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Table 2 Comparison of demographics and general characteristics between the smoking and nonsmoking groups

From: The negative impact of chronic tobacco smoking on adult neuropsychological function: a cross-sectional study

Variable

Smokers

(n = 73)

Non-smokers

(n = 84)

P < .05

Age (years) - (mean, SD)

52.1 (7.2)

51.7 (8.1)

.424

Sex (M/F) %

61/12

69/15

.071

Education (years) - (mean, SD)

13.9 (3.5)

14.1 (3.8)

.732

Household income - [n, %]

 Low

11 [15.1]

14 [16.7]

.533

 Moderate

53 [72.6]

59 [70.2]

 

 High

9 [12.3]

11 [13.1]

 

Body Mass Index - (mean, SD)

26.9 (3.6)

27.1 (4.8)

.714

Daily portions of fruits and vegetables - (mean, SD)

3.1 (1.2)

3.2 (1.4)

.312

Physically active - [n, %]

 Low

26 [35.6]

25 [29.8]

.092

 Moderate

39 [53.4]

47 [55.9]

 

 High

8 [11.0]

12 [14.3]

 

Hours of sleep/night - (mean, SD)

7.9 (2.5)

8.1 (2.7)

.671

Diabetes Mellitus - [n, %]

16 [21.9]

15 [17.8]

.794

Coronary Heart Disease - [n, %]

7 [9.5]

3 [3.6]

.061

Hypertension - [n, %]

10 [13.7]

7 [8.3]

.102

Smoking profile

 Age onset of regular smoking

17.7 (4.3)

 Accumulation (total lifetime years of smoking)

33.7 (11.4)

 Cigarettes/day

28.4 (5.5)

 Pack-yearsa

46.8 (14.3)

  1. a Pack-years is calculated as the packs of cigarettes smoked per day, multiplied by the duration of tobacco use in years