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Table 1 Between-group comparison of demographic characteristics of the study population: univariate analysis

From: Relationship between smoking, narcissism, and impulsiveness among young women

Variable

Smoking

(n = 39)

Non-Smoking

(n = 81)

Statistics

Median (IQR)

Mean (SD)

Median (IQR)

Mean (SD)

Z

p Value

Education

12 (12–16)

13.8 (2.3)

16 (12–18)

15 (2.8)

3.56

0.0004**

Age

28 (22–33)

27.4 (5.6)

30 (26–33)

28.9 (5.7)

1.36

0.1716

  1. Data are presented as median with interquartile range (IQR), mean with standard deviation (SD), Wilcoxon test Z statistic and p-value. *p < 0.05; **p < 0.01;