-Mass-Index (BMI)

27.0

(4.4)

26.7

(4.2)

27.4

(4.5)

0.000

1.3

Smoking status: Daily

445

8.9%

257

11.0%

188

7.1%

0.000

1.1

- Yes, sometimes

144

2.9%

81

3.5%

63

2.4%

  

- Not anymore

2010

40.3%

933

39.9%

1077

40.7%

  

- Never been smoker

2385

47.9%

1065

45.6%

1320

49.9%

  

Consumption of alcohol: Daily

690

13.8%

372

15.8%

318

11.9%

0.000

0.4

- Several times a week

1165

23.2%

573

24.4%

592

22.2%

  

- Once a week

732

14.6%

347

14.8%

385

14.4%

  

- One to three times a month

555

11.1%

265

11.3%

290

10.9%

  

- Less frequently

1242

24.8%

522

22.2%

720

27.0%

  

- Never

635

12.7%

272

11.6%

363

13.6%

  

Number of physical illnesses

3.0

(1.9)

2.6

(1.8)

3.3

(1.9)

0.000

1.7

Life satisfaction (Pavot/Diener 1993) [33]

3.86

(0.70)

3.87

(0.70)

3.85

(0.70)

0.440

1.2

Positive affect (Watson, Clark & Tellegen 1988) [37]

3.53

(0.52)

3.56

(0.53)

3.50

(0.52)

0.000

1.3

Negative affect (Watson, Clark & Tellegen 1988) [37]

2.03

(0.50)

2.02

(0.49)

2.04

(0.50)

0.096

1.3

Optimism (Brandstädter/Wentura 1994) [28]

2.94

(0.55)

2.99

(0.55)

2.90

(0.55)

0.000

0.5

Self-efficacy (Schwarzer/Jerusalem 1995) [30]

3.07

(0.44)

3.10

(0.44)

3.04

(0.44)

0.000

0.6

Self-esteem (Rosenberg 1965) [32]

3.40

(0.39)

3.42

(0.38)

3.37

(0.39)

0.000

0.2

Self-regulation (Freund/Baltes 2002) [36]

3.00

(0.52)

2.99

(0.52)

3.02

(0.51)

0.042

2.4

Perceived stress (Cohen et al. 1983) [31]

2.33

(0.64)

2.27

(0.65)

2.37

(0.63)

0.000

1.9

  1. 1 p-value resulting from Chi2 or t-test, respectively; The number of physical illnesses ranged from 0 to 11; Life satisfaction was quantified using the Satisfaction with Life Scale (ranging from 1 to 5, with higher values corresponding to more satisfaction); Positive and negative affect was quantified using the Positive and Negative Affect Schedule (both ranging from 1 to 5, with higher values corresponding to higher positive and negative affect, respectively); Optimism was quantified using a scale developed by Brandtstädter and Wentura (ranging from 1 to 4, with higher values corresponding to higher optimism); Self-efficacy was quantified using a scale developed by Schwarzer and Jerusalem (ranging from 1 to 4, with higher values corresponding to higher self-efficacy); Self-esteem was quantified using the Rosenberg scale (ranging from 1 to 4, with higher values corresponding to higher self-esteem); Self-regulation was quantified using a scale developed by Ziegelmann and Lippke (ranging from 1 to 4, with higher values corresponding to higher self-regulation); Perceived stress was using a scale developed by Cohen and colleagues (ranging from 1 to 5, with higher values corresponding to higher perceived stress)
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BMC Geriatrics

ISSN: 1471-2318

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