Table 5 Univariate and multivariate regression analysis for overall quality of reporting score vs exploratory variables (N = 35)

Exploratory Variables

Mean Difference

SE

t

p-value

95 % CI

Year of Publication

1.35

0.27

4.99

0.000 ^a

0.80, 1.90

Journal Type

5.81

1.77

3.28

0.002 ^a

2.21, 9.42

Sample Size Group

5.05

1.84

2.75

0.010 ^a

1.31, 8.80

Industry Funding

2.35

2.02

1.16

0.253

−1.76, 6.46

Positive Finding

3.30

2.18

1.51

0.140

−1.14, 7.74

Year of Publication (1)

1.26

0.24

5.17

0.000 ^a

0.76, 1.76

Sample Size Group (1)

4.19

1.39

3.01

0.005 ^a

1.36, 7.02

Year of Publication Grp (2)

8.16

1.73

4.73

0.000 ^a

4.64, 11.67

Sample Size Group (2)

4.56

1.45

3.15

0.004 ^a

1.61, 7.51