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Table 7 Number of repeat episodes of deliberate self poisoning in men.

From: Parametric methods outperformed non-parametric methods in comparisons of discrete numerical variables

 

Number of repetitions

 
 

0

1

2

3

4

mean (std)

Control group (n = 102)

86

13

2

0

1

0.21 (0.57)

Postcard group (n = 145)

125

13

10

2

0

0.20 (0.56)

  1. Source: Carter et al. [17], Table 3.
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BMC Medical Research Methodology

ISSN: 1471-2288

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