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Table 3 Comparison of demographic characteristics between the DA9301 and placebo groups

From: The effect of Vaccinium uliginosum extract on tablet computer-induced asthenopia: randomized placebo-controlled study

 

Treatment Group

p-value

DA9301

Placebo

n = 26

n = 24

Sex, n (%)

n

%

n

%

 

 Male

12

63.16

7

36.84

0.216*

 Female

14

45.16

17

54.84

Smoking, n (%)

n

%

n

%

 

 no

23 (5)

46.15

23 (2)

53.85

0.312***

 yes

3

75.00

1

25.00

 in the past

5

71.43

2

28.57

Drinking, n (%)

n

%

n

%

 

 no

8

53.33

7

46.67

0.902*

 yes

18

51.43

17

48.57

Age (yr)

 Mean (SD)

39.85 (11.35)

38.04 (9.92)

0.277**

 Median (Min, Max)

38.00 (22.00,64.00)

39.00 (22.00,59.00)

Height (cm)

 Mean (SD)

166.08 (9.32)

164.02 (9.04)

0.216**

 Median (Min, Max)

165.65 (150.10,192.00)

161.30 (150.10,179.40)

Weight (kg)

 Mean (SD)

66.85 (12.00)

61.05 (12.56)

0.015****

 Median (Min, Max)

65.95 (47.70,93.40)

56.25 (45.50,101.30)

  1. *:p-value obtained from Chi-square test. If p-value < 0.05, then significant
  2. **:p-value obtained from Student’s t-test. If p-value < 0.05, then significant
  3. ***p-value obtained from Fisher’s exact test. If p-value < 0.05, then significant
  4. ****:p-value obtained from Wilcoxon’s rank sum test. If p-value < 0.05, then significant
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BMC Complementary Medicine and Therapies

ISSN: 2662-7671

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